itp standard installation procedure v1.1

7/24/2019 ITP Standard Installation Procedure v1.1

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Version: 1.1Status: APPROVED

Author: Imro Landveld

i

ITP STANDARD INSTALLATIONPROCEDURE


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Table of ontents

1. Introdu!tion......................................................................................................... "#. is!o ITP Ima$e.............................................................................................. %&. '()is!o de*lo+ment.............................................................................. ,-. ITP Sta! Ar!hite!ture............................................................................... 1/". (E0ERAL ITP SETTI0(S...................................................................... 11. (E0ERAL SS% SETTI0(S.................................................................... 11%. SS% La+ers....................................................................................................... 1#%.1 O0TOLLER A0D I0TER2AE O02I(3RATIO0 4'TP1 and IP La+er5............1#%.# DE2I0I0( DATALI06S 4'TP# La+er5....................................................................1&%.& DE2I0I0( LI06SETS 4'TP& La+er5......................................................................1&

7. Enablin$ an AT' Interfa!e...................................................................... 1-,. Asso!iation O02I(3RATIO0 4STP and S3A La+er5.......1"1/. (TT SELETOR 4SP la+er5......................................................... 111. 'ulti8la+er S'S Routin$ Tri$$ers..................................................... 1%,.& (lobal onfi$uration...............................................................................................1%,.- 'ulti8la+er S'S Routin$ Table................................................................................1%,." Destination S'S Sele!tion...................................................................................1%

1#. 'onitorin$ the ITP..................................................................................... 171&. ITP ima$e u*date....................................................................................... #11-. Referen!es.................................................................................................... ##

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Prefa!e

Purpose

This do!ument !an be used as $uideline to !onfi$ure the is!o ITP.

Audience

This do!ument is intended for en$ineers 9ho are e*e!ted to be familiar 9ith the S'S and need to

!onne!t it to the ITP.

Scope

This do!ument is intended to be a user $uide to !onfi$ure the is!o ITP.

Organisation

This do!ument is divided into nine !ha*ters:

ha*ter 1 Abbreviation.

ha*ter #811 fo!uses on !onfi$uration of the ITP.

ha*ter 1#81& handles 'onitorin$ and Ima$e 3*date.

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Typographic Conventions

In this do!ument; the follo9in$ t+*o$ra*hi! !onventions are used.

Table P81: T+*o$ra*hi! !onventions

Typeface orSymbol

Meaning Example

Courier The names of commands,

files, directories; computer

output

The directory smsc$root:

[srcref]contains

Placeholder for variable text;

must be replaced by an

appropriate value which is

explained in the text

Type:

$ type

Where is the

configuration file.

Ctrl Press the Control key and the

letter following it

simultaneously

Type Ctrl-Y to cancel the

operation.

Italic New words or terms

requiring emphasis

The new number portability

is equivalent to

[] Reference to external

documentation, listed in

References chapter.

[REQUIREMENTS]

\ Used to specify line

continuation; ignore them

when you type the example

and press Return only after

the last line.

PML> CREATE SMH EN \

SMH00 /NOD=SMSC1

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1. Introduction

Cisco IP Transfer Point (ITP) is a hardware and software SS7-over-IP (SS7oIP) solution. ITP provides

a highly reliable cost effective !ediu! for !igrating Signaling Syste! 7 (SS7) the teleco!!unications

networ" signaling technology to the !obile wireless industry IP environ!ent.

A!ron+ms; and terms that ma+ not be readil+ understood.

AAL5 #T$ adaptation layer %.(physical)

AS An A**li!ation Server 4AS5 is a lo$i!al entit+ servin$ a s*e!ifi! Routin$ 6e+.

ASP An A**li!ation Server Pro!ess 4ASP5 is an IP8based instan!e of an a**li!ation server; su!h as all A$ents;

.

MBR 'AP8?ased Routin$ or 'ulti8la+er Routin$.

