Information Technology Reference
In-Depth Information
Example 10-48 Relevant Configurations on RR1 (Continued)
!
interface Ethernet0/0
ip address 192.168.35.3 255.255.255.0
tag-switching ip
!
interface Ethernet1/0
ip address 192.168.23.3 255.255.255.0
tag-switching ip
!
router ospf 3
log-adjacency-changes
network 192.168.0.0 0.0.255.255 area 0
!
router bgp 100
no synchronization
bgp router-id 192.168.100.3
no bgp default ipv4-unicast
bgp log-neighbor-changes
neighbor Internal peer-group
neighbor Internal remote-as 100
neighbor Internal update-source Loopback0
neighbor Internal activate
neighbor 192.168.100.2 peer-group Internal
neighbor 192.168.100.7 remote-as 200
neighbor 192.168.100.7 ebgp-multihop 5
neighbor 192.168.100.7 update-source Loopback0
no auto-summary
!
address-family vpnv4
neighbor 192.168.100.2 activate
neighbor 192.168.100.2 route-reflector-client
neighbor 192.168.100.2 send-community extended
neighbor 192.168.100.7 activate
neighbor 192.168.100.7 next-hop-unchanged
neighbor 192.168.100.7 send-community extended
no auto-summary
exit-address-family
Example 10-49 shows the relevant configurations on ASBR1. There is one BGP session
with IPv4 plus labels to ASBR2 (192.168.56.6). Two route maps (inbound and outbound)
are configured to control the prefixes and labels exchanged between the two autonomous
systems. Local loopback addresses are advertised to AS 200 via two network statements.
Loopback addresses from AS 200 are redistributed from BGP into OSPF.
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