Timur, Firstly, the "source-bridge transparent" is only needed when you have a router with both Token ring and ethernet interfaces
Secondly, the source-bridge ring-group 500 command on the router with no token ring interfaces will do nothing - You are transparently bridging on this router! Thirdly, to accomodate more than two rings on a router you need this virtual ring. This is a limitation of the chips used in the routers. Have a look at this link: (Watch the wrap) I found this really useful - Solie book has some good srb and dlsw stuff too! http://www.cisco.com/univercd/cc/td/doc/product/software/ssr83/rpc_r/53999.htm HTH Richard Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=46897&t=46896 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]

