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C H A P T E R

Configuring Your Cisco AS5800 Universal Access Server 3-1

3

Configuring Your Cisco AS5800Universal Access Server

This chapter will familiarize you with basic system commands to help you configure your

Cisco AS5800 Universal Access Server for basic functionality. It does not cover everyfeature, but does include the following:

LAN and WAN configuration to include ISDN, Primary Rate Interface (PRI), andChannelized T1 and E1 ingress lines

Modem configuration to include modem pooling

Features supported to include multiple switch types, Non-Facility Associated Signaling(NFAS), virtual private dial-up networking (VPDN), modem pooling, and Multichassis

Multilink Point-to-Point Protocol (MMP) to name a few

The configuration information in this chapter assumes you understand group asynchronous

interfaces, basic asynchronous modem configuration, and autoselect. Users dialing in must

be running Point-to-Point Protocol (PPP) or Serial Line Internet Protocol (SLIP) to dial in

and access IP resources.

For each of the following configuration examples, dial-in users are assumed to belong to

one subnet. This enables all remote clients to appear as belonging to one Ethernet segment

(from the Cisco AS5800 Universal Access Server perspective).

New commands supporting your access server are included in the Cisco AS5800 Universal

Access Server Feature Module that shipped with your system. For complete information

regarding Cisco IOS software, refer to the section If You Need More Information, in the

chapter About This Guide.

Before you power on your access server and begin using the setup script, verify you have

completed the steps noted in the section Using the Setup Script in the chapter Starting

Up Your Cisco AS5800 Universal Access Server for the First Time.

Continue to the section Configuring the Host Name and Password.

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3-2 Cisco AS5800 Universal Access Server Software Installation and Configuration Guide

Configuring the Host Name and Password

Configuring the Host Name and PasswordOne of the first configuration tasks you should do is to configure the host name and set an

encrypted password. Configuring a host name allows you to distinguish multiple access

servers from each other. Setting an encrypted password allows you to prevent unauthorized

configuration changes. Configuring the host name and password is part of the initial setup

script.

Table 3-1 lists the commands to help you configure your host name and passwords.

Table 3-1 Configuring the Host Name and Passwords

Step Command Description

1 Router> enable

Password: password

Router#

Enter the enable command.

Enter your password.

You are in privileged EXEC mode when the

prompt changes to Router#.

2 Router# configure terminal

Enter configuration commands, one per

line. End with Ctrl-Z.

Router(config)#

Enter global configuration mode by typing the

configure command. The example is using the

terminal configuration option.

You are in global configuration mode when the

prompt changes to Router(config)#.

3 Router(config)# hostname AS5800-1

AS5800-1(config)#

Changes the host name to the name designated by

your site. The example shows the new host name

to be AS5800-1. Substitute your own host name

for the one shown.

4 AS5800-1(config)# line shelf/slot/port

AS5800-1(config-line)# exec-timeout 0 0

Enter line configuration mode to configure the

console port.

You are in line configuration mode when the

prompt changes to AS5800-1(config-line)#.

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Configuring the Host Name and Password

After you have configured the host name and passwords for your access server, verify

accuracy using the show running-config or show startup-config commands. The software

configuration displays as follows:

AS5800-1(config)# show running-config

Using 1899 out of 126968 bytes

!

Version 11.3

.

.

.

!

hostname AS5800-1

!

enable secret 5 $1$60L4$X2JYOwoDc0.kqa1lo0/w8/

.

.

.

Exit global configuration mode and attempt to re-enter it using the new enable secret

password:

AS5800-1# exit

.

.

.

AS5800-1 con0 is now available

Press RETURN to get started.

AS5800-1> enable

Password: password

AS5800-1#

5 AS5800-1(config-line)# exit

AS5800-1(config)#

[or]

AS5800-1(config-line)# Ctrl-Z

AS5800-1#

Type the exit command to exit out of line

configuration mode

[or]

Press the return key to verify your command

registers, then type Ctrl-Z to return to privileged

EXEC mode.

6 AS5800-1# copy running-config

startup-config

Save your changes when ready.


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Configuring Dial Shelf Interconnect Protocol (DSIP)

Tips

Passwords are case sensitive.

After you have configured the 10BaseT Ethernet interface for your access server, verify

accuracy by using the show arp command. The configuration displays as follows:

AS5800-1# show arp

Protocol Address Age (min) Hardware Addr Type Interface

Internet 193.178.30.4 - 0800.207e.bead ARPA Ethernet 0

AS5800-1#

Configuring Dial Shelf Interconnect Protocol (DSIP)Your Cisco AS5800 Universal Access Server uses a protocol used by the Cisco 7206 router

shelf to communicate back and forth with the Cisco 5814 dial shelf controller card(s) and

feature cards. Although dial shelf interconnect (DSI) configuration is transparent to the

user, there are several show commands to help you view your setup, and debug commands

to help you troubleshoot your system. Examples of commonly used show commands are

included for your convenience. For additional information regarding DSI show and debug

commands, refer to the Cisco AS5800 Universal Access Server Feature Module.

AS5800-1# show dsip

DSIP transport statistics:

IPC : input msgs=245579, bytes=34831828; output msgs=245577,

bytes=14296786

total consumed ipc msgs=3038; total freed ipc msgs = 3038transmit contexts in use = 7, free = 249, zombie = 0, invalid = 0

ipc getmsg failures = 0, ipc timeouts=0

core getbuffer failures=0, api getbuffer failures=0

dsip test msgs rcvd = 0, sent = 0

CNTL : input msgs=55983, bytes=4395150; output msgs=21392, bytes=7195200

getbuffer failures=0

DATA : input msgs=10544, bytes=338343; output msgs=10616, bytes=86077

DSIP Private Buffer Pool Hits = 0

DSIP registered addresses:

Shelf2 : Master: 00e0.a38a.2c54, Status=local

Shelf1 : Slot0 : 0006.d5fe.4c00, Status=remote


Shelf1 : Slot12: 0006.d5fe.4c60, Status=remote

7 Dial shelf manager

8 DSIP Test

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DSIP local ports:

----------------

Client:Portname Portid In-Msgs Bytes Last-i/p

Console:Master 10004 0 0 never

Clock:Master 10005 2892 369804 00:00:31

Modem:Master 10006 519 81910 00:26:59

Logger:Master 10007 5 519 22:46:33

Trunk:Master 10008 236199 20079328 00:00:03

Async data:Master 10009 3 15 22:45:38

TDM:Master 1000A 2 32 2d00h

Dial shelf manager:Master 1000B 2832 537348 00:00:18

DSIP Test:Master 1000C 0 0 never

DSIP remote ports:------------------

Client:Portname Portid Out-Msgs Bytes Last-o/p Last-act

Clock:Slave0 1070005 1 24 2d00h 2d00h

Trunk:Slave0 1070007 18 2016 22:45:38 2d00h

TDM:Slave0 1070008 7 700 22:45:38 22:48:35

Modem:Slave6 10D0005 170 3520 05:06:41 2d00h

TDM:Slave6 10D0007 7 700 22:45:38 22:48:35

10D0000 DSIP Dial Shelf:Slave6 15 15

1070000 DSIP Dial Shelf:Slave0 17 17

DSIP version information:

-------------------------

Local DSIP major version = 5, minor version = 2

All feature boards are running DSIP versions compatible with router shelf

Local clients registered versions:------------------------------------

Client Name Major Version Minor Version

Console 5 2

Clock 1 1

Modem 0 0

Logger No version No version

Trunk No version No version

Async data No version No version

TDM No version No version

DSIP Test No version No version

Mismatched Remote Client Versions:

