Monday 2 October 2023

find device by mac or IP

Manual way is to connect to each switch "sh arp" "sh mac address table"


If you have all cisco kit

"traceroute mac" or "traceroute mac ip"


Using an NSM will often poll and have this data available (libreNMS)


You also have the option to create some scripts with python/pexpect/paramiko/netmiko etc



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