O'Reilly logo

Implementing Cisco Networking Solutions by Harpreet Singh

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Troubleshooting user connectivity

The first step in troubleshooting a user issue is to verify if the user has bi-directional connectivity to the network. There are times when a multi-rate interface (such as a 10/100/1000Mbps Ethernet port) is set manually to mismatching speeds.

The show interfaces command is the most frequently used command, as it provides a host of information about the interface. The show interfaces command will show the speed of the interface, the duplex settings and the state of the interface, the protocol status, utilization, MTU, and any errors on the interface among other parameters. A sample output is as shown in the following image:

Figure 9: Show interfaces output

The preceding figure shows the IP address, the ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required