-----------------------------------

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To check clients up and running use the show dsip ports command.AS5800-1# show dsip ports

DSIP local ports:

----------------

Client:Portname Portid In-Msgs Bytes Last-i/p

Console:Master 10004 0 0 never

Clock:Master 10005 2899 370700 00:00:39

Modem:Master 10006 521 82332 00:06:43

Logger:Master 10007 5 519 22:53:41

Trunk:Master 10008 236786 20133388 00:00:01

Async data:Master 10009 3 15 22:52:46

TDM:Master 1000A 2 32 2d00h

Dial shelf manager:Master 1000B 2839 538692 00:00:12

DSIP Test:Master 1000C 0 0 never

DSIP remote ports:

-----------------

Client:Portname Portid Out-Msgs Bytes Last-o/p Last-act

Clock:Slave0 1070005 1 24 2d00h 2d00h

Trunk:Slave0 1070007 18 2016 22:52:46 2d00h

TDM:Slave0 1070008 7 700 22:52:46 22:55:44

Modem:Slave6 10D0005 170 3520 05:13:49 2d00h

TDM:Slave6 10D0007 7 700 22:52:46 22:55:44

Clock:Slave12 1130005 1 24 2d00h 2d00h

Dial shelf manager:Slave12 1130006 2816 537708 00:00:34 2d00h

AS5800-1#

Tips

Check DSI health using the show dsi command. This provides Dial Shelf Interconnect(DSI) controller and interface output.

AS5800-1# show dsip transport



bytes=14359874

total consumed ipc msgs=3051; total freed ipc msgs = 3051

transmit contexts in use = 7, free = 249, zombie = 0, invalid = 0





getbuffer failures=0DATA : input msgs=10592, bytes=339879; output msgs=10664, bytes=86461

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MII registers:

Register 0x00: 2100 784F 2000 5C01 0081 0000 0000 0000

Register 0x08: 0000 0000 0000 0000 0000 0000 0000 0000

Register 0x10: 0000 0000 0000 0003 0000 0001 8060

Register 0x18: 8020 08A0 0000 3800 A3B9

throttled=0, enabled=0, disabled=0

rx_fifo_overflow=0, rx_no_enp=0, rx_discard=0tx_underrun_err=0, tx_jabber_timeout=0, tx_carrier_loss=0

tx_no_carrier=0, tx_late_collision=0, tx_excess_coll=0

tx_collision_cnt=0, tx_deferred=0, fatal_tx_err=0, tbl_overflow=0

HW addr filter: 0x6163BCCC, ISL Disabled

Entry= 0: Addr=FFFF.FFFF.FFFF










Entry=10: Addr=FFFF.FFFF.FFFF





Entry=15: Addr=00E0.A38A.2C54

If the router shelf boots, but there is no communication between the router shelf and thedial shelf, use the show dsip transport command. If there are no entries for DSIP

registered addresses, there is a problem with the DSI.

AS5800-1# show dsip transport



bytes=14359874

total consumed ipc msgs=3051; total freed ipc msgs = 3051

transmit contexts in use = 7, free = 249, zombie = 0, invalid = 0


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Configuring Ethernet 100BaseT




getbuffer failures=0

DATA : input msgs=10592, bytes=339879; output msgs=10664, bytes=86461







Configuring Ethernet 100BaseTAssign an IP address to the Ethernet 100BaseT interface of your access server so it can be

recognized as a device on the Ethernet LAN. Table 3-2 lists commands to help you

configure Ethernet 100BaseT.

Table 3-2 Configuring Ethernet 100BaseT


1 AS5800-1> enable

Password: password

AS5800-1#



You are in privileged EXEC mode when the prompt

changes to AS5800-1#.

2 AS5800-1# configure terminal

Enter configuration commands, one

per line. End with Ctrl-Z.

AS5800-1(config)#




You are in global configuration mode when the prompt

changes to AS5800-1(config)# .

3 AS5800-1(config)# interface

fastethernet shelf/slot/port

AS5800-1(config-if)#

Enter Fast Ethernet interface configuration mode.

You are logged in interface mode when the prompt

changes to AS5800-1(config-if) .

4 AS5800-1(config-if)# ip address

ip-address subnet-mask

Assign an IP address and subnet mask to the Fast

Ethernet interface.

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Configuring ISL for VLAN Routing

Verify

Verify you have configured your 100BaseT Ethernet interface and duplex operations for

your access server correctly using the following show commands:

AS5800-1# show arp

Protocol Address Age (min) Hardware Addr Type Interface

Interent 193.178.30.4 - 0800.207e.bead ARPA Ethernet 0

AS5800-1#

AS5800-1# show interface fastethernet 0/0/0

FastEthernet5/0/0 is up, line protocol is up

Hardware is DEC21140, address is 0010.1f57.0800 (bia 0010.1f57.0800)

Internet address is 193.180.130.10/27MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec, rely 255/255, load 1/255

Encapsulation ARPA, loopback not set, keepalive set (10 sec)

Full-duplex, 100Mb/s, MII

Configuring ISL for VLAN RoutingUse the Inter-Switch Link (ISL) to connect multiple Virtual LANs (VLANs) using the

Ethernet Media Access Control (MAC) and Ethernet media. Table 3-3 lists commands to

help you configure ISL for VLAN routing.

5 AS5800-1(config-if)# string{duplex

full | duplex half | duplex auto}

Enter Fast Ethernet duplex setting. (Your options

include duplex full, duplex half, and duplex auto.)

6 AS5800-1(config-if)# exit

AS5800-1(config)#

[or]

AS5800-1(config-if)# Ctrl-Z

AS5800-1#

Type the exit command to exit out of interface

configuration mode

[or]

Press the return key to verify your command registers,

then type Ctrl-Z to return to privileged EXEC mode.


startup-config



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Configuring ISL for VLAN Routing

Table 3-3 Configuring ISL for VLAN Routing

Step Command Purpose

1 AS5800-1> enable

Password: password

AS5800-1#







line. End with CNTL/Z.

AS5800-1(config)#





prompt changes to AS5800-1(config)#.


fastethernet shelf/slot/port

Enter interface configuration mode and respective

interface. You are in interface mode when the

prompt changes to AS5800-1(config-if)# .

4 AS5800-1(config-if)# no shut You must enable Fast Ethernet using the no shut

command.

5 AS5800-1(config-if)# interface

fastethernet0/0/0.x

Enter the Fast Ethernet subinterface x, where x is an

integer value. You are in subinterface mode when

the prompt changes to

AS5800-1(config-subif)#.

6AS5800-1(config-subif)# encapsulation

isl value Set ISL encapsulation to the VLAN identifier (avalue between 1 and 1000).

7 AS5800-1(config-subif)# exit


[or]

AS5800-1(config-subif)# Ctrl-Z

AS5800-1#

Type the exit command to exit out of subinterface

configuration mode

[or]



EXEC mode.


startup-config


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Configuring Clocking

Verify

Verify the VLAN setup (VLAN ID, network address, protocol, and packets received and

transmitted) using the show vlan command.

