[c-nsp] ME3600 BFD flapping

[Ramji Vasudevan (ramji)]

Jure,

Can you get the output of "sh bfd neighbors detail"  3 times in succession? Also, dump "sh platform ho-fpga tx-buffer-table de 1" (will need service internal). Please do unicast the logs to me. 

Thanks,

Ramji Vasudevan
Manager, SW Development
Service Provider Access Group (SPAG)
ramji at cisco.com

-----Original Message-----
From: cisco-nsp [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Waris Sagheer (waris)
Sent: Wednesday, August 27, 2014 5:38 AM
To: jure brkljacic; Jon Harald Bovre
Cc: cisco-nsp at puck.nether.net
Subject: Re: [c-nsp] ME3600 BFD flapping

Jure,
Do you have a class in your policy to classify prec 6 and 7 traffic and allocate 5% of bandwidth?

Best Regards,

[http://www.cisco.com/web/europe/images/email/signature/horizontal06.jpg]

Waris Sagheer
Technical Marketing Manager
Service Provider Access Group (SPAG)
waris at cisco.com<mailto:waris at cisco.com>
Phone: +1 408 853 6682
Mobile: +1 408 835 1389

CCIE - 19901


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From: jure brkljacic <zblajhani at gmail.com<mailto:zblajhani at gmail.com>>
Date: Tuesday, August 26, 2014 at 6:29 AM
To: Jon Harald Bovre <ccie at bovre.no<mailto:ccie at bovre.no>>
Cc: "cisco-nsp at puck.nether.net<mailto:cisco-nsp at puck.nether.net>" <cisco-nsp at puck.nether.net<mailto:cisco-nsp at puck.nether.net>>
Subject: Re: [c-nsp] ME3600 BFD flapping

Hi,

We have BDF sessions enabled on VLAN (SVI interfaces) and no ip redirects command is configured

Br Jure


On Tue, Aug 26, 2014 at 3:21 PM, Jon Harald Bovre <ccie at bovre.no<mailto:ccie at bovre.no>> wrote:

We have seen missing 'no ip redirects' on the interface to cause problems.
In addition to too agressive timers om radio and serial links.

Jon Harald Bøvre
------------------------------
Fra: jure brkljacic <zblajhani at gmail.com<mailto:zblajhani at gmail.com>>
Sendt: 26.08.2014 14:03
Til: cisco-nsp at puck.nether.net<mailto:cisco-nsp at puck.nether.net>
Emne: [c-nsp] ME3600 BFD flapping

Hi,

We have a huge problems with BFD flapping on ME3600.It`s random event on two 3600 connected to the "same" end system.

a.) First we thought that interface output drops causing BFD flapping.Than we configure a
      a output queue policy to eliminate interface output drops. BFD flapping still there :(

Code running:me360x-universalk9-mz.153-3.S3
Number of BFD sessions: ~35
timers:150 multiplier 3
CPU:~10%

Any help will be greatly appreciated.
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