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Cisco administration 101: Understanding Ethernet MAC addresses
While you're probably familiar with Ethernet MAC addresses, how much do you know about working with them in the Cisco IOS? In this edition of Cisco Routers and Switches, David Davi...
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Get to know the Cisco IOS show interfaces command
If you don't know what's really going on with the interfaces on your Cisco routers, then you likely don't know which changes you need to make. In this edition of Cisco Routers and ...
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Get real-world examples for applying network troubleshooting methodologies
A few weeks ago, David Davis wrote an article about choosing a network troubleshooting methodology and introduced you to three approaches to network troubleshooting. This week, he ...