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Webcast-Catalyst9k
New Member

how to associate an E1 to specific group-async interface

hi,

i m trying to associate an E1 in the AS5300 to specific group-async interface and specific dialer interface. i use the same number of "dialer rotary-group" in the D channel configuration of the E1, in the async group interface and in the dialer one. A part of the config is :

!

interface Serial0:15

no ip address

encapsulation ppp

ip mroute-cache

dialer rotary-group 1

dialer-group 1

autodetect encapsulation ppp v120

isdn switch-type primary-net5

isdn incoming-voice modem

no fair-queue

no cdp enable

!

interface Group-Async1

ip unnumbered Loopback0

encapsulation ppp

ip tcp header-compression passive

dialer in-band

dialer rotary-group 1

async dynamic address

async mode interactive

peer default ip address pool my_pool

no fair-queue

ppp authentication pap chap

group-range 1 30

!

interface Dialer1

ip unnumbered Loopback0

encapsulation ppp

dialer in-band

dialer-group 1

peer default ip address pool my_pool

no fair-queue

no cdp enable

ppp authentication pap chap

ppp multilink

!

ther is no problem with ISDN calls, but when i try an async call to this E1 i can get anyone of the modems (from 1 to 240) and if i get for exemple the modem 40 (1/39) i'll be in an other async-group which contains the modem 40 in its range and which has a different configuration from group-async1 interface. it is possible tu resolve this problem by changing or adding something else in this configuration?

thank you for your help.

2 REPLIES
New Member

Re: how to associate an E1 to specific group-async interface

Because the IOS punts the call over to the group-async as soon as it figures out that it has a voice bearer cap, watch "debug isdn q931" and "debug modem csm". You will probably have to setup modem-pooling or resouce pool management to get this working.

Josh

Bronze

Re: how to associate an E1 to specific group-async interface

If you have not implemented this yet, here is what all you need :

(DNIS and Modem Pooling With a PRI Line)

http://www.cisco.com/warp/customer/793/access_dial/pri_dnis_mpool.html

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