BGP prefix is not in BGP/ IP routing table

[robin99]

HI guys, I am having issue on prefixes received from external BGP neighbor. I can see the number of prefixes received but they are not shown in the BGP or IP routing table. My device is Cisco WS-6509-E

with IOS 122-33.SXI4a.bin and using WS-SUP720-3B module.

For example:

core-sw01#sh ip bgp vpnv4 vrf ATLAS sum
Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd
10.100.200.46 4 12076 98 90 19504432 0 0 00:15:19 10

But when I execute CLI sh ip bgp vpnv4 vrf ATLAS neighbors 10.100.200.46 received-routes", I could not see the routes received from neighbor 10.100.200.46 in either BGP or IP routing table. 

Total number of prefixes 0 

The output from CLI "sh ip bgp vpnv4 vrf ATLAS neighbors 10.100.200.46" has following detail:

Sent Rcvd
Prefix activity: ---- ----
Prefixes Current: 4 10
Prefixes Total: 4 10
Implicit Withdraw: 0 0
Explicit Withdraw: 0 0
Used as bestpath: n/a 0
Used as multipath: n/a 0

there is no route filter from this ebGP neighbor. Any idea?

[Reza Sharifi]

Hi,

What is the output of "sh ip bgp vpnv4 vrf ATLAS"?

[Julio E. Moisa]

Hi

What you see when the following commands are executed:

show ip route vrf ATLAS

and 

sh ip bgp vpnv4 vrf ATLAS neighbors 10.100.200.46 routes 

Also try to execute: clear ip bgp * soft  and please try again

[robin99 · Accepted solution]

For some reason the BGP process stuck at half way and I managed to fix the issue by hard reset the BGP session. "clear ip bgp vrf ATLAS <AS#>". Hope this info helps