alu-7750-bgp

LAB-1: BGP Alcatel-Lucent 7750 Service Router Author: Arif Romansyah

http://gembuls.wordpress.com 2

LAB-1: BGP

Configure Network Interface for BGP CLI Syntax: config>router

interface interface-name address ip-addr{/mask-length | mask} [broadcast {allones | host-ones}] cflowd {acl | interface} egress filter ip ip-filter-id filter ipv6 ipv6-filter-id ingress filter ip ip-filter-id filter ipv6 ipv6-filter-id

port port-name


R1: A:R1# configure router interface “system” A:R1>config>router>if# address 1.1.1.1/32 A:R1>config>router>if# no shutdown A:R1# configure router interface “Interface-to-R3” A:R1>config>router>if# address 10.100.10.2/30 A:R1>config>router>if# port 1/1/1 A:R1>config>router>if# no shutdown A:R1# configure router interface “Interface-to-R2” A:R1>config>router>if# address 172.16.1.1/30 A:R1>config>router>if# port 1/1/2 A:R1>config>router>if# no shutdown Display following configuration: A:R1>config>router# info interface "system" address 1.1.1.1/32 exit interface "Interface-to-R3" address 10.100.10.2/30 port 1/1/1 exit interface "Interface-to-R2" address 172.16.1.1/30 port 1/1/2 exit R2: A:R2# configure router interface “system” A:R2>config>router>if# address 2.2.2.2/32 A:R2>config>router>if# no shutdown A:R2# configure router interface “Interface-to-R3” A:R2>config>router>if# address 10.50.150.2/30 A:R2>config>router>if# port 1/1/1 A:R2>config>router>if# no shutdown A:R2# configure router interface “Interface-to-R1” A:R2>config>router>if# address 172.16.1.2/30 A:R2>config>router>if# port 1/1/2 A:R2>config>router>if# no shutdown Display following configuration: A:R2>config>router# info interface "system" address 2.2.2.2/32 exit


interface "Interface-to-R3" address 10.50.150.2/30 port 1/1/1 exit interface "Interface-to-R1" address 172.16.1.2/30 port 1/1/2 exit R3: A:R3# configure router interface “system” A:R3>config>router>if# address 3.3.3.3/32 A:R3>config>router>if# no shutdown A:R3# configure router interface “Interface-to-R1” A:R3>config>router>if# address 10.100.10.1/30 A:R3>config>router>if# port 1/1/1 A:R3>config>router>if# no shutdown A:R3# configure router interface “Interface-to-R2” A:R3>config>router>if# address 10.50.150.1/30 A:R3>config>router>if# port 1/1/2 A:R3>config>router>if# no shutdown Display following configuration: A:R3>config>router# info interface "system" address 3.3.3.3/32 exit interface "Interface-to-R1" address 10.100.10.1/30 port 1/1/1 exit interface "Interface-to-R2" address 10.50.150.1/30 port 1/1/2 exit

Configuring Autonomous-System Number R1: A:R1# configure router autonomous-system 12345

R3: A:R2# configure router autonomous-system 54321

R2: A:R2# configure router autonomous-system 12345


Configuring BGP R1: A:R1# configure router bgp group “IBGP” A:R1>config>router>bgp>group# description “Internal-BGP” A:R1>config>router>bgp>group# neighbor 172.16.1.2 A:R1>config>router>bgp>group>neighbor# peer-as 12345 A:R1>config>router>bgp>group>neighbor# local-as 12345 A:R1>config>router>bgp>group>neighbor# type internal A:R1>config>router>bgp>group>neighbor# family ipv4 A:R1>config>router>bgp>group>neighbor# next-hop-self A:R1# configure router bgp group “EBGP” A:R1>config>router>bgp>group# description “External-BGP” A:R1>config>router>bgp>group# neighbor 10.100.10.1 A:R1>config>router>bgp>group>neighbor# peer-as 54321 A:R1>config>router>bgp>group>neighbor# local-as 12345 A:R1>config>router>bgp>group>neighbor# type external A:R1>config>router>bgp>group>neighbor# family ipv4 ipv4-vpn Display following configuration: A:R1>config>router# info bgp group “Internal-BGP” neighbor 172.16.1.2 peer-as 12345 local-as 12345 type internal family ipv4 next-hop-self exit group “External-BGP” neighbor 10.100.10.1 peer-as 54321 local-as 12345 type external family ipv4 ipv4-vpn exit exit exit R1: A:R2# configure router bgp group “IBGP” A:R2>config>router>bgp>group# description “Internal-BGP” A:R2>config>router>bgp>group# neighbor 172.16.1.1 A:R2>config>router>bgp>group>neighbor# peer-as 12345 A:R2>config>router>bgp>group>neighbor# local-as 12345 A:R2>config>router>bgp>group>neighbor# type internal


