About 146 results
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Learn additional uses for Cisco IOS access control lists
Network administrators typically use access control lists (ACLs) to stop traffic or permit only specified traffic while stopping all other traffic. While this is the primary use of...
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10 commands you should master when working with the Cisco IOS
Becoming proficient with the Cisco IOS means learning some essential commands. This quick reference describes 10 commands you'll need to rely on when handling various configuration...
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Configure DHCP on a Cisco router or switch
Many administrators forget—or don't even realize—that they can configure Dynamic Host Configuration Protocol (DHCP) on Cisco IOS routers and switches. David Davis discusses the pro...
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Properly set a Cisco router's clock and time zone
Does setting the correct time on a router really matter? Actually, it does. In this edition of Cisco Routers and Switches, David Davis reviews the benefits of setting the correct t...
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Understand the levels of privilege in the Cisco IOS
Many network administrators who work with the Cisco IOS never bother to think about the level of privilege they're using or what that level means. However, the Cisco IOS actually o...
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Get to know your logging options in the Cisco IOS
Knowing how to properly use logging is a necessary skill for any network administrator, and the Cisco IOS offers many options for logging. To help bring you up to speed, David Davi...
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Cisco administration 101: Five interface commands you should know
Whether you're a seasoned admin or a newbie, it's always a good idea to review from time to time. When working with routers and switches, you usually don't have to configure an int...
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Clarifying the Cisco IOS bandwidth command
David Davis has recently noticed that there seems to be some confusion out there about Cisco's bandwidth command, and he wants to set the record straight. In this edition of Cisco ...
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Synchronize a Cisco router's clock with Network Time Protocol (NTP)
It's critical that all devices on an organization's network display the accurate time and date. If they don't, things can go wrong in a hurry. David Davis explains why Cisco device...
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Configure QoS on your Cisco router with this template
Using quality of service (QoS) on Cisco network devices helps provide both bandwidth and priority to certain types of network traffic. In this edition of Cisco Routers and Switches...