cancel
Showing results for 
Search instead for 
Did you mean: 
cancel
Announcements

1003
Views
5
Helpful
2
Replies
Highlighted

BGP Flapping

Log:

Spoiler
*Dec 12 05:25:39.015: %BGP-3-NOTIFICATION: sent to neighbor 10.99.142.93 4/0 (hold time expired) 0 bytes
*Dec 12 05:25:39.015: %BGP-5-NBR_RESET: Neighbor 10.99.142.93 reset (BGP Notification sent)
*Dec 12 05:25:39.015: %BGP-5-ADJCHANGE: neighbor 10.99.142.93 vpn vrf WS Down BGP Notification sent
*Dec 12 05:25:39.015: %BGP_SESSION-5-ADJCHANGE: neighbor 10.99.142.93 IPv4 Unicast vpn vrf WS topology base removed from session  BGP Notification sent
*Dec 12 05:25:39.773: %BGP-5-ADJCHANGE: neighbor 10.99.142.93 vpn vrf WS

BGP Configuration:

Spoiler
router bgp 65002
 !        
 address-family ipv4 vrf WS
  neighbor 10.99.142.93 remote-as 65009
  neighbor 10.99.142.93 activate
  neighbor 10.99.142.93 soft-reconfiguration inbound
 exit-address-family

WS# ping vrf WS 10.99.142.93 siz 1496 df- rep 1000:

Spoiler
Success rate is 100 percent (1000/1000), round-trip min/avg/max = 2/39/971 ms

WS# sho ip bgp vpnv4 vrf WS neighbors

Spoiler
  Last read 00:00:39, last write 00:00:15, hold time is 90, keepalive interval is 30 seconds > both sides

WS# debug bgp vrf WS all

Spoiler
*Dec 12 05:04:13.015: BGP: 10.99.142.93 connection timed out 90628ms (last update) 90000ms (hold time)
*Dec 12 05:04:13.015: BGP: 10.99.142.93 went from Established to Closing
*Dec 12 05:04:13.015: %BGP-3-NOTIFICATION: sent to neighbor 10.99.142.93 4/0 (hold time expired) 0 bytes
*Dec 12 05:04:13.015: BGP: ses WS 10.99.142.93 (0xC562F930:1) Send NOTIFICATION 4/0 (hold time expired) 0 bytes
*Dec 12 05:04:13.015: BGP: 10.99.142.93 local error close after sending NOTIFICATION
*Dec 12 05:04:13.015: %BGP-5-NBR_RESET: Neighbor 10.99.142.93 reset (BGP Notification sent)
*Dec 12 05:04:13.015: BGP: nbr_topo WS 10.99.142.93 VPNv4 Unicast:base (0xC562F930:1) NSF delete stale NSF not active
*Dec 12 05:04:13.015: BGP: nbr_topo WS 10.99.142.93 VPNv4 Unicast:base (0xC562F930:1) NSF no stale paths state is NSF not active
*Dec 12 05:04:13.015: BGP: nbr_topo WS 10.99.142.93 VPNv4 Unicast:base (0xC562F930:1) Resetting ALL counters.
*Dec 12 05:04:13.015: BGP: 10.99.142.93 closing

How should I do?

 

 

Thank you very much.

Everyone's tags (5)
1 ACCEPTED SOLUTION

Accepted Solutions

Re: BGP Flapping

I reloaded the other side. :-D

View solution in original post

2 REPLIES 2
VIP Mentor

Re: BGP Flapping

Hello,

 

what is in between these two BGP neighbors ? Are they directly connected ? Post the output of 'show ip bgp neighbors x.x.x.x' from both sides...

Re: BGP Flapping

I reloaded the other side. :-D

View solution in original post

CreatePlease to create content
Content for Community-Ad
August's Community Spotlight Awards