MIN 'obile Identifi!ation 0umber. The 1/8di$it 0orth Ameri!an 0umberin$ Plan number assi$ned to mobileusers in IS8-1 net9ors.

MO 'obile Ori$inated. This term is used to refer to an S'S messa$e that is bein$ sent from an 'S to theS'S.

MS 'obile Subs!riber.

MT 'obile Terminated. This term is used to refer to an S'S messa$e that is bein$ sent from an S'S to an'S.

MTP 'essa$e Transfer Part La+ers 1 4*h+si!al5; # 4data5; and & 4net9or5 of the SS% si$nalin$ *roto!ol

MTP1 Level 1 of 'TP; !orres*ondin$ to the la+er 1 of OSI model.

MTP Level # of 'TP; !orres*ondin$ to the la+er # of OSI model.

MTP! Level & of 'TP; !orres*ondin$ to the la+er & of OSI model.

MTP!B Level & of 'TP; !orres*ondin$ to the la+er & of OSI model.42or AT'5

MPA SS% 'TP#83ser Peer8to8Peer Ada*tation La+er s*e!ified b+ the IET2 SI(TRA0 9orin$ $rou*; 9hi!h*rovides STP)IP based lins for 'TP&.

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M!UA SS% 'TP& 3ser Ada*tation La+er s*e!ified b+ IET2 SI(TRA0 9orin$ $rou* for 'TP& users lie IS3P.

NNI Network-Node Interface. (In ATM network)

P"C Permanent Virtual hannel

#SAAL Si$nallin$ AT' Ada*tion La+er ; s*e!ified in IT3 B.#1// CAT' Ada*tation La+er for Si$nallin$ 4SAAL5C that*rovides reliable trans*ort of si$nallin$ messa$es 4B.#,&15 bet9een *eer B.#,&1 entities. These si$nallin$messa$es are !arried over a PV.

RR Round Robin. A balan!in$ al$orithm that evenl+ distributes traffi! amon$ available servers.RSP Route S9it!h Pro!essor . Pro!essor board of the ITP

SCCP Si$nalin$ onne!tion ontrol Part. As *art of the SS% si$nalin$ *roto!ol; it *rovides !onne!tionless and!onne!tion8oriented net9or servi!es above 'TP Level &.

SCCOP Servi!e S*e!ifi! onne!tion Oriented Proto!ol.SSCOP is a reliable transport session of

signaling messages exchanged between two signaling peers on each side of the link. (In

ATM network)

SCP Servi!e ontrol Point. An element of an SS%8based Intelli$ent 0et9or 9hi!h *erforms various servi!efun!tions; su!h as number translation; !all setu* and tear do9n; et!.

SCTP Stream ontrol Transmission Proto!ol. A *roto!ol desi$ned b+ the Si$Tran 9orin$ $rou* of the IET2 to

trans*ort messa$es reliabl+ over IP net9ors. It has been s*e!ifi!all+ desi$ned 9ith PST0 si$nalin$ inmind; but is meant to be a $eneral IP trans*ort *roto!ol.

SG Si$nalin$ (ate9a+.

SME Short 'essa$e Entit+. An entit+ that ma+ send or re!eive short messa$es; and ma+ be fied or mobile.

SMS Short 'essa$e Servi!e; as defined in (S'=-> and IS8-18D=&>

SMSC Short 'essa$e Servi!e enter. 0et9or element res*onsible for rela+in$ and store8and8for9ardin$ of shortmessa$es.

SSC$-NNI Servi!e S*e!ifi! oordination 2un!tion for the su**ort of si$nalin$ at the 00I.SS2 allo9s the 30I

La+er to start)sto* an SSOP session and to send)re!eive si$nalin$ messa$es. 4In AT'net9or5

SSP Servi!e S9it!hin$ Point. An element of an SS%8based Intelli$ent 0et9or that *erforms !all ori$ination;termination; or tandem s9it!hin$.

