From: Joe Chang (changjoe@earthlink.net)
Date: Tue Feb 04 2003 - 23:12:39 GMT-3
I would say the opposite: use the loops for dlsw peer establishment. This
would help isolate connectivity problems. If peering does not occur, you can
immediately discount problems with either LAN. If circuit establishment does
not occur, you can fiddle with the LAN without disrupting the peer
connection.
----- Original Message -----
From: "Jason Sinclair" <sinclairj@powertel.com.au>
To: "'Thomas Stuart'" <tastuart@comcast.net>; <ccielab@groupstudy.com>
Sent: Tuesday, February 04, 2003 9:46 PM
Subject: RE: dlsw
> Thomas,
>
> You could configure it this way, however let's think about the question.
If
> you use the loops and the Ethernet fails, you can still have a DLSW
peering
> session between the two routers - right? You will never get circuit
> establishment, however because the Ethernet is down. Now, to be pedantic
it
> could be argued that this does not satisfy the question, as DLSW could
still
> be seen to be up even when the Ethernet was down. I guess the gist of what
I
> am trying to get across is that if you configure it using the IP of the
> Ethernet interface you would not be wrong. If you used the loopback you
> could be wrong (or right) depending on the intent of the question. My
> advice, always play it safe. Remember this is not necessarily what we
would
> do in the real world, it is what we would do to get us to pass!
>
> Cheers,
>
> Jason Sinclair CCIE #9100
> Manager, Network Control Centre
> POWERTEL
> 55 Clarence Street,
> SYDNEY NSW 2000
> AUSTRALIA
> office: + 61 2 8264 3820
> mobile: + 61 416 105 858
> email: sinclairj@powertel.com.au
>
> -----Original Message-----
> From: Thomas Stuart [mailto:tastuart@comcast.net]
> Sent: Wednesday, 5 February 2003 12:22
> To: ccielab@groupstudy.com
> Subject: dlsw
>
> when configuring dlsw, and i am asked to "configure dlsw between router
1's
> ethernet 0/0, and router 2's ethernet 0/0",
>
> do i need to use the ip addresses for those particular interfaces ( e0/0
on
> r1 and e0/0 on r2 ) for dlsw local-peers and remote-peers???
>
> i thought that i could just use configured loops on each of the routers,
and
> let "bridge-group 1" on the interfaces takes care of the rest, and still
> accomplish dlsw connectivity.
>
> thanks,
>
> tom
> .
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