I agree with you.... transparent bridges are just that, transparent.  Any
retransmittal of corrupt or lost frames would need to be done by the end
station.... AFAIK, (with ethernet) even if a device receives a corrupt
frame, at layer 2, it simply discards it.... it doesn't "request
retransmittal" as that is left to higher protocols to correct.

Mike W.

"Kaminski, Shawn G"  wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> I've always known routers to "route" and bridges to "learn, filter,
forward,
> and flood". A co-worker said that if a router is configured with
transparent
> bridging, it can re-transmit a frame. He said that he heard this
somewhere.
> I'm pretty sure he's wrong because this just isn't something that a
> router/bridge is meant to do. I also searched CCO but came up
empty-handed.
>
> For example, say you have two segments connected to a router; one segment
> off of e0 and one segment off of e1. If a host on the e0 segment sends a
> frame to a host on the e1 segment and a collision occurs on the e1 segment
> before reaching the destination host, then I believe that the host on e0
is
> responsible for re-transmitting the frame, not the router/bridge.
>
> Has anyone heard of a router configured with transparent bridging
> re-transmitting frames? I just can't see how this could happen. However,
> I've seen stranger things happen, so I just wanted to get the opinions of
> others on this group.
>
> Shawn K.




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