Cisco Bug: CSCsy78204 - AGM: Nexthop may be unresolved after some networking reconfiguration
Sep 18, 2016
- Cisco Guard DDoS Mitigation Appliances
Known Affected Releases
Symptom: Traffic is not forwarded from AGM to nexthop The following messages appears in consoles once per 24 hours starting from first discovery of the problem: Message from syslogd@__hostname__ at __date__... __hostname__ cm: Guard, 0 diversion-failed: Nexthop doesn't answer ARP (__nexthop_ip__ 255.255.255.255) It is possible that the nexthop is still pingable from CLI console! It doesn't nessecarily prove that divertor can resolve the nexthop as well. Conditions: Scenario 1. Injection vlan ips and the nexthop IP were changed. Scenario 2. 3 vlan interfaces of injection vlan were reconfigured to the different of even to same ips again.
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