A:R2>config>router>bgp>group>neighbor# family ipv4 A:R2>config>router>bgp>group>neighbor# next-hop-self A:R2# configure router bgp group “EBGP” A:R2>config>router>bgp>group# description “External-BGP” A:R2>config>router>bgp>group# neighbor 10.50.150.1 A:R2>config>router>bgp>group>neighbor# peer-as 54321 A:R2>config>router>bgp>group>neighbor# local-as 12345 A:R2>config>router>bgp>group>neighbor# type external A:R2>config>router>bgp>group>neighbor# family ipv4 ipv4-vpn Display following configuration: A:R2>config>router# info bgp group “Internal-BGP” neighbor 172.16.1.1 peer-as 12345 local-as 12345 type internal family ipv4 next-hop-self exit group “External-BGP” neighbor 10.50.150.1 peer-as 54321 local-as 12345 type external family ipv4 ipv4-vpn exit exit exit R3: A:R3# configure router bgp group “IBGP” A:R3>config>router>bgp>group# description “Internal-BGP” A:R3>config>router>bgp>group# neighbor 172.16.1.2 A:R3>config>router>bgp>group>neighbor# peer-as 12345 A:R3>config>router>bgp>group>neighbor# local-as 12345 A:R3>config>router>bgp>group>neighbor# type internal A:R3>config>router>bgp>group>neighbor# family ipv4 A:R3>config>router>bgp>group>neighbor# next-hop-self A:R3# configure router bgp group “EBGP” A:R3>config>router>bgp>group# description “External-BGP” A:R3>config>router>bgp>group# neighbor 10.100.10.1 A:R3>config>router>bgp>group>neighbor# peer-as 54321 A:R3>config>router>bgp>group>neighbor# local-as 12345 A:R3>config>router>bgp>group>neighbor# type external


A:R3>config>router>bgp>group>neighbor# family ipv4 ipv4-vpn Display following configuration: A:R3>config>router# info bgp group “Internal-BGP” neighbor 172.16.1.2 peer-as 12345 local-as 12345 type internal family ipv4 next-hop-self exit group “External-BGP” neighbor 10.100.10.1 peer-as 54321 local-as 12345 type external family ipv4 ipv4-vpn exit exit exit

Tools for Troubleshooting # show router bgp # show router bgp summary # show router bgp neighbor # show router bgp paths # show router bgp routes # show router bgp next-hop # show router bgp damping Sample Output: A:R1# show router bgp summary ============================================================================ BGP Router ID:1.1.1.1 AS:12345 Local AS:12345 ============================================================================ BGP Admin State : Up BGP Oper State : Up Total Peer Groups : 2 Total Peers : 2 Total BGP Paths : 68881 Total Path Memory : 11616056 Total IPv4 Remote Rts : 387104 Total IPv4 Rem. Active Rts : 387104 Total IPv6 Remote Rts : 0 Total IPv6 Rem. Active Rts : 0 Total Supressed Rts : 0 Total Hist. Rts : 0 Total Decay Rts : 0


Total VPN Peer Groups : 0 Total VPN Peers : 0 Total VPN Local Rts : 0 Total VPN-IPv4 Rem. Rts : 0 Total VPN-IPv4 Rem. Act. Rts: 0 Total VPN-IPv6 Rem. Rts : 0 Total VPN-IPv6 Rem. Act. Rts: 0 Total L2-VPN Rem. Rts : 0 Total L2VPN Rem. Act. Rts : 0 Total VPN Supp. Rts : 0 Total VPN Hist. Rts : 0 Total VPN Decay Rts : 0 Total MVPN-IPv4 Rem Rts : 0 Total MVPN-IPv4 Rem Act Rts : 0 Total MDT-SAFI Rem Rts : 0 Total MDT-SAFI Rem Act Rts : 0 =========================================================================== BGP Summary =========================================================================== Neighbor AS PktRcvd InQ Up/Down State|Rcv/Act/Sent (Addr Family) PktSent OutQ --------------------------------------------------------------------------- 101.101.101.2 12345 102955 0 17d22h13m 1/1/387103 (IPv4) 2995299 0 202.202.202.1 54321 3622510 0 35d13h16m 387103/387103/16 (IPv4) 103119 0 ============================================================================ A:R1# show router bgp neighbor ============================================================================ BGP Neighbor ============================================================================ ---------------------------------------------------------------------------- Peer : 172.16.1.2 Group : ibgp ---------------------------------------------------------------------------- Peer AS : 12345 Peer Port : 50867 Peer Address : 172.16.1.2 Local AS : 54321 Local Port : 179 Local Address : 172.16.1.1 Peer Type : Internal State : Established Last State : Established Last Event : recvKeepAlive Last Error : Cease Local Family : IPv4 Remote Family : IPv4 Hold Time : 90 Keep Alive : 30 Active Hold Time : 90 Active Keep Alive : 30 Cluster Id : None Preference : 170 Num of Update Flaps : 211 Recd. Paths : 17 IPv4 Recd. Prefixes : 1 IPv4 Active Prefixes : 1 IPv4 Suppressed Pfxs : 0 VPN-IPv4 Suppr. Pfxs : 0 VPN-IPv4 Recd. Pfxs : 0 VPN-IPv4 Active Pfxs : 0


