From: Jeff Sapiro (jeffsapiro@xxxxxxxxx)
Date: Mon Oct 02 2000 - 14:36:09 GMT-3
Mark,
You don't need source bridge ring-group if you don't
have a TR interface.
More detail about my question:
I know that if you are advertising an ethernet based
resource to a TR device over DLSw you need to use
non-canonical. I saw a comment in the archives that
you also need to manually convert on the ethernet side
for a dmac-output-list. This makes sense, just want
to confirm. I would especially like to see a 'sh run'
example of this that someone is certain is correct. I
don't really expect to see this on the exam - just
curious (at least I hope - I'm writing this from
Halifax...my exam is tomorrow)
Please reply to this direct address in addition to
ccielab@groupstudy.com as I am not getting the
groupstudy 'stream' from here. Thanks!
Jeff
--- Mark Lewis <markl11@hotmail.com> wrote:
>
> Well, again in the archives (so you probably know
> already) I saw a comment
> which was that the addresses are always sent by dlsw
> in non-canonical format
> - doubt that helps though.
>
> Actually, I've got a related question:
>
> if I config. the following:
>
> r1:
>
> (NO source-bridge ring-group here)
> dlsw local-peer peer-id 10.1.1.1 (yep, I know it's
> better using a loopback
> as the id)
>
> dlsw remote 0 tcp 10.1.1.2
> dlsw bridge-group 1
>
> int e0
> ip address 10.1.1.1 255.255.255.0
> bridge-group 1
>
> bridge 1 protocol ieee
>
>
> r2:
>
> source-bridge ring-group 75
>
> dlsw local-peer peer-id 10.1.1.2
> dlsw remote 0 tcp 10.1.1.1 lf 1500
>
> int to0
> ip addr 10.1.1.2 255.255.255.0
> source-bridge 2 2 75
> source-bridge spanning
>
>
> Q: How do the frames pass from r1 to r2 ? Can sb.
> confirm (or set me
> straight) that they are translated from ethernet to
> token ring & visa-versa
> ?
>
> Q2: If I add the command 'source-bridge ring-group
> 75' to r1 does it mean
> that the frames now cross the link & arrive at the
> destination UNtranslated?
>
> I've seen so many config.s with one or the other (ie
> the 'source-bridge
> ring-group' command both on the ethernet router &
> not).
>
> In CCBootcamp lab 16, they have a q. about dlsw
> translational bridging and
> there is NO 'source-bridge ring-group' on the
> ETHERNET router.
> However, on one or two of the earlier CCBootcamp
> labs there was this
> command.
>
> I obviously need to pin this one down 'cos again it
> impacts crucially on
> filtering...
>
> Any ideas anybody?
>
> Mark
>
> P.S. Sorry Jeff, I've probably more confused than
> you!
>
>
> >From: Jeff Sapiro <jeffsapiro@yahoo.com>
> >Reply-To: Jeff Sapiro <jeffsapiro@yahoo.com>
> >To: ccielab@groupstudy.com
> >Subject: dlsw filtering/icanreach
> >Date: Sun, 1 Oct 2000 15:19:42 -0700 (PDT)
> >
> >Checking back in the archives I can't get a clear
> >answer about when to convert canonical addresses.
> any takers?
> >
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