From: Manny Gonzalez (gonzalu@xxxxxxx)
Date: Mon Mar 18 2002 - 19:44:21 GMT-3
Yes, this is how you do transparent bridging in Token Ring. I believe
all you need is that. You may need to do "bridge 1 protocol ibm" but I
am not entirely sure...
"Lupi, Guy" wrote:
>
> I did have source bridge spanning on the interfaces, it still didn't work.
> The only time it worked was if I used the dlsw bridge-group command and put
> the token ring interface into that bridge group. I noticed you said that
> you do require the source bridge statements, but that doesn't seem to be the
> case, after I found that I got it working with the bridge group commands I
> removed all the srb commands and it still worked with no srb commands on the
> router. Why do you say you have to have them, are there certain situations
> where they are required, and some where they are not? By the way, my ASCII
> drawing didn't come out very well so I figured I would give it another shot
> below, any responses are appreciated:
>
> workstation--e0--r1--/\/\/\--r3--to0--to0--r6(bridge)--workstation
>
> -----Original Message-----
> From: Frank B [mailto:frank@buff-net.com]
> Sent: Monday, March 18, 2002 5:12 PM
> To: Lupi, Guy
> Cc: ccielab@groupstudy.com
> Subject: RE: DLSW and Source Bridge
>
> Guy,
> You also need the source-bridge spanning command on the token
> ring interface. This command enables spanning tree explorers. I assume
> you're testing using a windows workstation and enabling netbeui on you
> NIC. If so, you MUST enable spanning tree explorers to see the shares
> across the network if you use SRB.
>
> On your other comment, YES! You need SRB commands with token ring
> interfaces in DLSW. The router uses SRB to get from the physical ring
> through the "bridge" to the virtual-ring you created with the command:
>
> Source-bridge 1 1 12
>
> DLSW picks it up from the virtual ring.
>
> And lastly, this WILL work with the transparent bridging commands as you
> suspect. Try it out man...post your results to the group.
>
> Aloha, Frank
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> Lupi, Guy
> Sent: Monday, March 18, 2002 5:31 AM
> To: 'ccielab@groupstudy.com'
> Subject: DLSW and Source Bridge
>
> In documents that I have seen, it shows that on a token ring router
> running
> dlsw, all that is required is a source-bridge command i.e.
> "source-bridge
> ring-group 12", and on the interface "source-bridge 1 1 12" linking the
> interface to the virtual ring. I set up dlsw between a token ring
> router
> and an ethernet router, I don't have a token ring workstation so I set
> up
> one router with ethernet and token ring as a transparent bridge as seen
> below. But it didn't work like I thought. I could not get it to work
> with
> the source bridge commands, but when I made the token ring interface
> part of
> a bridge group and put in the dlsw bridge-group command, it worked with
> no
> problem, I could find the other workstation and transfer files. I have
> also
> seen configs where an ethernet router has a source bridge command when
> peering with a dlsw token ring router. When do we use the source bridge
> commands in dlsw, are they really necessary, or can it be done just
> using
> bridge groups? I included an ASCII drawing of what I had set up below,
> maybe the source bridge commands didn't work because I had this setup
> with
> the transparent bridge?
>
>
>
> workstation--------e0-------r1----/\/\/\----r3------------to0--------to0
> ----
> -----------r6--------------------e0--------workstation
>
> (Transparent bridge)
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