With that in mind, let’s see what switch is connected to those interfaces #sh cdp neighborsĬapability Codes: R – Router, T – Trans Bridge, B – Source Route Bridge Members in this channel: Gi1/0/47 Gi1/0/48 Now we know that it’s behind interface Port-channel1 (Po1), so let’s find out which interface are is used in the Port-channel. When the ping is successfull you check the arp table to find the mac address of the device #Show arp | include 192.168.0.1 Sending 5, 100-byte ICMP Echos to 192.168.0.1, timeout is 2 seconds: I always start on the main switch (core) to find the device.įirst we have to ping the device to get an arp entry. A quick note about finding your devices wich are connected to one of your cisco switches.
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