Comments on the last Paragraph: Yes the source ring on the router would be the same as the ring number configured for the TrCRF (Concentrator Relay Function) remembering that the 3920 is configured in hex and the router is configured in decimal ( you can use 0xRR on the router). The source bridge can be any number. It doesn't have to match the TrBRF (Bridge Relay Function). The target ring is the DLSW virtual ring as you state. When you configure a single TrCRF to a TrBRF you are configuring an expensive MAU.
One doesn't run DLSW across a 3920. But if you mean that there are hosts connected to the 3920 that you want to reach via DLSW from another router then I don't have a problem. As an example suppose you have a 3920 with two hosts running NetBIOS connected to ports 19 and 20. The 3920 is configured with a TrCRF having 0x81 as the ring number and both ports are assigned to this TrCRF. The TrCRF is a child of a TrBRF with the default bridge number 0xf. The router is connected to port 10 which also is assigned to the TrCRF with ring 0x81. On the router you would configure: source-bridge ring-group 100 >dlsw statements int tok 0 ring speed 16 (same as the 3920) source-bridge 129 1 100 (any bridge number, only source-br-target has to be unigue) source-bridge spanning and on another router also connected to the 3920 on port 15 attached to a TrCRF with a ring number of 0x30 which is a child of a different TrBRF with the defaolt bridge number 0xf, you would configure source-bridge ring-group 100 (could be different but this is best practice) >dlsw statements int tok 0 ring speed 16 source-bridge 48 3 100 (any bridge number, totally independent) source-bridge spanning This router should be able to see the hosts in reachability cache. If the second router had an ethernet source then there are no ring numbers configured, only a bridge-group, which can be any number allowed. HTH rather than adding to the confusion. Fred. Chuck Larrieu wrote: > > If I wanted to run DLSw across a 3920, then on my router ( whose token ring > port is plugged into a 3920 ) I would use the source-bridge > source-ring-number bridge-number target-ring-number comand. The source ring > would be identical to the TrCRF ring, the bridge would be the TrBRF, and the > target ring would be the DLSw virtual ring, as confgured under DLSw. Is that > correct? > > Sorry if this is a bit disjointed. I'm working from home today and the > family seem to think that if they are on vacation, so am I. > > Any thoughts would be appreciated. > > Chuck Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=30762&t=30566 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
