Hey folks:
I'm struggling with an ISDN issue in which the call comes up, but then is
immediately dropped without the interesting traffic being sent. I'm an
ISDN neophyte, so I'm more than willing to admit a config error on my part,
but from what I can see, my first thought is that it's a provider issue.
Anyone ever experienced this before?
Thanks,
BJ
Debug dialer shows:
Jul 3 15:02:14.261: BR0/0 DDR: Dialing cause ip (s=w.x.y.z+1, d=w.x.y.z)
Jul 3 15:02:14.261: BR0/0 DDR: Attempting to dial (number)..
Jul 3 15:02:17: %LINK-3-UPDOWN: Interface BRI0/0:1, changed state to up
Jul 3 15:02:18: %ISDN-6-CONNECT: Interface BRI0/0:1 is now connected to
(number)
Jul 3 15:02:18: %LINK-3-UPDOWN: Interface BRI0/0:1, changed state to down
Jul 3 15:02:18.045: BR0/0:1 DDR: disconnecting call
Debug isdn q921 shows:
Jul 3 15:05:35: %ISDN-6-CONNECT: Interface BRI0/0:1 is now connected to
(number)
Jul 3 15:05:35: %ISDN-6-DISCONNECT: Interface BRI0/0:1 disconnected from
(number) , call lasted 1 seconds
Debug isdn q931 shows:
Jul 3 15:08:03.270: ISDN BR0/0: TX -> SETUP pd = 8 callref = 0x0C
Jul 3 15:08:03.270: Bearer Capability i = 0x8890218F
Jul 3 15:08:03.274: Channel ID i = 0x83
Jul 3 15:08:03.274: Keypad Facility i = 'number'
Jul 3 15:08:03.470: ISDN BR0/0: RX CONNECT_ACK pd = 8 callref = 0x0C
Jul 3 15:08:07.354: ISDN BR0/0: RX RELEASE pd = 8 callref = 0x0C
Jul 3 15:08:07.402: ISDN BR0/0: RX <- INFORMATION pd = 8 callref = (null)
Feature Indicate i = 0x8100
Jul 3 15:08:07.450: ISDN BR0/0: RX <- RELEASE_COMP pd = 8 callref = 0x8C.
Relevant Config:
interface Dialer16
description ISDN dial backup to John Doe
bandwidth 56
ip address w.x.y.z+1 / 30
no ip directed-broadcast
ip nat outside
encapsulation ppp
dialer remote-name JohnDoe
dialer string (number) class top1r2
dialer pool 6
dialer-group 1
pulse-time 0
ppp authentication chap
interface BRI1/5
description ISDN dial backup Group #6
bandwidth 56
no ip address
no ip directed-broadcast
encapsulation ppp
dialer pool-member 6
isdn switch-type basic-ni
isdn spid1 (x)
isdn spid2 (y)
no fair-queue
ppp authentication chap
map-class dialer top1r2
dialer idle-timeout 1800
dialer isdn speed 56
(interesting traffic defined as all TCP)
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