C3640: ISDN Dialin-Problems after IOS-Update

Unanswered Question
Feb 23rd, 2007

Hi,

after updating the IOS on a 3640 router

from

c3640-i-mz.120-7.T.bin

to

c3640-i-mz.122-31.bin

I had following problems:

- analog dialin didn't work anymore

- isdn dialin without callback didn't work anymore

- isdn dialin with callback still worked.

Here's the relevant part of the config:

ip address-pool local

virtual-profile virtual-template 1

virtual-profile aaa

isdn switch-type primary-net5

isdn voice-call-failure 0

chat-script offhook "" "ATH1" OK

chat-script callback ABORT ERROR ABORT BUSY "" "ATZ" OK "ATDT \T"TIMEOUT 30 CONNECT \c

chat-script dataport-v32 "" "ats0=1&c1&d2\\q3\\n7%c1" "OK" \c

!

controller E1 2/0

pri-group timeslots 1-30

!

controller E1 2/1

pri-group timeslots 1-30

!

interface Loopback0

ip address 192.168.13.1 255.255.255.0

!

interface Ethernet0/0

ip address 192.168.0.12 255.255.255.0

!

interface Serial2/0:15

no ip address

no ip directed-broadcast

encapsulation ppp

isdn switch-type primary-net5

isdn incoming-voice modem

peer default ip address pool TravelUser

fair-queue 64 256 0

ppp callback accept

ppp authentication chap

ppp multilink

!

interface Serial2/1:15

no ip address

no ip directed-broadcast

isdn switch-type primary-net5

isdn guard-timer 3000

fair-queue 64 256 0

!

interface Virtual-Template1

description fuer ISDN Dial in

ip unnumbered Loopback0

ip mroute-cache

load-interval 30

peer default ip address pool TravelUser

ppp callback accept

ppp authentication chap

ppp multilink

!

interface Group-Async1

no ip address

encapsulation ppp

load-interval 30

dialer in-band

dialer-group 1

async mode interactive

peer default ip address pool TravelUser

no fair-queue

ppp callback accept

ppp authentication chap

ppp multilink

group-range 97 108

!

ip local pool TravelUser 192.168.13.11 192.168.13.70

ip local pool vpn 192.168.13.111 192.168.13.170

ip route 0.0.0.0 0.0.0.0 192.168.0.1

!

map-class dialer rueckruf

dialer callback-server username

dialer-list 1 protocol ip permit

tacacs-server host 10.10.10.28 single-connection

!

line 97 108

session-timeout 120

exec-timeout 0 0

autoselect ppp

script modem-off-hook offhook

script arap-callback arap-callback

script callback callback

modem InOut

modem autoconfigure discovery

transport preferred telnet

transport input all

flowcontrol hardware

Maybe it's just a missing command which was default in the old IOS and isn't in the new.

By the way: I played back the old IOS and it works again like before.

Any ideas?

Thanks in advance

Rolf Fischer

I have this problem too.
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gmarogi Thu, 03/01/2007 - 07:15

issue the following command in the previlege level mode

hostname#debug isdn q921

hostname#debug isdn q931

and see the messgaes recieved

Rolf Fischer Thu, 03/29/2007 - 09:09

Paul,

thank you - I'm looking forward for your post.

We're running the 'old' IOS again because our travelling users need to dial in.

Regards

Rolf

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