STP Si$nal Transfer Point. An element of an SS%8based Intelli$ent 0et9or that *erforms routin$ of the SS%si$nalin$.

SUA SS% SP 3ser Ada*tation La+er s*e!ified b+ IET2 SI(TRA0 for SP users; lie (S' 'AP; 3'TSRA0AP; D'A IS8-1; D'A IS8&-; I0 I0AP; A'EL AP.

TCAP Transa!tion a*abilit+ A**li!ation Part. The a**li!ation la+er of the SS% si$nalin$ *roto!ol.

%RR ei$hted Round Robin. A variation of the round robin al$orithm that uses server 9ei$hts to allo9 unevendistribution of traffi! amon$ a set of available servers.


7/23

. Ci&co ITP I'(g)

++

MSU&)c SS*4 /in0&

*5++

! MSU&)c SS*1 MSU&)c SUA

* /in0&

,++

15 MSU&)c SS*4 /in0&

Not) do2n/o(d 3ro' t) So/ution SIP CD i'(g) MB66 to t) ITP

*!++, MSU&)c SS*1, /in0&

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A T2TP server is needed to do9nload the ima$e to the ITP. 3se the is!o T2TPserver tool*a!a$e4T2TPSERV.EE5 to install on a indo9s P.

A is!o !onsole !able 4flat bla! or blue !able 9ith a D?, !onne!tor and RF-" *lu$5 is needed for a serial!onne!tion bet9een a P and the ITP for first time !onfi$uration.

A ross!able must be available for ethernet !onne!tion bet9een P and ITP .

St)7 1 In&t(// ( T$TP S)r8)r

A Trival 2ile Transfer Proto!ol 4T2TP5 server or a Remote o*+ Proto!ol 4RP5 server a**li!ation must beinstalled on a TP)IP8read+ 9orstation or P. On!e the a**li!ation is installed; a minimal level of !onfi$urationmust be *erformed.

1. The T2TP a**li!ation must be !onfi$ured to o*erate as a T2TP serveras o**osed to a T2TP client.#. The outbound file dire!tor+ must be s*e!ified. This is the dire!tor+ in 9hi!h the is!o IOS soft9are

ima$es are stored 4see ste* # belo95. 'ost T2TP a**li!ations *rovide a set8u* routine to assist in these!onfi$uration tass.

Not) A number of T2TP or RP a**li!ations are available from inde*endent soft9are vendors or asshare9are from *ubli! sour!es on the orld ide eb.

Ci&co IOS T$TP c/i)ntThe is!o IOS T2TP !lient re@uests the ima$e several times and ea!h time the transfer is started over; +ou see

state errors or other errors on +our T2TP server. State errors on the T2TP server are *erfe!tl+ normal. The T2TP!lient !he!s to mae sure the file is valid for that *latform and that the file s+stem it is bein$ saved to hasenou$h s*a!e. The transfer is sto**ed to do those !he!s. This is trans*arent to the *erson on the router; but theT2TP server ma+ *rint errors about this. If a 2ailed 4State Error5 is re*orted b+ the T2TP server soft9are 9hileu*$radin$ the is!o IOS soft9are; and the is!o IOS soft9are file transfer is su!!essfull+ !om*leted; then this isdue to a !osmeti! soft9are bu$ and !an be safel+ i$nored.

If a 2ailed 4State Error5 is re*orted 9hile usin$ the is!o T2TP server soft9are and the is!o IOS soft9are filetransfer !annot be !om*leted; the T2TP server soft9are ma+ be !rashin$. If this ha**ens; on the T2TP serversoft9are; $o to CVie9C and then CO*tionsC. 3nsele!t the Csho9 file transfer *ro$ressC and unsele!t Cenablelo$$in$C. Then tr+ the file transfer a$ain.

