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SNMP - High CPU utilization on Nexus 7000

droeun141
Level 1
Level 1

Two of our four nexus boxes are reporting 50% CPU utilization for the SNMP daemon alone.  We tried removing the community string and narrowing the SNMP ACL down to only one box but it's still pegged.  Ran a debug and this is the output - any thoughts?

2011 Jun  2 15:44:33.715113 snmpd: netsnmp_udp_recv : TRACE - recv returned: rc(-1) on ctx[vdc:0 vrf:0 top:0] 
2011 Jun  2 15:44:33.715340 snmpd: netsnmp_udp_recv : TRACE - Starting to recv
2011 Jun  2 15:44:33.718268 snmpd: netsnmp_udp_recv : TRACE - Failed to recv: rc(-1) errno(12)
2011 Jun  2 15:44:33.718349 snmpd: netsnmp_udp_recv : TRACE - recv returned: rc(-1) on ctx[vdc:0 vrf:0 top:0] 
2011 Jun  2 15:44:33.718626 snmpd: netsnmp_udp_recv : TRACE - Starting to recv
2011 Jun  2 15:44:33.722848 snmpd: netsnmp_udp_recv : TRACE - Failed to recv: rc(-1) errno(12)
2011 Jun  2 15:44:33.722891 snmpd: netsnmp_udp_recv : TRACE - recv returned: rc(-1) on ctx[vdc:0 vrf:0 top:0] 
2011 Jun  2 15:44:33.723058 snmpd: netsnmp_udp_recv : TRACE - Starting to recv
2011 Jun  2 15:44:33.726102 snmpd: netsnmp_udp_recv : TRACE - Failed to recv: rc(-1) errno(12)
2011 Jun  2 15:44:33.726181 snmpd: netsnmp_udp_recv : TRACE - recv returned: rc(-1) on ctx[vdc:0 vrf:0 top:0] 
2011 Jun  2 15:44:33.726395 snmpd: netsnmp_udp_recv : TRACE - Starting to recv
2011 Jun  2 15:44:33.729513 snmpd: netsnmp_udp_recv : TRACE - Failed to recv: rc(-1) errno(12)
2011 Jun  2 15:44:33.729589 snmpd: netsnmp_udp_recv : TRACE - recv returned: rc(-1) on ctx[vdc:0 vrf:0 top:0] 
2011 Jun  2 15:44:33.729817 snmpd: netsnmp_udp_recv : TRACE - Starting to recv
2011 Jun  2 15:44:33.732766 snmpd: netsnmp_udp_recv : TRACE - Failed to recv: rc(-1) errno(12)
2011 Jun  2 15:44:33.732850 snmpd: netsnmp_udp_recv : TRACE - recv returned: rc(-1) on ctx[vdc:0 vrf:0 top:0] 
2011 Jun  2 15:44:33.733064 snmpd: netsnmp_udp_recv : TRACE - Starting to recv
2011 Jun  2 15:44:33.736000 snmpd: netsnmp_udp_recv : TRACE - Failed to recv: rc(-1) errno(12)
2011 Jun  2 15:44:33.736083 snmpd: netsnmp_udp_recv : TRACE - recv returned: rc(-1) on ctx[vdc:0 vrf:0 top:0] 
2011 Jun  2 15:44:33.736296 snmpd: netsnmp_udp_recv : TRACE - Starting to recv
2011 Jun  2 15:44:33.739337 snmpd: netsnmp_udp_recv : TRACE - Failed to recv: rc(-1) errno(12)
2011 Jun  2 15:44:33.739409 snmpd: netsnmp_udp_recv : TRACE - recv returned: rc(-1) on ctx[vdc:0 vrf:0 top:0] 
2011 Jun  2 15:44:33.740493 snmpd: netsnmp_udp_recv : TRACE - Starting to recv
2011 Jun  2 15:44:33.743457 snmpd: netsnmp_udp_recv : TRACE - Failed to recv: rc(-1) errno(12)
2011 Jun  2 15:44:33.743539 snmpd: netsnmp_udp_recv : TRACE - recv returned: rc(-1) on ctx[vdc:0 vrf:0 top:0] 
2011 Jun  2 15:44:33.743762 snmpd: netsnmp_udp_recv : TRACE - Starting to recv

1 Reply 1

Amit Singh
Cisco Employee
Cisco Employee

I tried to look for some cases with this problem on Nexus 7000 and found none. Please could you open a TAC

and ask to troubleshoot this.

Cheers,

-amit singh

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