Rolf--

I'd take a netdr capture and maybe an ELAM capture of the arp reply. If it doesn't show in the netdr, it was killed off in HW. ELAM *may* give you some additional insight.

Btw, are you running with DFCs? If so, the DFCs do the HWRL/CoPP from the HW perspective.

--WM

On 07/01/2013 07:44 AM, "Rolf Hanßen" wrote:
Hi,

If I had a support contract for that box I would open a tac case now. ;)

kind regards
Rolf

On 28/06/2013 17:55, "Rolf Hanßen" wrote:
does not look like this is a general hardware version issue.
mmm, ok.  I would:

- run a context diff on the configuration on each of these machines to
ensure that there are no syntactic differences

- disable and then re-enable copp on the affected box to ensure that it's
reprogrammed correctly into the hardware (sometimes things get messed up
on
the way down to the line cards)

- compare the output of "show mls rate-limit" on all machines

- check your platform acl tcam capacity using "show platform hardware
capacity acl", to ensure that you still have some acl tcam space available
for your copp config.

If this doesn't point towards a resolution, I'd open up a tac case.

Nick


But I found a box with the same hardware versions:

Mod  Port Model              Serial #    Versions
---- ---- ------------------ -----------
-------------------------------------
   5    2  WS-SUP720-3B       ########### Hw : 5.3
                                          Fw : 8.4(2)
                                          Sw : 12.2(33)SXJ
                                          Sw1: 20.1(1)SXJ
           WS-SUP720          ########### Hw : 2.6
                                          Fw : 12.2(17r)SX7
                                          Sw : 12.2(33)SXJ
           WS-F6K-PFC3B       ########### Hw : 2.3

This box also works as soon as I enter "mls rate-limit unicast cef glean
500".

kind regards
Rolf

Any further ideas except hardware failure, buggy software or "try
rebooting it" ?
Could be a hardware issue.  As someone else mentioned (Phil?), this
particular feature is hardware revision dependent.

What hardware versions are each of your SUP720s (show module)?

Nick






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