Re: BGP hold timer expired

Raghav,

Any drops within the Provider ?
Is it a pt to pt tunnel or Dmvpn ?

Check your PM stats or request the same from the SP.

Cant rule out possibility of a particular bug , if you are running an old
IOS.

Tharak Abraham Luke

On Tue, Mar 1, 2011 at 1:15 PM, Raghav Bhargava
<raghavbhargava12_at_gmail.com>wrote:

> Hey Experts
>
> I have been seeing this issue lately on my cisco 3945's. I have tried
> reading lots of docs but couldn't figure out a perfect solution for this
> problem. The issue is that on my ipsec tunnel, my bgp session drops. When i
> see the logs i see this message:
>
>
> *******************************************************************************************
>
> Feb 15 03:53:38 PST: %BGP-3-BGP_NO_REMOTE_READ: x.x.x.x connection timed
> out
> - has not accepted a message from us for 180000ms (hold time), 0 messages
> pending transmition.
> Feb 15 03:53:38 PST: %BGP-3-NOTIFICATION: sent to neighbor x.x.x.x active
> 4/0 (hold time expired) 0 bytes
> Feb 15 03:57:40 PST: %BGP-3-BGP_NO_REMOTE_READ: x.x.x.x connection timed
> out
> - has not accepted a message from us for 180000ms (hold time), 0 messages
> pending transmition.
> Feb 15 03:57:40 PST: %BGP-3-NOTIFICATION: sent to neighbor x.x.x.x active
> 4/0 (hold time expired) 0 bytes
> Feb 15 04:03:08 PST: %BGP-3-NOTIFICATION: sent to neighbor x.x.x.x active
> 4/0 (hold time expired) 0 bytes
> Feb 15 04:06:18 PST: %BGP-3-NOTIFICATION: sent to neighbor x.x.x.x 4/0
> (hold
> time expired) 0 bytes
> Feb 15 04:09:47 PST: %BGP-3-NOTIFICATION: sent to neighbor x.x.x.x 4/0
> (hold
> time expired) 0 bytes
> Feb 15 04:17:39 PST: %BGP-3-NOTIFICATION: received from neighbor x.x.x.x
> active 2/8 (no supported AFI/SAFI) 3 bytes 000000
> Feb 15 04:20:56 PST: %BGP-3-BGP_NO_REMOTE_READ: x.x.x.x connection timed
> out
> - has not accepted a message from us for 180000ms (hold time), 0 messages
> pending transmition.
>
>
> ***********************************************************************************************
>
> Few points :
>
> 1. I have tcp-mss set to 1400 on my ipsec tunnels on both ends.
> 2. I have not tweaked the bgp timers.
>
>
> Appreciate all the help.
>
>
> --
> Warm Regards
> Raghav
>
>
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Received on Tue Mar 01 2011 - 18:58:26 ART