[j-nsp] Broadcast storm on M7i fxp0 kills the CFEB?

2012-06-22 Thread Phil Mayers
All, Yesterday, an error caused a loop in our OOB network. This resulted in one of our route reflectors failing, badly. Apparently, the broadcast storm caused the CFEB to die. Both 1GE ports went link-down, which is understandable since the CFEB actually seems to have rebooted:

Re: [j-nsp] Broadcast storm on M7i fxp0 kills the CFEB?

2012-06-22 Thread Amos Rosenboim
Hello Phil, I have seen this happen a few times and with different platforms. A good way to avoid this is to configure policing on the OOB switches ports facing the REs. Regards Amos Sent from my iPhone On 22 Jun 2012, at 15:16, Phil Mayers

Re: [j-nsp] Broadcast storm on M7i fxp0 kills the CFEB?

2012-06-22 Thread Phil Mayers
On 22/06/12 13:29, Amos Rosenboim wrote: Hello Phil, I have seen this happen a few times and with different platforms. A good way to avoid this is to configure policing on the OOB switches ports facing the REs. Unfortunately, our OOB network is constructed from older, repurposed equipment. I

Re: [j-nsp] Broadcast storm on M7i fxp0 kills the CFEB?

2012-06-22 Thread Clarke Morledge
Phil, Actually, I am not surprised that this happened to you. The fxp0 interface is a funny animal. It isn't really as isolated from the rest of the box as you would think. Since all IP broadcast/multicast on layer3 interfaces get sent to the RE by default, if you get a loop that starts

Re: [j-nsp] Broadcast storm on M7i fxp0 kills the CFEB?

2012-06-22 Thread joel jaeggli
On 6/22/12 6:28 AM, Phil Mayers wrote: On 22/06/12 13:29, Amos Rosenboim wrote: Hello Phil, I have seen this happen a few times and with different platforms. A good way to avoid this is to configure policing on the OOB switches ports facing the REs. Unfortunately, our OOB network is