[c-ubr] Connect multiple upstreams of a single optical node with the same downstream

[Yann GAUTERON]

Dear all,

I am trying in a lab with a Cisco uBR-7114 router to assign to an HFC 
node one downstream and two upstreams (on different frequencies). My 
wish was that with such a configuration the CMTS would assign every 2 CM 
on one upstream (upstream 0) and every 2 other CM on the second upstream 
(upstream 1).

After trials in my lab, I have no success. Do you know if this Cisco uBR 
can support such a fonctionality ? If yes, do you have an idea how to 
configure it in order to dynamically assign one upstream (or one 
frequency, if you prefer) to a modem at the initialization phase ?

Last question: Would I have the same problem, if I were using uBR7206 
routers (with MC16C or MC28S cards) ?

I know it is easy to do it with two different downstreams with a config 
file assigning the modem one or the other downstream, but I can not 
realize my idea with one downstream and two upstreams.

Thank you for your answers,
Yann Gauteron