So can I use the command

interface serial 1
ip unnumbered serial 0




Anil
so as to assifgn same ip address to the two serial interfaces.

On Tue, 6 Jun 2000, ALI SHEERAZ wrote:

> 
> The "ip unnumbered" configuration command allows you to enable IP processing 
> on a serial interface without assigning it an explicit IP address. This is a 
> good way to conserve network and address space.
> 
> Consider a class B network subnetted with eight bits. Every interface in the 
> network including the serial lines will require a subnet. Since each serial 
> line has only two nodes, this wastes 252 addresses on each serial line. 
> Here's where IP unnumbered comes in handy. For any point-to-point serial 
> link or point-to-point sub- interface, IP unnumbered lets you borrow the 
> address of some LAN interface to use as a source address for routing updates 
> and packets from that interface. No network is wasted, and precious address 
> space is conserved.
> 
> IP Unnumbered is used for point-to-point links.
> 
> 
> Command Syntax
> ---------------
> 
>   interface Ethernet0
>   ip address 171.68.178.196 255.255.255.192
>   interface Serial1 ip unnumbered Ethernet0
> 
>   router igrp 10 network 171.68.0.0
> 
> 
> >Hi fellows
> >could anybody explain to me what "ip unnumbered" command is, and how it is
> >used?
> >thanks in advance.
> 
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