Just to throw a wrinkle in all of this, a Cisco router WILL allow you to
place up to 4 SERIAL interfaces in the same subnet. Try it... do like this:
Router>conf t
Router(config)int s0
Router(config-if)ip add 10.1.1.1 255.255.255.0
Router(config-if)int s1
Router(config-if)ip add 10.1.1.3 255.255.255.0
This works... the router will not complain. Why would you need to do this? I
dunno, but you can if you want to - only on SERIAL interfaces...
Z
>From: EA LOUIE <[EMAIL PROTECTED]>
>Reply-To: EA LOUIE <[EMAIL PROTECTED]>
>To: "John Neiberger" <[EMAIL PROTECTED]>, [EMAIL PROTECTED]
>CC: [EMAIL PROTECTED]
>Subject: Re: Stupid question
>Date: 30 Mar 2001 10:50:28 PST
>
>"John Neiberger" <[EMAIL PROTECTED]> wrote:
> > The IP address on a switch or hub is for management purposes only and is
> > not applied to an actual physical port. The IP address in a switch or
> > hub is applied to a virtual interface so you can use IP to test
> > connectivity or telnet to the device for configuration purposes.
>
>...and don't forget for SNMP monitoring/management, too, if enabled
>
>:-)
>
>-e-
>
> >
> > >>> "Wang Chia Ta" <[EMAIL PROTECTED]> 3/30/01 9:40:46 AM >>>
> > Thank you for your response. Another question is when or why would you
> > be
> > required
> > to use set an ip address on a switch and/or hub interface?
> >
> > Thx.
> >
> > Wang Chia Ta
> > Systems Support
> > Mitsubishi Motors
> > ---------------------------
> >
> > ""John Neiberger"" <[EMAIL PROTECTED]> wrote in message
> > sac446f2.062@fsutil01">news:sac446f2.062@fsutil01...
> > > This isn't a stupid question, it's a very important point to make.
> > If
> > > you are routing, each interface on the router must be in its own
> > subnet.
> > > Otherwise routing would not work. If you're bridging, then the
> > bridged
> > > interfaces are in the same subnet but you don't specifically assign
> > an
> > > IP address to those interfaces.
> > >
> > > I'm guessing that you're really asking the former question: in a
> > > routing situation can two different interfaces be in the same
> > subnet,
> > > and the answer is no.
> > >
> > > HTH,
> > > John
> > >
> > > >>> After removing all of the HTML, Rick appeared to say... >>>
> > > Dear all,
> > > I have a stupid question, want to clarify.
> > > is it I cannot make two or more interfaces share the same subnet in
> > > the Router?
> > > Thanks
> > >
> > > Best Regards,
> > > rick
> > >
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