Haven't you heard of the new high speed 'token ring ethernet adaptor' as
defined in RFC 2549???? ;)
Kenny
"Albert Ip" <[EMAIL PROTECTED]> wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> Token Ring and Ethernet does not operate on the same principles as
Ethernet.
> Ethernet uses Carrier Sense Multiple Access/ Collision Detection
(CSMA/CD).
> Token Ring uses token passing. Ethernet will send the packet out and
detect
> if there is a collision. Token Ring will not send out the information
> unless it can insert the information in a empty frame (token). In an
> Ethernet network, if the information is not for that host, the host will
> discard the information. In a Token Ring network, if the information is
not
> for that host, the host will past the frame onto the next host. There is
> never a collision in a Token Ring network. That is why you must have a MAU
> in a Token Ring Network.
>
> In the physical level, the roll/crossover cable will not work because the
> interface does not operation at the same ohms. I presume you used a
> DB15/RJ45 converter to connect to the router then use a roll cable to
> connect to the NIC. You must use a media filter to connect to the router
to
> use the RJ45 connector on the NIC.
>
> There is alot more difference between Ethernet and Token Ring. And
believe
> it or not, there is still alot of Token Ring out there. Also, you will
have
> to know all this to pass the CCIE exams.
>
>
> Albert
>
>
> -----Original Message-----
> From: Pierre-Alex [mailto:[EMAIL PROTECTED]]
> Sent: Tuesday, February 06, 2001 5:11 PM
> To: [EMAIL PROTECTED]
> Subject: Token Ring
>
>
> Pierre-Alex,
>
> I am not 100% sure but I don't see why you can't roll the cable. I have
> always had a mau involved but token ring operates on the same principles
as
> Ethernet as transmit and receive go. I am starting to doubt myself. Why
> don't you post to the ccie news group and see what the consensus is.
>
> Matthew
>
> -=-=-=-=-=-=-=-=-=-
> Matthew Herman
> Vice President
> GoOn-Line.com
> 530.891.4100
> 530.896.8242 (fax)
> [EMAIL PROTECTED]
>
> -----Original Message-----
> From: Pierre-Alex [mailto:[EMAIL PROTECTED]]
> Sent: Tuesday, February 06, 2001 4:59 PM
> To: Matthew Herman
> Subject: RE: Free Token ring NIC cards
>
> No problem!
>
> Quick Question: can I connect a PC (with a token ring nic) directly to the
> router token ring interface or
> do I need a MASU even for one machine?
>
> Pierre-Alex
>
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