AS5800-1# show vlan

Virtual LAN ID: 10 (Inter Switch Link Encapsulation)

vLAN Trunk Interface: FastEthernet0.10

Protocols Configured: Address: Received: Transmitted:

X 10.00e0.1e6b.2f03 3 5

TipsIf packets are not being routed:

Enter the debug vlan packets command. When you finish viewing the messages, enterthe no debug vlan packets command to shut off messages.

AS5800-1# debug vlan packets

Virtual LAN packet information debugging is on

vLAN: ISL packet received bearing colour ID 16 on FastEthernet0

which has no subinterface configured to route or bridge ID 16.

Configuring ClockingThe Time-Division Multiplexing (TDM) bus on the dial shelf backplane can receive aninput clock from one of three basic sources:

Any trunk ports in slots 0 through 5 (up to 12 can be selected; two per slot)

An External T1/E1 clock source feed directly through a connector on the dial shelfcontroller card

A free-running clock from an oscillator in the clocking hardware on the dial shelfcontroller card.

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Trunk PortsThe TDM bus can be synchronized with the trunk card T1/E1 clocks. Each trunk card that

is loaded in slots 0 through 5 (as noted on the dial shelf backplane) is capable of providing

up to 12 8-KHz clocking references (one per port); however, a maximum of two clocking

sources per trunk card (thus, a maximum of 12) can get forwarded to the dial shelf

controller card.

External Clock

The TDM bus can be synchronized with an external clock source on the dial shelf controllercard, which can be used as an additional network reference. The dial shelf controller card

then uses one of the clocks forwarded to it as the primary source to generate a stable Phase

Lock Loop (PLL) synchronized output clock. If no clocks are configured, the system will

attempt to assign a clock as primary using a software-controlled default algorithm. If you

want the external clock as the primary clock source, you must configure it using CLI

commands; the external clock is never selected by default.

Free-Running ClockWhen the Dial Shelf Controller (DSC) comes up after the system is powered on, there is no

good clocking source from a trunk card or external clock source. This causes the clocking

to run from the local oscillator. The free-running clocking source is transparent to the user;

thus, no configuration is required.

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Table 3-4 lists commands to help you configure the clock source and clock source priority

used by the TDM bus:

Table 3-4 Configuring Clocking


1 AS5800-1> enable

Password: password

AS5800-1#







per line. End with CNTL/Z.

AS5800-1(config)#

Enter global configuration mode by typing the configure

command. The example is using the terminal

configuration option.


changes to AS5800-1(config)#.

3 AS5800-1(config)# dial-tdm-clock

priority value

Configure the trunk card clock priority. Priority range is

defined as a value between 1 and 50.

4 AS5800-1(config)# [no]

dial-tdm-clock priority X

{trunk-slot Yport Z} external

{t1 | e1} [120-ohm]

Select the T1/E1 trunk slot and port that is providing the

clocking source. T1/E1 selection is based on the signal

being fed in. Select the impedence.The default

impedance is 75-ohm.

5 AS5800-1(config)# dial-tdm-clock

priority value external t1

[or]

AS5800-1(config)# dial-tdm-clock

priority value external e1

Configure the T1/E1 external clock feed on the dial shelf

controller front panel. T1/E1 selection is based on the

signal being fed in. Priority range is defined as a value

between 1 and 50.

6 AS5800-1(config)# Ctrl-Z

AS5800-1#




startup-config


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Configuring ISDN Switch Types

Verify

Verify your clocking priorities using the show dial-shelf clocks command:AS5800-1# show dial-shelf clocks

Slot 12:

System primary is 1/2/0 of priority 202

TDM Bus Master Clock Generator State = NORMAL

Backup clocks:

Source Slot Port Priority Status State

-------------------------------------------------------

Trunk 2 1 208 Good Default

Slot Type 11 10 9 8 7 6 5 4 3 2 1 0

2 T1 G G G G G G G G G G G G

Configuring ISDN Switch TypesYour Cisco AS5800 access server is designed to support multiple switch types, which

allows a switch type to be defined per interface. You can also change the switch type

without having to reload the router; however, you will need to perform a reload on your

router if you change the global switch type.

The National ISDN (NI) switch type supports Non-Facility Associated Signaling (NFAS),

a single D-channel used to control multiple PRI interfaces on a T1 interface. In other words,

one or two D-channels can control up to 24 T1 PRIs, as opposed to having one D-channel

per PRI.

To configure the ISDN switch servicing your T1 or E1 lines, you must obtain the switch

types offered by your telephone service provider.

Note Verify your ISDN switch types match those offered by your telco. Your switch-type

options apply to Primary Rate Interface (PRI) . In the United States, your switch options

include 5ESS, DMS100, and NI. Outside the United States, your switch-type options

include NET5, NTT, and TS014. For additional information in your area, contact your local

telephone service provider.

Table 3-5 lists commands to help you configure your ISDN switch types.

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Table 3-5 Configuring ISDN Switch Types


1 AS5800-1> enable

Password: password

AS5800-1#



You are in privileged EXEC mode when

the prompt changes to AS5800-1#.


Enter configuration commands, one per line. End

with CNTL/Z.

AS5800-1(config)#

Enter global configuration mode by

typing the configure command. The

example is using the terminal


You are in global configuration mode

when the prompt changes to

AS5800-1(config)#.

3 AS5800-1(config)# isdn switch-type

{primary-5ess |primary-dms100 |primary-ni}

[or]

AS5800-1(config)# isdn switch-type

{primary-net5 |primary-ntt |primary-ts014}

Enter your telcos switch types. For T1,

your switch type options include

primary-5ess, primary-dms100, and

primary-ni. For E1, your switch type

options include primary-net5,

primary-ntt, and primary-ts014.

Note: This platform does not support

Basic Rate Interface (BRI).

4 AS5800-1(config)# controller t1 shelf/slot/port[or]

AS5800-1(config)# controller e1 shelf/slot/port

AS5800-1(config-controller)#

Verify which trunk card you haveinstalled (T1 or E1), then enter

controller configuration mode to

configure your controller ports. The

controller ports are labeled shelf/slot/0

through shelf/slot/11 on the T1 and E1

cards

5 AS58000-1(config-controller)# line termination

{75-ohm| 120-ohm}

Enter line-termination value. (The

example shown is for E1 only.)

6 AS5800-1(config-controller)# framing {esf | sf}

[or]

AS5800-1(config-controller)# framing

crc4 | nocrc4}

Enter your telcos framing type. For T1,

your options include esfand sf. For E1,

your options include crc4 and no-crc4.

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7 AS5800-1(config-controller)#

linecode {ami |b8zs}

[or]

AS5800-1(config-controller)# linecode

{ami | hdb3}

Enter your telcos line code type. For

T1, your options include ami and b8zs.

For E1, your options include ami and

hdb3.

8 AS5800-1(config-controller)# exit

AS5800-1(config)#

Type exit to exit out of controller

configuration mode.

9 AS5800-1(config)# int pri shelf/slot/port

AS5800-1(config-if)# isdn switch-type

{primary-5ess |primary-dms100 |primary-ni}[or]

AS5800-1(config-if)# isdn switch-type


Configure the interface switch type. For

T1, your switch type options include

primary-5ess, primary-dms100, andprimary-ni. For E1, your switch type





10 AS5800-1(config)# dial-tdm-clock priority value

shelf/slot/port

Configure the trunk card clock priority

(any trunk ports in slots 0 through 5 (up

to 12 can be selected; two per slot).

Priority range is defined as a value

between 1 and 50.

