Multilink BRI connection

[guy]

How do I place a priority on a bri interface so that the same channel is the first and only permanent connection and the others DOD.

[mljohnson]

You can't prioritize a particular B channel within a BRI; the switch tells the cisco which B-channel to use each time a call is placed. You can prioritize multiple BRI interfaces that are all in a rotary-group; you would do that with the "dialer priority" command under the BRI interfaces.

[bourse]

Do you mean you wish to bring up the second channel only if required? If so, you can use the dialer load-threshold command. For example:

dialer-load threshold 128

will only bring up a second channel if the first one is at 50% capacity.

[guy]

Overview, Customer is paying for a permanent connection on only one channel which will be up all the time, he also has the capacity for three more channels to come up on demand. I have configured this OK. But I need to ensure that the one permanent channel is always on the same BRI.