[f-nsp] Super-X

[Kennedy, Joseph]

07.2.00T3e5 (FEv2) is the BootROM version not the running image. Latest code release for SX is 07.2.02k. If you enter "show version", look for the first line that starts with “SW:” or for the name of the .bin file. It should also be listed at the top of the config when you enter “show run”.

Is this a L2 or L3 setup? Are you running Dynamic Arp Inspection(default is no)?

Are you applying a global rate limit on arp packets?

config> [no] rate-limit-arp <num>  #where num = allowed arp’s per second

If this is a strictly layer 2 switch I would use 100 and see how it affects your ARP cpu usage. Do NOT set it to 0.

--JK

On May 10, 2014, at 2:08 PM, Michael Campbell <mcampbell at sfnewmexican.com<mailto:mcampbell at sfnewmexican.com>> wrote:

I have an 8 slot SuperX running 07.2.00T3e5 (FEv2).  For a while now I’ve noticed CPU usage that’s been quite high for ARP, 20-25%.  Typically I remember back in the day the switch running less than 5 percent.  Any obvious things I could check that might cause this?

Since this switch is so old, I don’t think renewing the support contract is possible or even worth it.  Would anyone be willing to share a newer firmware version in the hopes this may solve this problem, in addition to other oddities that I’m having?

I do have a spare chassis with all the parts, if needed I can swap things out.

Thanks in advance.
--
Michael Campbell






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