11 AS5800-1(config)# [no] dial-tdm-clock

priority X{trunk-slot Yport Z} external

{t1 | e1} [120-ohm]

Select the T1/E1 trunk slot and port that

is providing the clocking source. T1/E1selection is based on the signal being

fed in. Select the impedence.The default



external t1

[or]

AS5800-1(config)# dial-tdm-clock priority value

external e1

Configure the T1/E1 external clock feed

on the dial shelf controller front panel.

T1/E1 selection is based on the signal

being fed in. Priority range is defined as

a value between 1 and 50.


AS5800-1#

Press the return key to verify your

command registers, then type Ctrl-Z to

return to privileged EXEC mode.

14 AS5800-1# copy running-config startup-config Save your changes when ready.


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Configuring ISDN PRI

Configuring ISDN PRITable 3-6 lists commands to help you configure access server interfaces for ISDN PRI lines.

An additional command is required to allow PRI B-channel selection to be either in

ascending (1 to 23) or descending (23 to 1) order.

Previously, the router would always choose a B-channel for outgoing calls from the highest

free channel (descending). The NI-1997 specification states that channel selection can be

ascending or descending. To change the selection from descending to ascending, you must

enter the isdn bchan-number-order ascending|descending command.

Note Because some telephone service providers charge more for ISDN data calls, you

might want to configure the isdn incoming-voice data command to process ISDN calls as

voice calls, which provides you with data service at a voice billing rate; however, incoming

modem calls will not be passed to the modems with this command enabled. Native ISDN

calls are directed like a protocol.

Table 3-6 Configuring ISDN PRI


1 AS5800-1> enable

Password: passwordAS5800-1#







with CNTL/Z.

AS5800-1(config)#







AS5800-1(config)#.

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3 AS5800-1(config)# isdn switch-type

{primary-5ess |primary-dms100 |primary-ni}

[or]

AS5800-1(config)# isdn switch-type


Enter your telcos switch types. For T1,

your switch type options include

primary-5ess, primary-dms100, and

primary-ni. For E1, your switch type





4AS5800-1(config)# isdn bchan-number-order

ascending|descending Configure B-channel selection. Theexample is using the option from

ascending to descending.

5 AS5800-1(config)# controller t1 shelf/slot/port

[or]



Verify which trunk card you have

installed (T1 or E1), then enter

controller configuration mode to

configure your controller ports. The



cards


{75-ohm| 120-ohm}




[or]AS5800-1(config-controller)# framing

crc4 | nocrc4}


your options include esfand sf. For E1,your options include crc4 and no-crc4.



[or]


{ami | hdb3}




hdb3.


shelf/slot/port

Configure the trunk card clock priority

(any trunk ports in slots 0 through 5 (up

to 12 can be selected; two per slot).

Priority range is defined as a value

between 1 and 50.


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Note Cisco uses a numbering scheme of 0-23 and 0-31 when identifying system serial

interfaces; however, some telcos use 1-24 and 1-32 respectively.

10 AS5800-1(config)# [no] dial-tdm-clock

priority X{trunk-slot Yport Z} external

{t1 | e1} [120-ohm]

Select the T1/E1 trunk slot and port that

is providing the clocking source. T1/E1

selection is based on the signal being



11 AS5800-1(config)# dial-tdm-clock priority

numberexternal t1 1.544

[or]

AS5800-1(config)# dial-tdm-clock priority

numberexternal e1 2.048

Configure the T1 and/or E1 priority

external clock. T1 is 1.544 MHz; E1 is

2.048 MHz.

12 AS5800-1(config-controller)#pri-group

timeslots 1-24

[or]

AS5800-1(config-controller)#pri-group

timeslots 1-31

Configure all channels for ISDN. T1 is

1-24; E1 is 1-31.

13 AS5800-1(config-controller)# controller t1

shelf/slot/port

AS5800-1(config-controller)# framing esf

AS5800-1(config-controller)# linecode b8zs

AS5800-1(config-controller)#pri-group

timeslots 1-24

Repeat Step 3 through Step 12 to

configure each additional controller.

(The example shown is a typical T1

configuration.)


AS5800-1(config)#

[or]AS5800-1(config-controller)# Ctrl-Z

AS5800-1#

Type the exit command to exit out of

controller configuration mode

[or]

Press the return key to verify your

command registers, then type Ctrl-Z to

return to privileged EXEC mode.



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Verify

Verify your configuration using the show controller command:

show controller t1 shelf/slot/port or show controller e1 shelf/slot/port:

AS5800-1# show controller t1 2/1/0

T1 1/0/1 is up.

No alarms detected.

Framing is ESF, Line Code is B8ZS, Clock Source is Line.

Data in current interval (220 seconds elapsed):

0 Line Code Violations, 0 Path Code Violations

0 Slip Secs, 0 Fr Loss Secs, 0 Line Err Secs, 0 Degraded Mins

0 Errored Secs, 0 Bursty Err Secs, 0 Severely Err Secs, 0 Unavail Secs

Total Data (last 24 hours)0 Line Code Violations, 0 Path Code Violations,

0 Slip Secs, 0 Fr Loss Secs, 0 Line Err Secs, 0 Degraded Mins,


Tips

Verify the controller reports being up.

Verify no errors are reported.

View layer status information using the show isdn status command:

AS5800-1# show isdn status

Global ISDN Switchtype = primary-ni

ISDN Serial1/0/0:23 interfacedsl 0, interface ISDN Switchtype = primary-5ess

Layer 1 Status:

DEACTIVATED

Layer 2 Status:

TEI = 0, SAPI = 0, State = TEI_ASSIGNED

Layer 3 Status:

0 Active Layer 3 Call(s)

Activated dsl 0 CCBs = 0

ISDN Serial1/0/1:23 interface

dsl 1, interface ISDN Switchtype = primary-5ess

Layer 1 Status:

ACTIVE

Layer 2 Status:

TEI = 0, SAPI = 0, State = MULTIPLE_FRAME_ESTABLISHED

Layer 3 Status:3 Active Layer 3 Call(s)

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CCB:callid=2, sapi=0, ces=0, B-chan=1



dsl 0, interface ISDN Switchtype = primary-5ess

Layer 1 Status:

DEACTIVATED

Layer 2 Status:


Layer 3 Status:



ISDN Serial1/0/1:23 interfacedsl 1, interface ISDN Switchtype = primary-5ess

Layer 1 Status:

ACTIVE

Layer 2 Status:

TEI = 0, SAPI = 0, State = MULTIPLE_FRAME_ESTABLISHED

Layer 3 Status:






ISDN Serial1/0/2:23 interface

dsl 2, interface ISDN Switchtype = primary-ni

Layer 1 Status:

DEACTIVATED

Layer 2 Status:


Layer 3 Status:



Total Allocated ISDN CCBs = 3

Tips

Verify Layer 1 Status is Active.

Verify Layer 2 Status is Multiple_Frame_Established. (It might take several secondsfor Layer 2 status to appear.)

Verify Layer 3 Status is No Active Layer 3 Call(s).

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Configuring Cable Length

Verify the cable connection is not loose or disconnected if the Layer 1 Status isDeactivated. This status message indicates a problem at the physical layer.

Verify your telco or framing and line code types you entered match those offered byyour telephone service provider. A Layer 2 error indicates that the access server cannot

communicate with the telco; there is a problem at the data link layer.

