ATM to FR conversion

Unanswered Question
Jun 25th, 2008

Hi

i am facing some trouble on ATM to FR bunde confguration. i am having to router one enabled with ATM and second with FR card. there were two links terminated on ATM router and now i want to ectend those link to FR router. Need some on this req.

ATMR1--------FRR2

I have this problem too.
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n.nandrekar Wed, 06/25/2008 - 07:55

are you having ATM card on one side and FR on the other side of the same link? If so, this cannot be achieved.

if you are talking about,

---ATM (router1) eth--------- eth (router2)Fr---

Then it can be done.

Regards,

Niranjan

rajput_p Wed, 06/25/2008 - 08:13

Thanks Niranjan for replying... Yes you were right i am having one side ATM and on other side FR on same link. But my main idea is i am having 3 link and i want to bundel them into ATM to FR. Please suggest if any thing can be done with this senario...pls thanks in advance

tdrais Wed, 06/25/2008 - 09:01

If you are asking how to combine multiple frame circuits to one single atm this I don't know. This type of stuff is done by the circuit providers in most cases.

If you are asking how to combine a number of existing atm to frame circuits into what appears to be a single circuit then this document may help. You want to run mulitlink ppp over atm on one side and mulitlink ppp over frame on the other.

http://www.cisco.com/en/US/tech/tk1077/technologies_tech_note09186a00800b6098.shtml

This is not the best example but it does show both atm and frame in the same configuration. If you seach multilink ppp over frame/atm there are better multicircuit examples but they do not have atm and frame at the same time.

Paolo Bevilacqua Wed, 06/25/2008 - 09:16

Hi,

if you are running IP, normal routing will take care of this.

Router can do FR/ATM interworking (call it conversion if you want) that works as a L2 solution, but please explain the exact topology and problem to solve, to see if that is really needed.

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