Re: newbie question!

From: Gert Doering (
Date: Fri Apr 12 2002 - 04:21:58 EDT


On Thu, Apr 11, 2002 at 11:33:36AM -0400, Rick Burts wrote:
> Actually what you say is true for LAN interfaces but not for serial
> interfaces. The IOS will allow serial interfaces to be configured
> within the same subnet as the following example shows:
> Router_D#conf t
> Enter configuration commands, one per line. End with CNTL/Z.
> R1(config)#int serial1/0
> R1(config-if)#ip address
> R1(config-if)#int serial1/1
> R1(config-if)#ip address
> R1(config-if)#

True, but there be dragons here. Sometimes this will lead to the box
completely stopping IP forwarding on these interfaces (had this happen to
me a number of times when using the *same* IP address on two parallel
interfaces for load sharing). So you usually don't want to do this.


USENET is *not* the non-clickable part of WWW!
Gert Doering - Munich, Germany                   
fax: +49-89-35655025              

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