[nsp] Switch and Bridge confusion

[gab jones]

Hi,

Thank you guys for the valuable input. I have no doubts now

thanks again

regards,
gab







>From: "Ryan O'Connell" <ryan-nsp@complicity.co.uk>
>To: gab jones <seun_ewulomi@hotmail.com>, cisco-nsp@puck.nether.net
>Subject: Re: [nsp] Switch and Bridge confusion
>Date: Mon, 18 Nov 2002 13:32:16 +0000 (GMT Standard Time)
>
>On Mon, 18 Nov 2002 13:29:19 +0000 gab jones <seun_ewulomi@hotmail.com> 
>wrote:
> > _S2         __           __           _
> > | |_________|  |_________|  |_________| | S1
> > |_|         | R|         | R|         |_|
> >             |__|         |__|
> >
> > R = Router(used as a bridge no spanning tree)
> > S = switch (both have spanning tree enabled)
> >
> > 1)My question is will this cause any loops on the ethernet interfaces on
> > the router.
>
>No, as long as the physical/logical network has no loops in it.
>
> > 2)Will both routers learn all the mac addresses discovered by both
> > switches
>
>Yes, as long as the end stations broadcast at least one packet for the
>routers to hear. (An ARP request is sufficient) It should not cause a
>problem if they don't learn all addresses straight away as the default
>behaviour for unknown destinations is to flood the packet.
>
> > 3)will S2 also know all the mac addresses on S1
>
>Yes, same caveats as above.
>
>--
>       Ryan O'Connell
>Mail: ryan@complicity.co.uk
>   CV: http://www.complicity.co.uk/ryancv.pdf
>       CCIE #8174
>
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