Here are the sample steps on finding the interface where the host is connected based on IP address or MAC address on Cisco Catalyst L3 Switch running on Cisco IOS Scenario 1: IP address is given, find which interface it is connected IP address: 192.168.0.35 a. Find the routing entry for the IP to know where it is connected show ip route <IP> SWITCH1#show ip route 192.168.0.35 Routing entry for 192.168.0.32/29 Known via “connected”, distance 0, metric 0 (connected, via…
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Here are the sample steps on finding the interface where the host is connected based on IP address or MAC address on Juniper Routers. Scenario 1: IP address is given, find which interface it is connected IP address: 192.168.15.6 a. Find the routing entry for the IP to know where it is connected show route <IP> darwin@JUNIPER-re0> show route 192.168.15.6 inet.0: 3 destinations, 6 routes (3321 active, 0 holddown, 3 hidden) + = Active Route, – = Last Active, *…
Here are the sample steps on finding the interface where the host is connected based on IP address or MAC address on Cisco Switch Nexus 7000 series running in Nexus OS. Scenario 1: IP address is given, find which interface it is connected IP address: 192.168.15.6 a. Find the routing entry for the IP to know where it is connected show ip route <IP> NEXUS7000# show ip route 192.168.15.6 IP Route Table for VRF “default” ‘*’ denotes best ucast next-hop…
Interface description is one of the most important configuration when bringing up interfaces between two devices. In a bundle or port-channel interface, there is a way to find the partner interface or which member in that bundle is your interface or port is connected especially if there’s no description or outdated. Here are the steps and commands to find LACP partner interface or port in Cisco Router and Switch Fig1.1 (Cisco IOS-XR) Assuming we have this Fig1.1, two…
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