From: Ahmed Mamoor Amimi (mamoor@xxxxxxxx)
Date: Mon Apr 08 2002 - 20:01:00 GMT-3
U can do this .... i have tried every option of it but unluckily dlsw only
works on p-to-p. It will not route ur dlsw connection from r1 to r3 as r2 as
a transit. nope. !! .... u have to make a border peer for this on r2 with
promiscous on every router.
-Mamoor
----- Original Message -----
From: Nicolai Gersbo Solling <nicolai@cisco.com>
To: CCIE <ccielab@groupstudy.com>
Sent: Tuesday, April 09, 2002 7:05 PM
Subject: DLSW - Another question...this time in colour...
> Hi there Guys...
>
> Well...It is actually not in colour, but what will a man not do to drag
> attention...
>
> Anyway...I have a problem with DLSW...
>
> I wan't to have full connectivity between Ethernet, Ring1, Ring 2 for
> bridged traffic...
>
> I have the following Setup
>
>
>
> Etherenet--R1-----DLSW-----R2-----DLSW----R3--Ring2
> |
> |
> Ring 1
>
> The routers have the following loopbacks:
> 1.1.1.1=R1
> 2.2.2.2=R2
> 3.3.3.3=R3
>
> So far I have the following configured...
>
> R1:
>
> dlsw local-peer peer-id 1.1.1.1 group 1 promiscous
> dlsw bridge 1
>
> Int ethernet0
> bridge-group1
>
> R2:
> dlsw local peer peer-id 2.2.2.2 group 1 border
> dlsw remote-peer 0 tcp 1.1.1.1
> dlsw remote-peer 0 tcp 3.3.3.3
>
> source-bridge ring-group 201
>
> int TokenRing 1
> source-bridge 1 1 201
> source-bridge spanning
>
> R3:
> dlsw local-peer peer-id 3.3.3.3 group 1 promiscous
>
> source-bridge ring-group 200
>
> int TokenRing 1
> source-bridge 2 1 200
> source-bridge spanning
>
> I got the above config to work, but I have one big question...
>
> The way that the border group command works is that R2 caches reachability
> information for R1 and R3 - When R1 sends out an explorer frame regarding
a
> machine, mac-address, netbios-name, whatever... This will be sent to R2,
> which replies back and tells R1 - Connect to R3 on this IP address...This
> sets up a peer connection from R1 to R3...
>
> Is my understanding correct?
>
> Now...here is my question...(finally)
>
> Is there any way to get the connection from R1 to flow over R2 and then to
> R3?
> I wan't to limit my number of DLSW peers in the network, so could it be
done
> so that the traffic from R1 flows to R2, which then forwards to R3?
>
> Any ideas, or does DLSW require point-2-point connections?
>
> Nic
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