From: Joe Soricelli (jsoricelli@xxxxxxxx)
Date: Tue Jul 20 1999 - 14:40:48 GMT-3
Derek-
It is my understanding that communication between 2 routers that are not
border routers will be only between those two routers once the border
routers setup the "link".
Example:
Router 1 in Group 1 wants to send traffic to router 6 in Group 2.
The border router for Group 1 knows via previous explorers that the end
destination is the IP address of router 6. The border router then informs
router 1 of the IP address of router 6 and the two routers then setup a DLSW
link between them for this transmission.
The end result of border groups is to reduce the need for full meshing of
peers and to let only the border routers collect and forward explorer
traffic.
HTH,
Joe
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Joseph M. Soricelli, CCIE #4803, CCNP
EMAIL: jsoricelli@ccci.com
Chesapeake Computer Consultants, Inc.
8110 Gatehouse Road, Suite 101E Phone: (703) 207-0757
Falls Church, VA 22042 Fax: (703) 207-0441
FYI - About Chesapeake: We are a Cisco Certified Training and
professional services partner. We offer most of the Cisco
training courses as well as training for Fore, NetScout, and
CheckPoint-1 Firewalls. We provide network consulting services,
including design, network health, management, firewall,
and problem solving. We now have 21 CCIEs on our staff
of instructor/consultants.
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-----Original Message-----
From: Derek Fage <DerekF@itexjsy.com>
To: ccielab@groupstudy.com <ccielab@groupstudy.com>
Date: Tuesday, July 20, 1999 12:02 PM
Subject: DLSW+ Border Peer Configuration
>I'm running through some final configuration scenarios, and need a bit of
>advice about this.
>
>I'm trying to setup a DLSW+ configuration using border peers.
>
>In group 1 I have 3 peers and a border peer, and in group 2 I have 3 peers
>and a border peer.
>
>Border peers are configured as follows:
>
> dlsw local-peer peer-id nnn.nnn.nnn.nnn group 1 border promiscous
> dlsw remote-peer 0 tcp nnn.nnn.nnn.nnn (address of group 2 border peer)
>
>Group peers are configured as follows:
>
> dlsw local-peer peer-id nnn.nnn.nnn.nnn group 1 (or 2)
> dlsw remote-peer 0 tcp nnn.nnn.nnn.nnn (address of border peer for this
>group).
>
>All appears fine, and the capabilities for the peers look correct - I just
>want to understand a bit more how this works.
>
>Let's look at the situation where a SRB client attached to the ring of a
>peer client in group 1 wants to connect to an SRB server attached to the
>ring of a peer client in group 2.
>
>Am I correct in assuming that the individual peers will send all of the
>traffic via the border peer router to the remote site (once the ARE has
>established the route) ? Is this also the case between peers in the same
>group ?
>
>Derek...
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