How to: tcpdump UCS Management traffic.
Rather than regurgitate all the information whole here is the skinny: SSH into your UCS chassis (aka primary fabric interconnect) connect nxos ethanalyzer local interface mgmt limit-captured-frames 2000 write volatile:/mycapture.cap ethanalyzer is the command local is default interface so we can tell it where we want to capture packets from. mgmt is the one I'm interested in limit-capture-frames is there because it limits to 10 by default and is way too fast when troubleshooting. write to output a capture file located in volatile memory (deletes when FI is rebooted.) Exit connect local-mgmt cp volatile:/mycapture.cap scp://username@linuxservername/somepath Where 'scp' is defined, can be ftp, sftp, tftp, volatile, or workspace as well. The capture file can be read in applications like wireshark . This helped me figure out my LDAP Authentication issues . Full article and explanation of how to do what I've outlined above was found here: http://...