Cisco Bug: CSCur16169 - Egress span not capturing cpu punted traffic
Sep 14, 2019
- Cisco Catalyst 3850 Series Switches
Known Affected Releases
15.0(1)EZ3 15.0(1)EZ4 3.6(0)E
Symptom: If there is situation of ICMP redirect, the packet is sent to CPU for sending ICMP-redirect message back to the host. The original packet will still go out. If this outgoing interface also has egress span source configured, then SPAN will not work. Conditions: Egress span source is configured on the same interface where packet goes which triggers an ICMP redirect.
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