View ISDN activity using the show isdn active command:

AS5800-1# show isdn active

------------------------------------------------------------------------

ISDN ACTIVE CALLS

------------------------------------------------------------------------History Table MaxLength = 100 entries

History Retain Timer = 15 Minutes

----------------------------------------- ------------------------------

Call Calling Called Duration Remote Time until Recorded Charges

Type Number Number Seconds Name Disconnect Units/Currency

--------------------------------------------- --------------------------

In 4153246770 Active(12398)

In 4153246771 Active(12389)

In 4155250771 Active(12373) aaaa-2503

In 4153247075 Active(45632) bbbb

In 4153371273 Active(45633) cccc

In 4153375672 Active(45633)

In 4153379377 Active(45627)

In 4154412975 Active(52132)

-----------------------------------------------------------------------

Configuring Cable LengthWhen you configure your channelized T1 trunk cards, you must include the distance of the

cable connected to the feature card. To specify this distance, you must use the cablelength

command. No cablelength command is required for E1 trunk cards.

The cablelength command is designed to recognize two basic fixed settings:

Cable Length Short

Cable Length Long

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Configuring Cable Length

Cable Length ShortThe following cable length short configurations define the length range (in feet), between

your Network Access Server (NAS) and your repeater. The cablelength shortcommand is

configured for a channelized T1 only and includes the following settings:

133 feet (0-133 feet)

266 feet (134-266 feet)

399 feet (267-399 feet)

533 feet (400-533 feet)

655 feet (534-655 feet)

Note Although you can specify a cable length from 0 to 655 feet, the hardware only

recognizes fixed configuration lengths. For example, if your cable length is 50 feet between

your NAS and your repeater, you should configure your cable length using the 133-feet

setting. If you later change the cable length to 200 feet, you should reconfigure your cable

length using the 266-feet setting.

Cable Length Long

The following cable length long configurations define the length range in gain and pulse,between your Network Access Server (NAS) and your repeater. The cablelength long

command is configured for a channelized T1 only and includes the following gain and pulse

arguments:

gain 26 (26db Gain)

gain 36 (36db Gain)

-15db (-15db pulse)

-22.5db (-22.5 db pulse)

-7.5db (-7.5 db pulse)

0db (0 db pulse)

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Configuring Channelized T1 or E1

Configuring Channelized T1 or E1Configure your Cisco AS5800 access server for channelized T1 or E1 lines. During T1

trunk card configuration, you must include impedance and cable length information.

During E1 trunk card configuration, you must only include impedance information.

Table 3-7 lists commands to help you configure channelized T1/E lines to support modem

pooling.

Table 3-7 Configuring Channelized T1/E1


1 AS5800-1> enable

Password: password

AS5800-1#







with CNTL/Z.

AS5800-1(config)#







AS5800-1(config)#.

3 AS5800-1(config)# controller t1 shelf/slot/port

[or]



Enter controller configuration mode to

configure your controller port. The



cards.


cablelength short (133 | 266 | 399 | 533 | 655}

[or]

AS5800-1(config-controller)# cablelength long

{gain 26 | gain 36} {-15 | -22.5 | -7.5 | 0}

Enter the controller cablelength short

value between 0 and 655 (feet). Enter

the controller cablelength long value

using gain and pulse. (Configure

cablelength for T1 only.)


{75-ohm| 120-ohm}



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[or]

AS5800-1(config-controller)# framing

crc4 | nocrc4}


your options include esfand sf. For E1,

your options include crc4 and no-crc4.



[or]


{ami | hdb3




hdb3.

8 AS5800-1(config)# [no] dial-tdm-clockpriority X{trunk-slot Yport Z} external

{t1 | e1} [120-ohm]

Select the T1/E1 trunk slot and port thatis providing the clocking source. T1/E1

selection is based on the signal being




external t1 1.544

[or]

AS5800-1(config)# dial-tdm-clock priority value

external e1 2.048

Configure the T1/E1 priority external

clock. T1 is 1.544 MHz; E1 is 2.048

MHz.


cas-group 1 timeslots 1-24 type

Configure all T1 channels for E&M,

FXS, and SAS analog signaling. Enter

1-24 for T1.

Signaling types include e&m-fgb,e&m-fgd, e&m-immediate-start,

fxs-ground-start, fxs-loop-start,

sas-ground-start, and sas-loop-start.

Note: You must use the same type of

signaling offered by your telephone

service provider.

Note: CAS is offered for T1 only.


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VerifyVerify your controller is operative using the show controller t1 or show controller e1

command:

AS5800-1> show controller t1 1/0/1

T1 1/0/1 is up.

No alarms detected.

Framing is ESF, Line Code is B8ZS, Clock Source is Line.

Data in current interval (540 seconds elapsed):




Data in Interval 1:




Data in Interval 2:




Data in Interval 3:




Data in Interval 4:



0 Errored Secs, 0 Bursty Err Secs, 0 Severely Err Secs, 0 Unavail Sec

Data in Interval 5:


0 Slip Secs, 0 Fr Loss Secs, 0 Line Err Secs, 0 Degraded Mins0 Errored Secs, 0 Bursty Err Secs, 0 Severely Err Secs, 0 Unavail Secs


AS5800-1(config)#

[or]

AS5800-1(config-controller)# Ctrl-Z

AS5800-1#

Type the exit command to exit out of

controller configuration mode

[or]

Type Ctrl-Z to return to privileged

EXEC mode.



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Data in Interval 6:




Data in Interval 7:




Data in Interval 8:




Data in Interval 9:0 Line Code Violations, 0 Path Code Violations



Data in Interval 10:





























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(NOTE: Some data has been snipped from this printout)Data in Interval 91:
























Total Data (last 24 hours)

0 Line Code Violations, 0 Path Code Violations,

0 Slip Secs, 0 Fr Loss Secs, 0 Line Err Secs, 0 Degraded Mins,


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Configuring D Channels for Modem Signaling

Tips

Verify the controller reports being up.

Verify no errors are reported.

Verify output displays no alarms or violations.

Configuring D Channels for Modem SignalingConfigure the ISDN D channels (which carry the control and signaling information for

ISDN calls) for each ISDN PRI line, as shown in Table 3-8.

Table 3-8 Configuring the D Channels for Modem Signaling


1 AS5800-1> enable

Password: password

AS5800-1#








AS5800-1(config)#






3 AS5800-1(config)# interface serial

shelf/slot/port:15

[or]

AS5800-1(config)# interface serial

shelf/slot/port:23


Enter serial interface configuration mode. After you

have configured the controller, a corresponding D

channel serial interface is created instantly.

For example, serial interface 1/1/0:23 is the D channel

for controller 1/1/0. You must configure each serial

interface for incoming and outgoing modem signaling.

4 AS5800-1(config-if)# ip address


Assign an IP address and subnet mask to the interface.

5 AS5800-1(config-if)# isdn

incoming-voice modem

Configure all incoming voice calls to go to the

modems.

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Note Cisco uses a numbering scheme of 0-23 and 0-31 when identifying system serial

interfaces; however, some telcos use 1-24 and 1-32 respectively.

1. PPP = Point-to-Point Protocol.

2. CHAP = Challenge Handshake Authentication Protocol.

3. PAP = Password Authentication Protocol.

6 AS5800-1(config-if)# dialer-group 1 Assign the serial interface to dialer group 1. The dialer

group number is used with the dialer-list command to

determine which packets will meet the criteria

specified by the dialer-list command and activate the

ISDN connection.

7 AS5800-1(config-if)# encapsulation

ppp

Change the default to encapsulation ppp so you can

enter ppp commands.

