Cisco Bug: CSCte01410 - lost packests between FWSM and engine when switchover by SSO
Feb 01, 2017
- Cisco IOS
Known Affected Releases
Symptom: 7304----(vlan12)7609-1(vlan211-out--fwsm--in-vlan201)----7609-2(no fwsm,vlan201) Customer found lost packets (lost 2 packets in 5000 packets) after switchover engine and ospf neighbor up. When standby engine up (about 7 min), the lost packets would disappear. Customer use the SSO redundancy mode. FWSM NP logs are not showing drop, none of the np drop counters are incremented and ICMP counters are showing full count. lost packets no regular,change ospf to static, same problem. Conditions: The problem happened in 7609 with FWSM module when engine switchover. SSO, RPR plus have same problem. RPR no issue.
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