$igur) 1 T2TP Server eam*le

.St)7 Do2n/o(d t) Ci&co IOS So3t2(r) I'(g)

'ae shure that the ima$e is in the T2TP server root dire!tor+.Do9nload the is!o IOS Soft9are ima$es from the P to the ITP 9ith the !ommand:# copy tftp: image_nameUse IP-address of the PC if the tool request for a host name

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!. CMGCi&co d)7/o9')nt

$igur) - CMGCi&co d)7/o9')nt

2i$ure #sho9s the '( S'S 9ith t9o 2EPs and one ITP. The S'S is !ommuni!atin$ 9ith a 'obile S9it!hin$ enter4'S5 via the ITP.

The S'S is addressed b+ the 'S usin$ the $lobal E.1- address. Ea!h 2EP !an also individuall+ be addressed via itso9n uni@ue E.1- address.

In the ITP !onfi$uration ea!h 2EP is re*resented b+ an ASP 4named 2EP5. The S'S is re*resented in this eam*le b+ t9oASGes. One AS !an !onsist of one or more ASPGs for load balan!in$ ne9 TAP transa!tions bet9een the 2EPs. Ea!h 2EP isre*resented in this eam*le b+ an AS 4named AS8S'S5 for the dire!t routin$ of messa$es asso!iated 9ith eistin$ TAPtransa!tions.

In the ITP !onfi$uration; AS8S'S is defined 9ith a routin$ e+ !om*rised an SS% *oint !ode 4P5 and subs+stem number4SS05 and in!ludes one or more 2EP ASPs. The ITP 9ill have a $lobal title translation 4(TT5 table entr+ that ma*s E.1-address to P and SS0. Re*resentin$ the S'S 9ith a PHSS0 allo9s the ITP to advertise the S'S state to othernet9or nodes 4!on!erned *oint !odes5.

The definition of ea!h 2EP AS 9ill have a routin$ e+ of global titleand 9ill onl+ in!lude that 2EPGs ASP. There 9ill be a (TTtable entr+ that ma*s ea!h 2EP E.1- address to the 2EPGs AS name.

?elo9 is a ste*8b+8ste* !onfi$uration of the ITP asso!iated 9ith the s!enario des!ribed above:

AS-SMSC1

ITP1

STPasso!iationSS% lin

1/.1/.1/."/

1/.1/.1/."1

1/.1/.1/.111

FEP2

FEP1

E.164 = 31654075000Unique Address

PC = 750

E.164 = 31654076000Unique Address

AS-SMSC2

E.164 = 31654077000Global Address

SS7

Linset m$ts8hlr P //

Linset m$ts8ms! P %//

1/.1/.1/.#11

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4. ITP St(c0 Arcit)ctur)

$igur) ! - ITP St(c0 Arcit)ctur)

The la+ers in 2i$ure & 8 ITP Sta! Ar!hite!ture9ill be used to e*lain the !onfi$uration of the ITP. 2irst a summar+ of thebasi! in*ut information is $iven; follo9ed b+ la+er !onfi$uration; startin$ 9ith hard9are 4AAL"; 'TP1 and IP5.

T) 3o//o2ing in3or'(tion& (r) n))d)d to con3igur) t) ITP

SMSC0umber of S'SGs and IP% entities; to determine the number of ASGs and ASPGs.Lo!al *ort and address of the S'S; needed for asso!iation setu* 9ith ITP.Remote *ort and address of the ITP; needed for asso!iation setu* 9ith ITP.

(lobal S'S address; for (lobal Title Translation 4(TT5.3ni@ue S'S address; for (TT in!ase more then one S'S is involve.

ITPITP model 4#"1; %#/-); %"/%)1&5; for !ontroller and interfa!eSS% flavor; 4A0SI; IT3;


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The @uestion mar 45 ma+ be used for hel* on !ommands.

5. GENERAL ITP SETTINGS

In this se!tion; settin$s are des!ribed that are needed to mana$e the ITP.On!e this !onfi$uration is done; via the onsole *ort; telnet sessions !an be made to mana$e the ITP.