8 AS5800-1(config-if)#ppp multilink Enable PPP1 multilink on the serial interface.

9 AS5800-1(config-if)#pppauthentication chap pap

Enable CHAP2 and PAP3 authentication on the serialinterface.

10 AS5800-1(config-if)#peer default ip

address pool name

Support dial-in PC clients.


AS5800-1(config)#

[or]


AS5800-1#


configuration mode

[or]




startup-config



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Verify

Verify your D-channel configuration using the show interface command:

AS5800-1# show interface 1/0/0:23

Serial1/0/0:23 is up, line protocol is up

Hardware is DSX1

Interface is unnumbered. Using address of FastEthernet0 (15.0.0.60)

MTU 1500 bytes, BW 64 Kbit, DLY 20000 usec, rely 255/255, load 1/255

Encapsulation PPP, loopback not set

Last input 00:00:00, output 00:00:00, output hang never

Last clearing of "show interface" counters never

Queueing strategy: fifo

Output queue 0/40, 0 drops; input queue 0/75, 0 drops5 minute input rate 0 bits/sec, 0 packets/sec

5 minute output rate 0 bits/sec, 0 packets/sec

54 packets input, 214 bytes, 0 no buffer

Received 0 broadcasts, 10 runts, 0 giants, 0 throttles

10 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort

53 packets output, 211 bytes, 0 underruns

0 output errors, 0 collisions, 10 interface resets

0 output buffer failures, 0 output buffers swapped out

1 carrier transitions

Timeslot(s) Used:24, Transmitter delay is 0 flags

Tips

Verify the serial interface and protocol are up using the show interface serial command:AS5800-1(config)# show interface serial 1/0/0:23

Serial1/0/0:23 is up, line protocol is up

Hardware is DSX1

Internet address is 161.120.10.2/24


Encapsulation PPP, loopback not set

Last input 00:00:02, output 00:00:02, output hang never



Output queue 0/40, 0 drops; input queue 0/75, 0 drops

5 minute input rate 0 bits/sec, 0 packets/sec






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Debug Dialer Messages



1 carrier trnsitions

Timeslot(s) Used:24, Transmitter delay is 0 flags

Enter the debug dialer command to view the error messages. You can also use the debug

dialer events or debug dialer packets messages to view event or packet messages. When

you finish viewing the messages, enter the no debug dialer command to shut off the

messages. (See Table 3-9 for debug dialer message explanations.)

AS5800-1# debug dialer

PRI0: Dialing cause: PRI0: ip PERMIT

PRI0: No dialer string defined. Dialing cannot occur..PRI0: Dialing cause: PRI0: ip PERMIT

Debug Dialer MessagesThe following tables describe debug messages.

Table 3-9 Debug Dialer Messages

Message Description

PRI0: No dialer string defined.

Dialing cannot occur

Displayed when a packet is received that should cause a call to

be placed. However, there is no dialer string configured, sodialing cannot occur. This message usually indicates a

configuration problem. Re-enter the dialer-group command in

Step 6 of Table 3-8.

PRI0: Attempting to dial string Indicates that a packet has been received that passes the

dial-on-demand access lists. That packet causes dialing of a

phone number. The string variable is the number being called.

PRI0: Unable to dial string Displayed if the phone call could not be placed. This can be

due to a lack of memory, full output queues, or other problems.

PRI0: disconnecting call Displayed when the access server attempts to hang up a call.

PRI0: idle timeout

PRI0: re-enable timeout

PRI0: wait for carrier timeout

One of these three messages is displayed when their

corresponding dialer timer expires. They are mostly

informational, and are useful when debugging a disconnected

call or call failure.

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Debug Dialer Messages

Tip

If dialing cannot occur, check the configuration by entering the debug isdn q931 command.

When you finish viewing the messages, enter no debug isdn q931 to shut off the messages.

(See Table 3-10 for debug ISDN message explanations.)

AS5800-1# debug isdn q931

%LINEPROTO-5-UPDOWN: Line protocol on Interface Serial1/1/0:22, changed

state to up

ISDN Event: Call to 9086154535 dsl 3 at 64 Kb/s

TX -> SETUP dsl = 3 pd = 8 callref = 0x188C

Bearer Capability i = 0x8890

Channel ID i = 0xE1808397

Called Party Number i = 0xA1, '95163287448'

RX Indicates this message is being transmitted from the local router (user side) to the network

side of the ISDN interface.

RX

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Configuring Loopback and Ethernet Interfaces

Configuring Loopback and Ethernet InterfacesThe loopback 0 interface is a virtual IP interface carrying all dial-in users, and it exists only

in the Cisco AS5800 access server. You assign an IP network number to the loopbackinterface, then let each asynchronous interface borrow this network number.

Creating Interfaces for Asynchronous and ISDN Dial-in ServicesThis section describes how to configure the access server interfaces that enable dial-in

clients to make remote asynchronous and ISDN connections to your access server.

To configure remote services, you must configure three interrelated interfaces on the

Cisco AS5800 access server. The loopback interface makes the network appear as if the

dial-in users exist on one Ethernet segment. The loopback interface has the following four

types of neighboring interfaces used for dial-in operations: ISDN interface, dialer interface,

group asynchronous interface, and asynchronous interface.

1. ITU-T1 = International Telecommunication Union Telecommunication Standardization Sector.

Bearer

Capability

Indicates the requested bearer service to be provided by the network.

i= Indicates the Information Element Identifier. The value depends on the field it is associated

with. Refer to the ITU-T Q.931 specification for details about the possible values associated

with each field for which this identifier is relevant.

Channel ID Indicates the Channel Identifier. The value 83 indicates any channel, 89 indicates the B1

channel, and 8A indicates the B2 channel. For more information about the Channel

Identifier, refer to ITU-T Recommendation Q.931.

Called PartyNumber

Identifies the called party. This field is only present in outgoing SETUP messages. It can bereplaced by the Keypad facility field. This field uses the IA5 character set.

RELEASE Indicates that the sending equipment will release the channel and call reference. The

recipient of this message should prepare to release the call reference and channel.

RELEASE_COMP Indicates that the sending equipment has received a RELEASE message and has now

released the call reference and channel.

Message Description

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Configuring Loopback and Ethernet Interfaces

All dial-in users exist on one dial-in subnet. Remote asynchronous users dial in through the

group asynchronous interface to the access server. Remote ISDN users dial in through the

ISDN dialer interface to the access server.

Table 3-11 lists commands to help you configure the loopback and Ethernet interface.

Table 3-11 Configuring Loopback and Ethernet Interface


1 AS5800-1> enable

Password: passwordAS5800-1#







line. End with Ctrl-Z.

AS5800-1(config)#





prompt changes to AS5800-1(config)#.

3 AS5800-1(config)# interface loopback 0

%LINEPROTO-5-UPDOWN: Line protocol on

Interface Loopback0, changed state to

up

Create interface loopback 0, which is the logical IP

subnet containing all dial-in users addresses.

You are in interface mode when the prompt changes

to AS5800-1(config-if)#.4 AS5800-1(config)# interface Ethernet

shelf/slot/port

AS5800-1(config-if)# ip address


Configure Ethernet interface 0 and assign it an IP

address from the subnet address on the network to

which you are enabling dial-in access.

5 AS5800-1(config-if)# no shutdown Enable the interface using the no shutdown

command.