Mc IPv4 Recd. Pfxs. : 0 Mc IPv4 Active Pfxs. : 0 Mc IPv4 Suppr. Pfxs : 0 IPv6 Suppressed Pfxs : 0 IPv6 Recd. Prefixes : 0 IPv6 Active Prefixes : 0 VPN-IPv6 Recd. Pfxs : 0 VPN-IPv6 Active Pfxs : 0 VPN-IPv6 Suppr. Pfxs : 0 L2-VPN Suppr. Pfxs : 0 L2-VPN Recd. Pfxs : 0 L2-VPN Active Pfxs : 0 MVPN-IPv4 Suppr. Pfxs: 0 MVPN-IPv4 Recd. Pfxs : 0 MVPN-IPv4 Active Pfxs: 0 MDT-SAFI Suppr. Pfxs : 0 MDT-SAFI Recd. Pfxs : 0 MDT-SAFI Active Pfxs : 0 Input Queue : 0 Output Queue : 0 i/p Messages : 102967 o/p Messages : 2995531 i/p Octets : 996432 o/p Octets : 149572028 i/p Updates : 498 o/p Updates : 2893036 TTL Security : Disabled Min TTL Value : n/a Graceful Restart : Disabled Stale Routes Time : n/a Advertise Inactive : Disabled Peer Tracking : Disabled Advertise Label : None Auth key chain : n/a Bfd Enabled : Disabled L2 VPN Cisco Interop : Disabled Local Capability : RtRefresh MPBGP 4byte ASN Remote Capability : RtRefresh MPBGP 4byte ASN Import Policy : None Specified / Inherited Export Policy : None Specified / Inherited ---------------------------------------------------------------------------- Peer : 10.100.10.1 Group : ebgp ---------------------------------------------------------------------------- Peer AS : 54321 Peer Port : 179 Peer Address : 202.202.202.1 Local AS : 12345 Local Port : 50316 Local Address : 202.202.202.2 Peer Type : External State : Established Last State : Active Last Event : recvKeepAlive Last Error : Cease Local Family : IPv4 VPN-IPv4 Remote Family : IPv4 Hold Time : 90 Keep Alive : 30 Active Hold Time : 90 Active Keep Alive : 30 Cluster Id : None Preference : 170 Num of Update Flaps : 9460526 Recd. Paths : 2512764 IPv4 Recd. Prefixes : 387067 IPv4 Active Prefixes : 387067 IPv4 Suppressed Pfxs : 0 VPN-IPv4 Suppr. Pfxs : 0 VPN-IPv4 Recd. Pfxs : 0 VPN-IPv4 Active Pfxs : 0 Mc IPv4 Recd. Pfxs. : 0 Mc IPv4 Active Pfxs. : 0 Mc IPv4 Suppr. Pfxs : 0 IPv6 Suppressed Pfxs : 0 IPv6 Recd. Prefixes : 0 IPv6 Active Prefixes : 0 VPN-IPv6 Recd. Pfxs : 0 VPN-IPv6 Active Pfxs : 0


VPN-IPv6 Suppr. Pfxs : 0 L2-VPN Suppr. Pfxs : 0 L2-VPN Recd. Pfxs : 0 L2-VPN Active Pfxs : 0 MVPN-IPv4 Suppr. Pfxs: 0 MVPN-IPv4 Recd. Pfxs : 0 MVPN-IPv4 Active Pfxs: 0 MDT-SAFI Suppr. Pfxs : 0 MDT-SAFI Recd. Pfxs : 0 MDT-SAFI Active Pfxs : 0 Input Queue : 0 Output Queue : 0 i/p Messages : 3622840 o/p Messages : 103132 i/p Octets : 352757880 o/p Octets : 1968148 i/p Updates : 3511304 o/p Updates : 425 TTL Security : Disabled Min TTL Value : n/a Graceful Restart : Disabled Stale Routes Time : n/a Advertise Inactive : Disabled Peer Tracking : Disabled Advertise Label : None Auth key chain : n/a Bfd Enabled : Disabled L2 VPN Cisco Interop : Disabled Local Capability : RtRefresh MPBGP 4byte ASN Remote Capability : RtRefresh MPBGP 4byte ASN Import Policy : None Specified / Inherited Export Policy : test ---------------------------------------------------------------------------- Neighbors : 2 ============================================================================

alu-7750-bgp

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