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How to use a Distribute-List to Filter out Routing Updates in the Cisco IOSWhile using Dynamic routing protocols, at some point, you will want to filter the routes that are sent out from… -
How to use the Cisco IOS Policy-Based Routing FeaturesThe use of a dynamic routing protocol on a company’s WAN and LAN is standard practice today. Whether you use…
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Layer by Layer Troubleshooting with a Cisco RouterEvery network admin is going to have trouble with network links on a Cisco router, at one point or another.…
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Monitoring your network with LansweeperWhy monitor the network? One of the hardest tasks to handle in a medium to large network is tracking various…
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How to be notified when you Cisco router configuration has changedTraditionally, to be notified if your Cisco router configuration has changed, you had to use a configuration management and monitoring…
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How to Edit Cisco IOS ACL’s Using Line NumbersIn our previous series on Cisco IOS Access-lists Part 1 and Part 2 , we covered all the basics of…
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How a Cisco Switch functions on an Ethernet networkMany of us use switches every day but never really think about how they work. Whether you are studying to…
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How to Setup VLAN Trunking Protocol (VTP) on Cisco SwitchesHow to Setup VLAN Trunking Protocol (VTP) on Cisco Switches In our last article about VLAN’s (Read ore about it…
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How Router Interfaces get their names on Cisco RoutersWhy is your router’s Ethernet interface called Ethernet0/0 on one router but Ethernet 3/0 on another router? Where do these…
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Use TFTP to Backup your Cisco Router ConfigurationsJust like any important server on your network, Cisco routers and switches need to be periodically backed up. You don’t…
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How to Configure Local Username Database in Cisco IOSIn this article, we will take a step further in securing our Cisco router by using a local username /…
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What you need to know about BGP routing protocolPerhaps you are thinking that you could care less about some routing protocol called BGP. Could it possibly have anything…
