RE: Direct Encapsulation

From: Mingzhou Nie (mnie@xxxxxxxxx)
Date: Mon May 20 2002 - 00:07:07 GMT-3


   
Not true. Both FST and direct encap support ethernet to token-ring.

http://www.cisco.com/warp/public/cc/pd/ibsw/ibdlsw/tech/dls24_rg.htm

--- "Lupi, Guy" <Guy.Lupi@eurekaggn.com> wrote:
> I believe they are referring to the fact that direct encapsulation
> and FST
> do not support media translation. You can get the peers to come up,
> but
> data won't pass. I know that you can use direct or fst encapsulation
> Token
> ring to Token ring, I have never tested Ethernet to Ethernet. The
> peers
> will come up, but data transfer won't work if using direct or fst
> Token ring
> to Ethernet. I believe it has to do with the fact that direct
> encapsulation
> must use pass-thru, and so the llc2 session is not locally
> acknowledged, it
> is end to end. Does someone know exactly where the problem lies with
> Token
> ring to Ethernet with direct or fst encapsulation? Is it just the
> fact that
> llc2 pass thru is not supported on differing media types?
>
> ~-----Original Message-----
> ~From: Babacar Diop [mailto:babacard2000@yahoo.com]
> ~Sent: Saturday, April 20, 2002 11:43 AM
> ~To: cciegroup
> ~Subject: Direct Encapsulation
> ~
> ~
> ~I have read in a cisco doc that "Direct encapsulation
> ~is supported only when the end systems reside in Token
> ~Ring". I am sure what this means because i have
> ~configured direct encapsulation between a To interface
> ~on one router and two ethernet interfaces on two
> ~remote routers. One circuit is up but the other not.
> ~
> ~Any ideas on this?
> ~
> ~Thanks
> ~



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