[c-nsp] Monitioring Output Drops in a Specific Queue

[Rodney Dunn]

Not an SNMP expert but I'm 99% sure there are some CBWFQ QOS MIBS
to give you per class drops.

Rodney

On Fri, Jan 30, 2009 at 09:09:39AM -0600, Jeff Wojciechowski wrote:
> Hi All:
> 
> What is the best way to monitor drops in a particular output queue? In particular I am trying to keep track of when we are dropping in the highsilver queue below.
> 
> Ive got some SNMP monitoring that will show drops on the interface as a whole but it doesn't differentiate between class-default drops or highsilver - in this case our highsilver is SIP and I am trying to figure out of the drops are causing problems.
> 
> The multilink connection below is 3xMPLS full T1's.
> 
> Router >sh policy-map interface
>  Multilink123
> 
>   Service-policy output: PPS
> 
>     Class-map: explicit (match-all)
>       123210239 packets, 7954843168 bytes
>       5 minute offered rate 123000 bps, drop rate 0 bps
>       Match: access-group 107
>       Queueing
>         Strict Priority
>         Output Queue: Conversation 264
>         Bandwidth 2048 (kbps) Burst 51200 (Bytes)
>         (pkts matched/bytes matched) 17325065/1118418114
>         (total drops/bytes drops) 0/0
>       QoS Set
>         dscp ef
>           Packets marked 123210255
> 
>     <<<<<Class-map: highsilver (match-all)>>>>>
>       105805964 packets, 6587618396 bytes
>       5 minute offered rate 44000 bps, drop rate 0 bps
>       Match: access-group 108
>       QoS Set
>         dscp af31
>           Packets marked 105805966
>       Queueing
>         Output Queue: Conversation 265
>         Bandwidth 512 (kbps) Max Threshold 64 (packets)
>         (pkts matched/bytes matched) 9918039/607408715
>         <<<<<<<<<<<<<(depth/total drops/no-buffer drops) 0/20678/0>>>>>>>>>>>>>>
> 
>     Class-map: class-default (match-any)
>       356472191 packets, 54650243608 bytes
>       5 minute offered rate 700000 bps, drop rate 0 bps
>       Match: any
>       Queueing
>         Flow Based Fair Queueing
>         Maximum Number of Hashed Queues 256
>         (total queued/total drops/no-buffer drops) 0/25887/0
>       QoS Set
>         dscp af21
>           Packets marked 356472215
> 
> 
> Thank you,
> 
> Jeff Wojciechowski
> 
> 
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