I am trying to setup an isdn scenerio, where routerA has 1 B channel, and
routerB has 1 B channel.  routerA calls routerB, and then traffic
bi-directionally flows over the single B channel.

What i am running into though, is if I leave the dialer map off routerB,
then it complains "no dialer string" for the return path packets.  If I
put the dialer map in place, it complains "no channel available" (because
its "busy" since its already connected from answering routerA's call).

So my question is, how do you get the traffic to flow bi-directional over
a single channel, so that routerB needs no dialer map.

routerA
=======
interface BRI0
 ip address 212.1.22.146 255.255.255.240
 encapsulation ppp
 bandwidth 128
 dialer wait-for-carrier-time 10
 dialer map ip 212.1.22.145 6711173
 dialer-group 1
 isdn spid1 31867111720101

ip route 0.0.0.0 0.0.0.0 212.1.22.145 

dialer-list 1 protocol ip permit

routerB
=======
interface BRI0
 ip address 212.1.22.145 255.255.255.240
 encapsulation ppp
 bandwidth 128
 isdn spid1 31867111730101
 dialer wait-for-carrier-time 10
 dialer-group 1

ip route 0.0.0.0 0.0.0.0 212.1.22.146 

dialer-list 1 protocol ip permit


Thanks for any help,

Brian

-----------------------------------------------
Brian Feeny, CCNP, CCDP       [EMAIL PROTECTED]   
Network Administrator         
ShreveNet Inc. (ASN 11881)            

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