Re: [j-nsp] OSPF neighbor Down :: without reason

2008-03-28 Thread Andrew Mulheirn
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

Re: [j-nsp] OSPF neighbor Down :: without reason

2008-03-28 Thread Keegan . Holley
://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

Re: [j-nsp] OSPF neighbor Down :: without reason

2008-03-28 Thread Stefan Fouant
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

Re: [j-nsp] OSPF neighbor Down :: without reason

2008-03-28 Thread Farhan Jaffer
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

Re: [j-nsp] OSPF neighbor Down :: without reason

2008-03-24 Thread Raymond Cheh
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

Re: [j-nsp] OSPF neighbor Down :: without reason

2008-03-24 Thread Stefan Fouant
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

[j-nsp] OSPF neighbor Down :: without reason

2008-03-23 Thread Farhan Jaffer
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