Packet Capture On Nexus 9k -
N9K# ethanalyzer local interface inband write bootflash:cpu_capture.pcap
Always reset the ELAM after use to free up hardware resources. packet capture on nexus 9k
is a hardware feature of the ASIC. It allows you to capture a single packet (or a few packets) as they traverse the switch fabric. This is extremely low-level and powerful. packet capture on nexus 9k
ELAM captures a at wire speed on a specific ASIC pipeline. Useful for debugging forwarding issues. packet capture on nexus 9k
N9K(elam-ins)# status ! Output should show "Waiting for trigger"
N9K# ethanalyzer local interface inband