Reachability issue between IOS and XR in the same VRF

Hi,

 

I am having a reachibility issue between IOS and XR routers in the same VRF. I can ping between routers running IOS (or routers running XR) but NOT between them.

 

Below is the sample config.

 

router bgp 1009
 no bgp default ipv4-unicast
 no bgp default route-target filter
 bgp log-neighbor-changes
 neighbor 9.9.0.1 remote-as 1009
 neighbor 9.9.0.1 update-source Loopback0
  !
 address-family ipv4
  no synchronization
  neighbor 9.9.0.1 activate
  neighbor 9.9.0.1 send-community extended
  no auto-summary
 exit-address-family
 !
 address-family vpnv4
  neighbor 9.9.0.1 activate
  neighbor 9.9.0.1 send-community extended
 exit-address-family
 !
 !
 address-family ipv4 vrf ABC
  no synchronization
  network 172.9.0.9 mask 255.255.255.255
  redistribute connected
  redistribute eigrp 100
 exit-address-family
 !
 =======================================================

 

router bgp 1009
 address-family ipv4 unicast
  network 9.9.0.1/32
 !
 address-family vpnv4 unicast
 !
 address-family ipv6 unicast
  network 2002:9:9::1/128
 !
 address-family vpnv6 unicast
 !
 address-family ipv4 mdt
 !
  !
 neighbor 9.9.0.9
  remote-as 1009
  update-source Loopback0
  address-family ipv4 unicast
   route-reflector-client
   next-hop-self
  !
  address-family vpnv4 unicast
   route-reflector-client
  !
  address-family vpnv6 unicast
   route-reflector-client
  !
 !
 vrf ABC
  rd 1009:9
  address-family ipv4 unicast
   network 172.9.0.1/32
   redistribute static
  !
  address-family ipv6 unicast
   network 2002:172:9::1/128

Comments

  • Hi Huzefa,

    I saw 2 notice points:

    - First: why did you advertise network 9.9.0.1 which is BGP neigbour address of IOS router?

    - Second: IOS router was not RR, therefore you not need configure no bgp default route-target filter

     

    Have fun.

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