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Title: CCNA ICND2 Lab 6 - Create and Use Loopback Interface

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Lab Topology:      Lab Requirements:  1. The router names are P4S1 and P4S2.     2. Create a loopback interface on either of the routers and specify an IP address to every loopback interface.  3. Delete the loopback interfaces.  Lab Process:  1. The loopback interface is a logical virtual interface on the router. A router has no loopback interfaces by default, but they can be created on it. In normal cases, a router has fewer interfaces than a switch; therefore, you need to create loopback interfaces when doing lab. A loopback interface is treated on the router like a physical interface. It can be assigned an IP address. Loopback interfaces are widely used. They are enabled by default. To disable a loopback interface, run the shutdown command.  2. Create a loopback interface.  P4S1(config)#interface loopback ?  <0-2147483647> Loopback interface number  The range of the loopback interface is from 0 to 2147483647.  P4S1(config)#interface loopback 0  P4S1(config-if)#ip add 192.168.1.1 255.255.255.0  P4S1(config-if)#end

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Post date: 2010-07-26 18:54:26

Post date GMT: 2010-07-26 10:54:26

Post modified date: 2010-07-26 18:54:26

Post modified date GMT: 2010-07-26 10:54:26



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