How to Configure  NAT on a Cisco Router How to Configure NAT on a Cisco Router

When it comes to interconnecting a private network (whether corporate or private) in IPv4, it is virtually impossible to do without NA...

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Gateway Load-Balancing Protocol(GLBP) Gateway Load-Balancing Protocol(GLBP)

After HSRP and VRRP , it is time to introduce the next generation of Protocol that supports redundancy of gateways: GLBP...

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What is Virtual Router Redundancy Protocol(VRRP) What is Virtual Router Redundancy Protocol(VRRP)

In the previous article we saw a simple implementation of HSRP which allows to manage gateway redundancy (among others). Although simple t...

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Hot Standby Router Protocol(HSRP) Hot Standby Router Protocol(HSRP)

On a PC one usually configures a single gateway by default ... But what happens if it is out of order? ... The answer is simple ... no way ...

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How to Configure Multilink PPP Connections for Serial interfaces How to Configure Multilink PPP Connections for Serial interfaces

What is Multilink PPP? This is a standard protocol that allows the aggregation of PPP links into a single PPP link. The bundled link...

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What is IPv6 (Internet Protocol Version 6) What is IPv6 (Internet Protocol Version 6)

This is not a scoop, public IPv4 address space melts like snow in the sun. According to current estimates, only 5% of all addresses wou...

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how to Configure OSPF in a Single Area how to Configure OSPF in a Single Area

First lab dedicated to Configuring OSPF in a Single Area. It is the beginning of a series which will aim to establish a relatively advanced...

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 Inter VLAN Routing Inter VLAN Routing

Routing between LANs or Inter VLAN routing ... same fight! For a router to route a packet from one broadcast domain to another it must ha...

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