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Redistributing routes from OSPF into BGP vrf

Joseph Lombardo
Level 1
Level 1

I have a device that is using BGP to learn a default route and redistribute that route into two VRFs (VRF_24 and VRF_25)

I need to use OSPF on the same router to learn a route from an appliance and redistribute that route to both VRFs.

Below is an example of the current config and the proposed config to make this work.

Will the proposed config that I have posted below work?

Is there a better way to accomplish this?

 

Example of current BGP config on router

!
!
!
router bgp 63302
 bgp log-neighbor-changes
 !
 address-family ipv4
  no auto-summary
  no synchronization
 exit-address-family
 !
 address-family ipv4 vrf VRF_25
  neighbor 10.100.100.10 remote-as 35502
  neighbor 10.100.100.10 description Router1
  neighbor 10.100.100.10 ebgp-multihop 255
  neighbor 10.100.100.10 timers 20 30 30
  neighbor 10.100.100.10 activate
  neighbor 10.100.100.10 weight 250
  neighbor 10.100.100.10 prefix-list defaultonly in
  no synchronization
 exit-address-family
 !
 address-family ipv4 vrf VRF_24
  neighbor 10.100.100.10 remote-as 35502
  neighbor 10.100.100.10 description Router1
  neighbor 10.100.100.10 ebgp-multihop 255
  neighbor 10.100.100.10 timers 20 30 30
  neighbor 10.100.100.10 activate
  neighbor 10.100.100.10 weight 250
  neighbor 10.100.100.10 prefix-list defaultonly in
  no synchronization
 exit-address-family
!
!
!

Proposed config to redistribute OSPF learned routes into VRF.

!!
!
access-list 10 remark OSPF redist filter
access-list 10 permit 10.254.54.100
access-list 10 deny   any
!
!
router ospf 200 vrf_24
 router-id 10.254.24.241
 log-adjacency-changes
 area 10 authentication message-digest
 passive-interface default
 no passive-interface Vlan24
 network 10.254.24.0 0.0.0.255 area 10
 distribute-list 10 in
 distribute-list 10 out
 neighbor 10.254.24.248 interface vlan24
!
router ospf 200 vrf_25
 router-id 10.254.25.241
 log-adjacency-changes
 area 10 authentication message-digest
 passive-interface default
 no passive-interface Vlan25
 network 10.254.25.0 0.0.0.255 area 10
 distribute-list 10 in
 distribute-list 10 out
 neighbor 10.254.25.248 interface vlan25
!
int vlan 25
 ip ospf network non-broadcast
 ip ospf message-digest-key 1 md5
 ip ospf authentication message-digest
!
!

Thanks for any suggestions.

Joe

 

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