I am trying to establish a BGP session between a Cisco 7600 and Juniper MX960, but this always stucks in OpenConfirm state.
access-4#show ip bgp v v VRF1 neighbors 166.63.168.197
BGP neighbor is 166.63.168.197, vrf VRF1, remote AS 5555, local AS 65533, external link
BGP version 4, remote router ID 195.2.1.21
BGP state = OpenConfirm
Last read 00:02:27, last write 00:02:27, hold time is 180, keepalive interval is 60 seconds
Message statistics:
InQ depth is 0
OutQ depth is 0
Sent Rcvd
Opens: 4 4
Notifications: 2 1
Updates: 0 0
Keepalives: 4 0
Route Refresh: 0 0
Total: 10 5
Default minimum time between advertisement runs is 30 seconds
debugging tcp packets
May 12 13:58:07.531 bst: TCP src=54912, dst=179, seq=1766275951, ack=1681278050, win=17520 ACK PSH
May 12 13:58:07.535 bst: IP: tableid=2, s=166.63.168.198 (local), d=166.63.168.197 (Vlan20), routed via FIB
May 12 13:58:53.883 bst: IP: tableid=2, s=166.63.168.198 (local), d=166.63.168.197 (Vlan20), routed via FIB
May 12 13:58:59.359 bst: IP: s=166.63.168.197 (Vlan20), d=166.63.168.198, len 61, rcvd 2
May 12 13:58:59.359 bst: TCP src=54912, dst=179, seq=1766276010, ack=1681278050, win=17520 ACK PSH FIN
May 12 13:58:59.359 bst: IP: tableid=2, s=166.63.168.198 (local), d=166.63.168.197 (Vlan20), routed via FIB
May 12 13:58:59.359 bst: %BGP-3-NOTIFICATION: received from neighbor 166.63.168.197 4/0 (hold time expired) 0 bytes
ICMP works fine.
It is same on JUniper end. Sending keepalives but cannot receive
###interface config
interface Vlan20
ip vrf forwarding VRF1
ip address 166.63.168.198 255.255.255.252
no ip redirects
no ip proxy-arp
load-interval 30
end
###bgp config
neighbor 166.63.168.197 remote-as 5555
neighbor 166.63.168.197 local-as 65533
neighbor 166.63.168.197 ebgp-multihop 5
neighbor 166.63.168.197 update-source Vlan20
neighbor 166.63.168.197 activate
neighbor 166.63.168.197 soft-reconfiguration inbound
