Packet Capture On Nexus 9k Here

N9K# ethanalyzer local interface inband write bootflash:cpu_capture.pcap

| Scenario | Tool to Use | Command Hint | | :--- | :--- | :--- | | | Ethanalyzer | ethanalyzer local interface inband display-filter tcp.port==22 | | BGP/OSPF not peering? | Ethanalyzer | ethanalyzer ... display-filter tcp.port==179 | | Host A cannot talk to Host B | ELAM or SPAN | ELAM is faster for single packet debugging. | | Need full PCAP of transit traffic | SPAN / ERSPAN | Configure monitor session | packet capture on nexus 9k

Filter for specific traffic, such as OSPF or BGP. such as OSPF or BGP.