From: Jim Mathers (jmathers@xxxxxxxxxx)
Date: Sun Jun 17 2001 - 13:20:44 GMT-3
Further, I just changed the Token Ring interfaces from SRB to Transparent
bridging by removing the statement "source-bridge 20 1 100" and adding the
statement "bridge-group 20" on both of the routers and it works fine. I also
had to remove the "source-bridge ring-group 100" from the DLSw+ configs and
add a "dlsw bridge-group 20". Now everything is working fine. I am forced to
assume that WIN98 is NOT generating a RIF, but instead is sending a NETBIOS
name-query. I am still looking for feedback on this. Any help would be
appreciated. Also, all Cisco documentation that I have read says that you
have to do SRB for Token Ring. I guess that I am misunderstanding something
because I am successfully doing transparent bridging between two remote
Token-Rings. Any feedback? Please comment. Jim
-----Original Message-----
From: Jim Mathers
Sent: Sunday, June 17, 2001 10:35 AM
To: 'ccielab@groupstudy.com'
Subject: question about NETBIOS, RIF fields, and DLSw+
Hello,
I have two hosts connected to two different MAUs that in turn connect to two
different routers via Token-Ring interfaces in my lab. The two routers are
separated via an IP backbone. I have configured DLSw+ to bridge between the
two Token Rings. The hosts are running WIN98 with only NETBEUI configured.
When I click on Network Neighborhood, the hosts do not find each other. Nor
does DLSw build a circuit from end to end. I get my DLSw+ Peers to connect
fine. I have been troubleshooting this all night and after getting very
frustrated, I pulled up the DLSw+ troubleshooting document on Cisco's web
site. It says that it is possible that the Operating System (WIN 98) on my
hosts will not generate a RIF, and, if this is the case, DLSw+ will fail
because the router will look for a RIF on the incoming frames. If the frames
do not contain RIFs, then the router will not be able to source-route bridge
the packet onto the virtual ring. Has anyone seen this? I want to put this
behind me. I just finally joined the list and thought it would be a good
idea to bounce this of off the crowd. My lab is scheduled for September 23rd
in San Jose. Thanks in advance.
Jim Mathers
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