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How to configure IPSEC encryption with the Cisco IOS (site to site VPN tunneling)The OSPF dynamic routing protocol is probably the most popular LAN routing protocol today. OSPF can scale to the largest… -
How to configure OSPF in the Cisco IOSThe OSPF dynamic routing protocol is probably the most popular LAN routing protocol today. OSPF can scale to the largest…
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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…
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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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Configuring Router Interface Descriptions on a Cisco RouterIf someone were to look at your router’s configuration, could they understand what the real purpose of the network connections…
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Reset Administrator Password On A Cisco Router With SNMPRecently, a fellow Cisco administrator told me about a tool he had used to reset a password on a router.…
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Convert an IP Address from Decimal to Binary FormDecimal to binary conversion is an important task to understand in IP addressing and Subnetting. IP addressing is a core…
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Routers, Switches & Firewalls – Learn how they are differentIf you are used to working with home networking gear you are used to an integrated device that “does it…
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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…
