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Summary: 10GigaEthernet on GSR feedback ...
- From: Vincent Gillet - Opentransit
- Date: Mon Mar 15 05:05:26 2004
I was wondering :
> We recently installed 10GE interface on GSR boxes (Engine4+).
> I are experiencing a SNMP counter issue with 802.1q VLAN.
> We were used to have counters by 802.1q VLAN on GSR on 1GE, but it looks
> to be broken for 10GE subinterfaces.
> Counters are available by SNMP, but are buggy on Inbound.
> ifHCInUcastPkts is OK, but ifHCInOctets is not.
> Does anyone experienced such problem on 10GE with GSR ?
> Counters from physical interace are fine. We experiences this on
> SubInterfaces only.
Thanks to nanog community, i had positive feedbacks.
This is hardware limitation with 10GE cisco Card on GSR.
Since it look to be an ASIC issue, i do not expect to be fixed by
There is a workaround to get byte counter, but we have to disable packet
This is what we did and it works fine.
Details available on
(need CCO login)
Bottom line :
Mind VLAN monitoring issues when using 10GE GSR LC.