storm or ARP poisoning of a.b.c.d's address maybe?
Just a few random thoughts.
Andrew
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of [EMAIL PROTECTED]
Sent: 28 March 2008 16:39
To: Farhan Jaffer
Cc: [EMAIL PROTECTED]; juniper-nsp@puck.nether.net
://www.availability.sungard.com
"Farhan Jaffer" <[EMAIL PROTECTED]>
Sent by: [EMAIL PROTECTED]
03/28/08 12:13 PM
To
"Stefan Fouant" <[EMAIL PROTECTED]>
cc
juniper-nsp@puck.nether.net
Subject
Re: [j-nsp] OSPF neighbor Down :: without reason
This looks like a phys
Sure, there could be many reasons such as mismatched Hello or Dead timers,
duplicate Router IDs, OSPF HELLOs not being processed due to lack of CPU
resources, underlying L2 problems preventing the Hellos from being received,
MTU mismatch, receipt of an unexpected Database Descriptor sequence
number
Thanks for all comments.
But these logs are valuable if it happens again. I am running this n/w
more than 2 yrs now. And this is first time OSPF neighbor failed
without any apparent reason.
My question is, Is there any other reasons other than media to flapped
neighbor relationship?
Thanks again
Stefan Fouant wrote:
>Can you '*set flag event detail*' on the traceoptions within 'protocols
>ospf'? You should be able to get a little more detailed information as to
>what is causing this problem.
>
>
Such traceoption is defintely useful.
From the 2 log messages below, it also seems that 1
Can you '*set flag event detail*' on the traceoptions within 'protocols
ospf'? You should be able to get a little more detailed information as to
what is causing this problem.
Stefan Fouant
On 3/24/08, Farhan Jaffer <[EMAIL PROTECTED]> wrote:
>
> Hi,
>
> I am running OSPF in my n/w. Yesterday on
Hi,
I am running OSPF in my n/w. Yesterday one neighbor got down & up
after few seconds, i couldn't get any idea from logs.
One side:
rpd[3120]: RPD_OSPF_NBRDOWN: OSPF neighbor a.b.c.d state changed from
Full to Down due to InActiveTimer (event reason: neighbor was inactive
and declared dead)
Ot
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