01-17-2018 04:27 PM - edited 03-01-2019 03:15 PM
I have the following configuration:
ip vrf CustA
rd 100:1
import ipv4 unicast map global2vrf
route-target export 1:1
route-target import 1:1
route-target import 2:2
router bgp 65008
bgp log-neighbor-changes
no bgp default ipv4-unicast
neighbor 140.142.41.9 remote-as 4500
neighbor 192.168.1.5 remote-as 65005
neighbor 192.168.1.5 ebgp-multihop 255
!
address-family ipv4
network 0.0.0.0
network 140.142.41.0 mask 255.255.255.0
neighbor 140.142.41.9 activate
exit-address-family
!
address-family vpnv4
neighbor 192.168.1.5 activate
neighbor 192.168.1.5 send-community both
exit-address-family
!
address-family ipv4 vrf CustA
network 128.208.90.0 mask 255.255.255.252
redistribute connected
exit-address-family
ip prefix-list global-acl seq 5 permit 0.0.0.0/0
ip prefix-list global-acl seq 10 permit 140.142.41.0/24
!
route-map global2vrf permit 10
match ip address prefix-list global-acl
ip route 0.0.0.0 0.0.0.0 140.142.41.9
---------------------------------------------------------------------------------
mixing#show ip bgp vpnv4 vrf CustA
BGP table version is 27, local router ID is 6.6.6.1
Status codes: s suppressed, d damped, h history, * valid, > best, i - internal,
r RIB-failure, S Stale, m multipath, b backup-path, f RT-Filter,
x best-external, a additional-path, c RIB-compressed,
Origin codes: i - IGP, e - EGP, ? - incomplete
RPKI validation codes: V valid, I invalid, N Not found
Network Next Hop Metric LocPrf Weight Path
Route Distinguisher: 100:1 (default for vrf CustA)
Import Map: global2vrf, Address-Family: IPv4 Unicast, Pfx Count/Limit: 2/1000
Export Map: vrf2global, Address-Family: IPv4 Unicast, Pfx Count/Limit: 0/1000
*> 0.0.0.0 140.142.41.9 0 32768 i
*> 1.1.1.0/24 192.168.1.5 409600 0 65005 ?
*> 10.1.1.0/24 192.168.1.5 0 0 65005 ?
*> 10.2.1.0/24 192.168.1.5 0 0 65005 ?
*> 10.10.10.0/24 192.168.1.5 409600 0 65005 ?
*> 30.30.30.0/24 192.168.1.5 409600 0 65005 ?
*> 128.208.90.0/30 0.0.0.0 0 32768 i
*> 128.208.90.4/30 0.0.0.0 0 32768 i
*> 140.142.41.0/24 0.0.0.0 0 32768 i
mixing#show ip bgp vpnv4 all neighbors 192.168.1.5 advertised-routes
BGP table version is 27, local router ID is 6.6.6.1
Status codes: s suppressed, d damped, h history, * valid, > best, i - internal,
r RIB-failure, S Stale, m multipath, b backup-path, f RT-Filter,
x best-external, a additional-path, c RIB-compressed,
Origin codes: i - IGP, e - EGP, ? - incomplete
RPKI validation codes: V valid, I invalid, N Not found
Network Next Hop Metric LocPrf Weight Path
Route Distinguisher: 100:1 (default for vrf CustA)
Import Map: global2vrf, Address-Family: IPv4 Unicast, Pfx Count/Limit: 2/1000
Export Map: vrf2global, Address-Family: IPv4 Unicast, Pfx Count/Limit: 0/1000
*> 128.208.90.0/30 0.0.0.0 0 32768 i
Route Distinguisher: 200:2 (default for vrf CustB)
*> 128.208.90.4/30 0.0.0.0 0 32768 i
Total number of prefixes 2
Why is 0.0.0.0/0 NOT advertised to its peer ?
01-17-2018 04:38 PM
Hi
Any prefix imported from other VRF or GRT will be treated as iBGP learnt prefix and so it will not be advertised to other IBGP neighbor.
This is an expected behavior.
Regards
Naendra
01-17-2018 08:34 PM
It should be advertised to eBGP, right ?
01-17-2018 07:32 PM
thanks so much!!
Discover and save your favorite ideas. Come back to expert answers, step-by-step guides, recent topics, and more.
New here? Get started with these tips. How to use Community New member guide