From: dwhitley@xxxxxxxxx
Date: Tue Nov 27 2001 - 12:33:47 GMT-3
Here is something I came across. Apparently no mater what you configure on
the remote peer statement, it will never display in the show dlsw
capabilities on the router with the remote peer cost.
Note The output of the show dlsw capabilities command displays the cost
learned from the other devices rather than what is actually configured on
the local peer. For example, the output of the show dlsw capabilities
command on Peer A will show a cost value of 4 for remote peer B and a cost
value of 2 for remote peer C. To determine the cost configured on the local
device, issue the show running configuration command on the local peer.
This excerpt came from the following document
http://www.cisco.com/warp/public/cc/pd/ibsw/ibdlsw/tech/tadlt_rg.htm
Dean Whitley
-----Original Message-----
From: xujing@31942.org [mailto:xujing@31942.org]
Sent: Sunday, November 25, 2001 11:28 PM
To: ccielab
Subject: DLSW Cost
Hi, ccielab#!
I am setting dlsw on my lab. The following is my config:
R1:
dlsw local-peer peer-id 1.1.1.1
dlsw remote-peer 0 tcp 2.2.2.2 cost 1
dlsw remote-peer 0 tcp 3.3.3.3 backup-peer 2.2.2.2
dlsw bridge-group 1
R2:
dlsw local-peer peer-id 2.2.2.2
dlsw remote-peer 0 tcp 1.1.1.1
dlsw bridge-group 1
R3:
dlsw local-peer peer-id 3.3.3.3
dlsw remote-peer 0 tcp 1.1.1.1
dlsw bridge-group 1
I think you can understand my config. I want to let "remote-peer 2.2.2.2"
decrease its cost. But when I show the "dlsw cap" on r1 & r2, I see the cost
is not change. When I decrease the cost on "local-peer", I can see the
change.
I find the following words on cisco site:
Although configuring cost on a peer is not required, it can be used to
control which path the sessions use. Cost can be specified on either a dlsw
local-peer or a dlsw remote-peer command. When specified on a dlsw
local-peer command, it is exchanged with remote DLSw+ peers as part of the
capabilities exchange. The cost configured on the dlsw remote peer command
overrides any cost value learned from another devices dlsw local peer
command.
The following is "show" :
R1:
R1#sh dlsw cap
DLSw: Capabilities for peer 2.2.2.2(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 : 3
biu-segment configured : no
UDP Unicast support : yes
Fast-switched HPR supp. : no
NetBIOS Namecache length : 15
local-ack configured : yes
priority configured : no
cisco RSVP support : no
configured ip address : 2.2.2.2
peer type : conf
version string :
Cisco Internetwork Operating System Software
IOS (tm) 4000 Software (C4000-DS-M), Version 12.1(11), RELEASE SOFTWARE
(fc1)
Copyright (c) 1986-2001 by cisco Systems, Inc.
Compiled Wed 03-Oct-01 02:50 by kellythw
R1#sh dlsw peer
Peers: state pkts_rx pkts_tx type drops ckts TCP
uptime
TCP 2.2.2.2 CONNECT 203 41 conf 0 0 0
00:20:30
TCP 3.3.3.3 DISCONN 0 0 conf 0 0 -
-
Total number of connected peers: 1
Total number of connections: 1
R2#sh dlsw cap
DLSw: Capabilities for peer 1.1.1.1(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 : 3
biu-segment configured : no
UDP Unicast support : yes
Fast-switched HPR supp. : no
NetBIOS Namecache length : 15
local-ack configured : yes
priority configured : no
cisco RSVP support : no
configured ip address : 1.1.1.1
peer type : conf
version string :
Cisco Internetwork Operating System Software
IOS (tm) 4000 Software (C4000-DS-M), Version 12.1(11), RELEASE SOFTWARE
(fc1)
Copyright (c) 1986-2001 by cisco Systems, Inc.
Compiled Wed 03-Oct-01 02:50 by kellythw
So pls give me some advice!!!
Thanks a lot!!!
Best Regards!!!
XuJing
xujing@e-ccsi.org
2001-11-26
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CCSI:21130
CCNP/CCDP/CNE4/CLP
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