intermittent network connection BGP/ Eigrp Routes issue.

intermittent network connection BGP/ Eigrp Routes issue.

Issue: intermittent network connection BGP/ Eigrp Routes issue.

Temporary solution: – Both switches need to be rebooted each time issue occurred.

Affected IOS used on both switch was: cat4500e-entservicesk9-mz.122-53.SG.bin

Fixes :-

BUG: CSCsy92331

According to the information of the crash in rio-mn-dist-s02 we are hitting the bug: CSCsy92331 SNMP leaks memory at end of mib or other exception,

LINK: https://tools.cisco.com/bugsearch/bug/CSCsy92331/?reffering_site=dumpcr

After analysis this Bug, causes Memory leaks and fragmentation observed. Leaks are usually small and
encountered whenever SNMP queries are done that result in a end of mib, no such instance, or no such object result in SNMP.

Cisco Recommendation: fix is present in 12.2(53) SG3 and later

==========================================================================

BUG: CSCtc90039 EIGRP-IPv4 Chunk” memory leak

Looking at the memory for both devices we can noticed that ‘EIGRP-IPv4 Chu’ is the process consuming most of the memory. And comparing with the previous output is has considerably incremented telling us that is has not freeing memory

2015.03.23 18:07:43

Allocator PC Summary for: Processor

PC Total Count Name
0x1266C714 117141052 18859 IP RIB Update
0x110F46CC 74645320 48342 EIGRP-IPv4 Chu
0x10E70E48 28309100 17 Init
0x1266BBCC 23253824 22 TSM Block
0x10250544 18344744 20027 Packet Header*

2015.03.24 15:24:57

Allocator PC Summary for: Processor

PC Total Count Name
0x110F46CC 185110788 119886 EIGRP-IPv4 Chu

LINK: (https://tools.cisco.com/bugsearch/bug/CSCtc90039/?reffering_site=dumpcr)

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