$igur) 4 - ITP G)n)r(/ in3or'(tion

,. GENERAL SS* SETTINGS

In this se!tion; the SS% flavor and related items are !onfi$ured.On!e this is done; this router behaves as an ITP.The se!ondar+8*! is onl+ needed if the ITP; and also the S'S; should be rea!hable via t9o Point odes.In !ase of mated *air; there should be a !a*abilit+8*!

$igur) 5 - G)n)r(/ SS* &)tting&

service timestamps debug datetime msec localtimeservice timestamps log datetime msec localtimeno service password-encryptionno service single-slot-reload-enable!hostname IP"# $e%ample of hostname&!boot system flash dis'#(rsp-itpv-m)*#+#+,+ $oad a given IP image&no logging console $.o not log to console&enable password secret $/anagement password&!ip subnet-)ero

ip cefip classlessip route #*#*#*# #*#*#*# ,#*,+0*,"*, $IP default gateway1if needed&no ip http serverip pim bidir-enable!line con #e%ec-timeout # #line au% #line vty # 2e%ec-timeout # #password secretlogin!!

no ip domain-loo'up

!cs variant IU $345I1IU1C6I43&cs networ'-name ogicaC/7 55oIPcs point-code format ,2 $,2 for IU 1 02 for 345I&cs point-code "# $Point code of IP&! cs secondary-pc ", $If needed1 a secondary-pc may be configured&! cs capability-pc 8"# $In case of mated pair&

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*. SS* L(9)r&

To *ut a lin in servi!e; the follo9in$ ste*s must be follo9ed:1 ontroller and Interfa!e !onfi$uration

1.1 Lo9 S*eed Lin Serial or hanneliMed 4'TP# En!a*sulation51.# ast9thernet Interface port #&ip address ,#*,#*,#*,,, 0""*0""*00"*,08full-duple%

!!interface FastEthernet4/0/0 $5lot 4,P3 :ay #1 >ast9thernet Interface port #&ip address ,#*,#*,#*0,, 0""*0""*0""*,08full-duple%!

1#


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*. DE$INING DATALIN=S ;MTP L(9)r9P, "#, "#, sua $35P with ocal and


16/23

1. GTT SELECTOR ;SCCP /(9)rigure ," @ monitoring55 lin's

$igur) 15 @ 'onitoring SS* /in0&

>or 55 monitoring of the IP at a glance1 perform the command in >igure ,= @ 55 monitoring

$igur) 1, @ SS* 'onitoring (t ( g/(nc)

+-7507.sho( cs7 lin"set

lsnHsmlg00 apcH#, stateHavail avail?lin'sH,=?,= 5C Interface 5ervice Peer5tate Inhib ## 5erial,?#?,(# avail --------- ----- #, 5erial,?#?,(, avail --------- -----

lsnHIP0=", apcH8"# stateHavail avail?lin'sH,?, 5C Interface 5ervice Peer5tate Inhib ## 5erial,?#?2(, avail --------- -----

+-7507.sho cs7 lin"set brieflsnHsmlg00 apcH#, stateHavail avail?lin'sH,=?,=lsnHIP0=", apcH8"# stateHavail avail?lin'sH,?,

+-7507.sho( cs7 lin" utiliationlsnHsmlg0, apcH## stateHavail avail?lin'sH,?, in' Utili)ation hresholds Plan-capacity bps 5C


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1!. ITP i'(g) u7d(t)

11.1 C)c0 R)dund(nc9ITP%"/%Qsho9 redundan!+O*eratin$ mode is sim*leredundan!+ mode hsaA!tive in slot #Standb+ in slot &The s+stem total u*time sin!e last reboot is & hours " minutes.The s+stem has e*erien!ed / s9it!hovers.

11. Con3iguring RSP R)dund(nc9 ;RPR

itp standard installation procedure v1.1

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