Richard,
If I'm not mistaken the 3920 uses the default bridge (hex)
number of 0x1. You most likely will want to make sure that the second
3920 isn't using the same default ring/bridge IDs.
Here's a link that may "ring" through when trying to figure out these
"tokens" :->
http://www.cisco.com/univercd/cc/td/doc/product/lan/cat3920/3920ug4/vlantut.htm
HTH
Nigel
>From: "Mr. Richard L. Pickard" >Reply-To: "Mr. Richard L. Pickard" >To:
[EMAIL PROTECTED] >Subject: token ring interface & 3920 Catalyst
[7:42766] >Date: Sat, 27 Apr 2002 21:24:23 -0400 > >4/27/2002 8:30pm
Saturday > >Professionals, > >I have a 4000-M router with 12.1.14
Enterprise+ >It is populated as follows - >dual token ring, dual
ethernet, quad serial >All interfaces are in use except S1 & S2 >Until a
few hours ago each token ring interface was connected a different
>SynOptics LatttisRing 2705B, TR0 on the 180.x.x.x network & TR1 on the
>198.x.x.x network. Everything works fine. >I moved all the users from
the first MAU to a new Catalyst 3920 & hooked up >TR0 & everything was
still fine. >I moved all the users from the second MAU to a second new
Catalyst 3920 & >hooked up TR1. The users are good to go BUT line
protocol on TR1 will not >come up. I tried different ports on the 3920 &
then rebooted the router & >switch. TR1 will still not come up. >I tried
"sho CDP neighbors" & the router does not see the second 3920. I >put in
back in the SynOptics & guess what --- it comes up !!! >I plugged a 2502
router in to the second 3920 & it comes up fine. >What am I overlooking ?
Or is there a chipset limitation on the NP card of >the 4000-M router ? >
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