[c-nsp] High SNMP CPU with SXH. Is SXI any better?

[Phil Mayers]

> I haven't looked into it, but perhaps you can find a cisco specific
> mib, maybe cef or mls specific that doesn't have this performance

CISCO-SWITCH-ENGINE-MIB::cseCef* are the ones. However, they contain 
basically the entire FIB & adjacency entries. They're faster to walk, 
but their size can make the whole process slower :o(

> penalty?  Otherwise, I bet a query via clogin outperforms the snmp
> table.

It certainly does. ~10 seconds versus ~2min 30sec on our busiest router.

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