Is does mean that ip unnumbered can't be used if we use point to multipoit
link such as Frame Relay or ATM ?
> ----------
> From: ALI SHEERAZ[SMTP:[EMAIL PROTECTED]]
> Reply To: ALI SHEERAZ
> Sent: Tuesday, June 06, 2000 5:08 PM
> To: [EMAIL PROTECTED]
> Subject: Re: ip unnumbered
>
>
> 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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