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Configuring the Asynchronous Group Interface


Timesaver Because there are so many asynchronous interfaces on the Cisco AS5800

access server, configuring them as a group can save you time.

You can assign asynchronous interfaces to a group, which is shown in Table 3-12, or you

can configure them individually, which is shown in Table 3-13.

Table 3-12 Configuring the Asynchronous Group Interface


AS5800-1(config)#

[or]


AS5800-1#


configuration mode

[or]



EXEC mode.


startup-config



1 AS5800-1> enable

Password: password

AS5800-1#








AS5800-1(config)#







12

6

9 3

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group-async 0


Place all asynchronous interfaces in a single group, so

that you configure the same parameters quickly on all

interfaces at one time. The default setting is 0.

4 AS5800-1(config-if)# ip unnumbered

ethernet 0

To conserve IP addresses, configure the asynchronous

interfaces as unnumbered, and assign the IP address of

the Ethernet interface to them.


ppp

Enable PPP to run on the set of interfaces in the group.

6 AS5800-1(config-if)# async modeinteractive

Configure interactive mode on the asynchronous interfaceto allow telnet users access through a port.

7 AS5800-1(config-if)#ppp

authentication chap pap

Enable CHAP and PAP authentication on the interface.

8 AS5800-1(config-if)#peer default

ip address pool address-range

Support dial-in PC clients. At the global level, define the

pool of addresses.

9 AS5800-1(config-if)# group-range

shelf/slot/port shelf/slot/port

Building configuration...


Define the group range of the interface. The number you

use with the group-range command depends on the

number of asynchronous interfaces you have on your

access server. That is, if your access server has 48

asynchronous interfaces, you can specify group-range

shelf/slot/1 shelf/slot/48. If 60, specify group-range

shelf/slot/1 shelf/slot/60.


AS5800-1(config)#

[or]


AS5800-1#


configuration mode

[or]




startup-config



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Verify

Verify your group interface configuration using the show interface async command

AS5800-1# show interface async 1/2/0

Async1/6/01 is up, line protocol is up

modem=1/6/01, vdev_state(0x00000000)=CSM_OC_STATE, bchan_num=1.

vdev_status(0x00000001): VDEV_STATUS_ACTIVE_CALL.

Hardware is Async Serial

Interface is unnumbered. Using address of Ethernet2/2/1 (14.1.1.1)


Encapsulation PPP, loopback not set, keepalive not set

DTR is pulsed for 5 seconds on reset

LCP OpenOpen: IPCP

Last input 1d01h, output 1d01h, output hang never



Output queue 0/10, 0 drops; input queue 1/10, 0 drops

5 minute input rate 0 bits/sec, 0 packets/sec








0 carrier transitions

Enter the show dialer map command to verify the dialer map is up:AS5800-1# show dialer map

Dynamic dialer map ip 10.10.10.2 name remote-isdn on Serial1

Tips

Enter the show async status map command to check for errors, and local and remote

addresses.

AS5800-1# show async status map

Async protocol statistics:

Rcvd: 29 packets, 592 bytes

0 format errors, 0 checksum errors, 0 overrun, 0 no buffer

Sent: 29 packets, 586 bytes, 0 dropped

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Int Local Remote Qd InPack OutPac Inerr Drops MTU

*504 14.1.1.1 1.1.50.1 0 9 9 0 0 1500

*505 14.1.1.1 1.1.50.2 0 10 10 0 0 1500

506 14.1.1.1 None 0 0 0 0 0 1500

507 14.1.1.1 None 0 0 0 0 0 1500

508 14.1.1.1 None 0 0 0 0 0 1500

509 14.1.1.1 None 0 0 0 0 0 1500

*510 14.1.1.1 1.1.50.3 0 10 10 0 0 1500

511 14.1.1.1 None 0 0 0 0 0 1500

512 14.1.1.1 None 0 0 0 0 0 1500

513 14.1.1.1 None 0 0 0 0 0 1500

514 14.1.1.1 None 0 0 0 0 0 1500

515 14.1.1.1 None 0 0 0 0 0 1500516 14.1.1.1 None 0 0 0 0 0 1500

517 14.1.1.1 None 0 0 0 0 0 1500

518 14.1.1.1 None 0 0 0 0 0 1500

519 14.1.1.1 None 0 0 0 0 0 1500

520 14.1.1.1 None 0 0 0 0 0 1500

521 14.1.1.1 None 0 0 0 0 0 1500

522 14.1.1.1 None 0 0 0 0 0 1500

523 14.1.1.1 None 0 0 0 0 0 1500

524 14.1.1.1 None 0 0 0 0


525 14.1.1.1 None 0 0 0 0 0 1500

526 14.1.1.1 None 0 0 0 0 0 1500

527 14.1.1.1 None 0 0 0 0 0 1500

528 14.1.1.1 None 0 0 0 0 0 1500

529 14.1.1.1 None 0 0 0 0 0 1500

530 14.1.1.1 None 0 0 0 0 0 1500

531 14.1.1.1 None 0 0 0 0 0 1500

532 14.1.1.1 None 0 0 0 0 0 1500

533 14.1.1.1 None 0 0 0 0 0 1500

534 14.1.1.1 None 0 0 0 0 0 1500

535 14.1.1.1 None 0 0 0 0 0 1500

536 14.1.1.1 None 0 0 0 0 0 1500

537 14.1.1.1 None 0 0 0 0 0 1500

538 14.1.1.1 None 0 0 0 0 0 1500

539 14.1.1.1 None 0 0 0 0 0 1500

540 14.1.1.1 None 0 0 0 0 0 1500

541 14.1.1.1 None 0 0 0 0 0 1500

542 14.1.1.1 None 0 0 0 0 0 1500

543 14.1.1.1 None 0 0 0 0 0 1500

544 14.1.1.1 None 0 0 0 0 0 1500

545 14.1.1.1 None 0 0 0 0 0 1500

546 14.1.1.1 None 0 0 0 0 0 1500

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547 14.1.1.1 None 0 0 0 0 0


548 14.1.1.1 None 0 0 0 0 0 1500

549 14.1.1.1 None 0 0 0 0 0 1500

550 14.1.1.1 None 0 0 0 0 0 1500

551 14.1.1.1 None 0 0 0 0 0 1500

552 14.1.1.1 None 0 0 0 0 0 1500

553 14.1.1.1 None 0 0 0 0 0 1500

554 14.1.1.1 None 0 0 0 0 0 1500

555 14.1.1.1 None 0 0 0 0 0 1500

556 14.1.1.1 None 0 0 0 0 0 1500

557 14.1.1.1 None 0 0 0 0 0 1500

558 14.1.1.1 None 0 0 0 0 0 1500559 14.1.1.1 None 0 0 0 0 0 1500

560 14.1.1.1 None 0 0 0 0 0 1500

561 14.1.1.1 None 0 0 0 0 0 1500

562 14.1.1.1 None 0 0 0 0 0 1500

563 14.1.1.1 None 0 0 0 0 0 1500

564 14.1.1.1 None 0 0 0 0 0 1500

565 14.1.1.1 None 0 0 0 0 0 1500

566 14.1.1.1 None 0 0 0 0 0 1500

567 14.1.1.1 None 0 0 0 0 0 1500

568 14.1.1.1 None 0 0 0 0 0 1500

569 14.1.1.1 None 0 0 0 0 0 1500

570 14.1.1.1 None 0 0 0 0


571 14.1.1.1 None 0 0 0 0 0 1500

572 14.1.1.1 None 0 0 0 0 0 1500

573 14.1.1.1 None 0 0 0 0 0 1500

574 14.1.1.1 None 0 0 0 0 0 1500

575 14.1.1.1 None 0 0 0 0

You can also view debug messages for PPP negotiation and authentication using the debug

ppp negotiation and debug ppp authentication commands. When you finish viewing the

messages, shut off the messages by entering no debug ppp negotiation and no debug ppp

authentication commands.

