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Cisco Bug: CSCtb90678 - Pre-CST: With remote-query configured, Walk ifTable cause >97% cpu usag

Last Modified

Feb 03, 2017

Products (1)

  • Cisco uBR10000 Series Universal Broadband Routers

Known Affected Releases


Description (partial)

1) After config "cable modem remote-query 50 public", use comunity public to retrive ifTable with a speed 40 try per second may cause > 97% cpu usage.

2) If "snmp-server community private view hccp_chansw_snmp_view RW" is configured on CMTS, and walk ifTable with community "private" and without create view hccp_chansw_snmp_view, SNMP engine will use almost all the CPU timeslots.
Some snmp related configuration appear automatically, and caused high cpu.

when a empty view is associated to community or no view is associated to community. it will cause this issue.
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