From: Scott Morris (swm@emanon.com)
Date: Sun Jul 27 2003 - 13:03:26 GMT-3
The remote-peer cost will win out for local configuration/costing.
Because that is the override for what is exchanged in the peer
capabilities (the other sides' local-peer cost).
You're correct on the default being 3 though.
Scott
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Glenn Johnson
Sent: Friday, July 25, 2003 7:55 PM
To: 'Joe Martin'
Cc: ccielab@groupstudy.com
Subject: RE: Default Cost for DLSW remote-peer?
Yes -- just labbed this to confirm -- the default cost is 3.
You can use cost on your local peer statement to advertise how costly it
is to reach you. You can use cost on your remote peer statements to
specify how costly it is to reach others.
Not sure (yet) which one wins out if conflicting, like below:
Rtr 7
dlsw local-peer peer-id 10.1.1.1
dlsw remote-peer 0 tcp 10.1.1.2 cost 2 (wants to treat this remote peer
as having a cost of 2) dlsw bridge-group 1
Rtr 8
dlsw local-peer peer-id 10.1.1.2 cost 5 (wants to be seen as having a
cost of 5) dlsw remote-peer 0 tcp 10.1.1.1 dlsw bridge-group 1
It looks like the local value wins out in the capabilities exchange --
On Router 7:
R7#sh dlsw ca
DLSw: Capabilities for peer 10.1.1.2(2065)
vendor id (OUI) : '00C' (cisco)
version number : 2
release number : 0
init pacing window : 20
unsupported saps : none
num of tcp sessions : 1
loop prevent support : no
icanreach mac-exclusive : no
icanreach netbios-excl. : no
reachable mac addresses : none
reachable netbios names : none
V2 multicast capable : yes
DLSw multicast address : none
cisco version number : 1
peer group number : 0
peer cluster support : no
border peer capable : no
peer cost : 5 <----------------- (cost as configured
on
R8's local statement)
From what I can recall, this value [5] is determined during the
initial exchange process. However, I believe R7 will ignore it and use
its own cost value when making decision regarding reachability (so 2
trumps 5).
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Joe Martin
Sent: Friday, July 25, 2003 7:09 PM
To: CCIE GroupStudy
Subject: Default Cost for DLSW remote-peer?
Can anyone confirm that the default cost for a DLSW remote peer is 3?
Also, As I understand it, the cost is used to choose a DLSW peer to
forward traffic to if more than one has reachability to the destination.
Can anyone confirm or correct?
TIA,
Joe Martin
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