Creating the Asynchronous Group Interface

An asynchronous group interface is the parent interface that applies protocol characteristics

to specified asynchronous ports. The default setting places all modems in group async 0.

You must first remove them from this group before you can add them to another group.

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Table 3-13 lists commands to help you configure group asynchronous interfaces.

Table 3-13 Configuring Group Asynchronous Interfaces


1 AS5800-1> enable

Password:password

AS5800-1#








AS5800-1(config)#







Group-Async 0 no group-range

The default setting for group asynchronous interface is

zero. You must first remove an interface from this

group before you can configure it with another group.


Group-Async 1

Configure the interface for the designated

asynchronous group.

5 AS5800-1(config-if)# group-range



Define the group range of the interface. The number

you use with the group-range command depends on

the number of asynchronous interfaces you have on

your access server. That is, if your access server has 48

asynchronous interfaces, you can specify group-range

shelf/slot/1 shelf/slot/48. If 60, specify group-range

shelf/slot/1 shelf/slot/60.


Loopback 0

To conserve IP addresses, configure the asynchronous

interfaces as unnumbered, and assign the IP address of

the Ethernet interface to them.

7 AS5800-1(config-if)# ip tcp

header-compression passive

Configure TCP header compression as passive to allow

greater throughput on the line.


ppp

Enable PPP to run on the set of interfaces in the group.

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Proceed with the Configuring the ISDN Dialer Interface section.

Configuring the ISDN Dialer Interface

The ISDN dialer interface is the parent interface that holds the central protocol

characteristics for the two ISDN D channels that are part of dialer rotary-group 1. The

previous section, Creating the Asynchronous Group Interface, described how to

configure the ISDN D channels on serial interfaces.

Note Because some telephone service providers charge more for ISDN data calls, you

might want to configure the ISDN incoming-voice data command to process ISDN calls as

voice calls, which provides you with data service at a voice billing rage; however, incoming

modem calls will not be passed to the modems with this command enabled. Native ISDN

calls are directed like a protocol.

9 AS5800-1(config-if)# async mode

interactive

Configure interactive mode on the asynchronous

interface to allow telnet users access through a port.



Enable CHAP and PAP authentication on the interface.

11 AS5800-1(config-if)#peer default ip

address pool default

Assign dial-in clients an IP address from a pool of

addresses named default. The pool is defined later in

this procedure

12 AS5800-1(config-if)# dialer-group 1


Specify the packets that keep the asynchronous links

up. This command derives its definition from thedialer list command, which is configured in the

Configuring the ISDN Dialer Interface section

13 AS5800-1(config)# ip local pool

default ip-address subnet-mask

Assign a pool of IP addresses, all of which are on the

same IP subnet as loopback interface 0.


AS5800-1#




startup-config



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Table 3-14 lists commands to help you configure the ISDN dialer interface.

Table 3-14 Configuring ISDN Dialer Interface


1 AS5800-1> enable

Password: password

AS5800-1#








AS5800-1(config)#







Dialer 1

Enable both D channels to access their core protocol

intelligence from interface dialer 1.


Loopback 0

Associate all ISDN users with the subnet configured on

loopback interface 0.

5 AS5800-1(config-if)#

encapsulation ppp

Configure PPP on the dialer interface.

6 AS5800-1(config-if)#peer defaultip address pool name Assign a common IP address pool. PPP packets comingthrough an asynchronous line and an ISDN line share this

common IP pool. The default address pool is specified in

the section Configuring the Asynchronous Group

Interface.

7 AS5800-1(config-if)# dialer

in-band

Enable the access server to build dynamic mapping of IP

addresses to the ISDN B channels.

8 AS5800-1(config-if)#

dialer-group 1

Specify the dialer group number for this interface.

9 AS5800-1(config-if)# dialer

idle-timeout value

Define the number of seconds that a line is idle before it

hangs up. The default value is 300 seconds (5 minutes).

The dialer list command defines the interesting traffic,

which is the traffic that resets the idle-timeout or triggers

a dial if the line is down and you have a number to send.

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Configuring the Modems

Configuring the ModemsTable 3-15 lists commands to help you configure modems to allow users to dial in to your

network.

Table 3-15 Configuring Modems

10 AS5800-1(config-if)#ppp multilink Enable PPP multilink, which uses multiple bundled B

channels from remote users.



Enable CHAP and PAP authentication on dialer

interface 1.


AS5800-1(config)#

[or]


AS5800-1#


configuration mode

[or]




startup-config



1 AS5800-1> enable

Password: password

AS5800-1#







line. End with CNTL/Z.

AS5800-1(config)#







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Verify

Verify your modem configuration using the show line command to display a summary for

all lines:

AS5800-1# show line

Tty Typ Tx/Rx A Modem Roty AccO AccI Uses Noise Overruns

* 0 CTY - - - - - 0 0 0/0

1 AUX 9600/9600 - - - - - 0 0 0/0

* 2 VTY - - - - - 14 0 0/0

3 VTY - - - - - 3 0 0/0

3 AS5800-1(config)#modem country

country_name

Specify the country to set the modem parameters

(including country code and encoding) for MICA

modems. The default is usa if the access server is

configured with T1 interfaces and e1-default if the

access server has E1 interfaces.

4 AS5800-1(config-if)# line


AS5800-1(config-line)#

Enter the number of modem lines to configure. If you

have 72 modems on a modem card in slot 2 of a dial

shelf identified as shelf 2, enter 2/2/0 2/2/71.

Note: Each modem card contains 12 MICA modems,each with 6 modem SIMMs.

5 AS5800-1(config-line)# transport

input all

Allow all protocols to be used when connecting to the

line.

6 AS5800-1(config-line)# autoselect ppp Enable remote IP users running a PPP application to

dial in, bypass the EXEC facility, and connect directly

to the network.

7 AS5800-1(config-line)#modem inout Enable incoming and outgoing calls.

8 AS5800-1(config-line)# exit

AS5800-1(config#

[or]

AS5800-1(config-line)# Ctrl-Z

AS5800-1#

Type the exit command to exit out of line configuration

mode

[or]




startup-config



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4 VTY - - - - - 1 0 0/0

5 VTY - - - - - 0 0 0/0

6 VTY - - - - - 0 0 0/0

7 VTY - - - - - 0 0 0/0

8 VTY - - - - - 0 0 0/0

9 VTY - - - - - 0 0 0/0

10 VTY - - - - - 0 0 0/0

11 VTY - - - - - 0 0 0/0

12 VTY - - - - - 0 0 0/0

A 1/6/00 Digital modem - inout - - - 0 0 0/0


* 1/6/02 Digital modem - inout - - - 0 0 0/0

* 1/6/03 Digital modem - inout - - - 0 0 0/01/6/04 Digital modem - inout - - - 0 0 0/0

1/6/05 Digital modem - inout - - - 0 0 0/0




Tty Typ Tx/Rx A Modem Roty AccO AccI Uses Noise Overruns









* 1/6/17 Digital modem - inout - - -

sw config

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