From: Nick Shah (nshah@xxxxxxxxxxxxxx)
Date: Thu Jul 11 2002 - 21:48:53 GMT-3
I think you will need ppp auth. chap configured on both the ends. It seems
that pap doesnt work, no auth doesnt work. I had similar issue with AUX back
to back (simulating DDR)
Nick
----- Original Message -----
From: <perkinsr@WellsFargo.COM>
To: <ccielab@groupstudy.com>
Sent: Friday, July 12, 2002 2:41 AM
Subject: DDR via 2fxs, aux and modems...
> Here is another problem from my make-shift lab. For DDR, I have no ISDN
so
> I am trying to use a 3620 w/ a 2fxs card to simulate telco so that I can
> dial from 1 router to another via aux ports with identical 14.4 USR
> sportsters.
>
> When I send interesting traffic the call is initiated, the modems dial. I
> hear them connect but the pings are not successful. I did a debug ppp
nego
> and got the following output below, the calling router sends ppp packets,
> but the called router doesn't see them. The interface counters of both
> routers never recieve any packets, but when making a call the calling
router
> will increment CRC input errors.
>
> Bellow are the configs and debug output.
>
> Voice router (3620)
> voice-port 1/0/0
> !
> voice-port 1/0/1
> !
> !
> dial-peer voice 111 pots
> destination-pattern 111
> port 1/0/0
> !
> dial-peer voice 112 pots
> destination-pattern 112
> port 1/0/1
> !
>
> Calling router:
> chat-script Dialout ABORT ERROR ABORT BUSY "" "AT" OK "ATDT \T" TIMEOUT 45
> CONNE
> CT \c
> modemcap entry MY_USR_MODEM:MSC=&F1S0=1
> !
> interface Async1
> ip address 1.1.1.5 255.255.255.0
> encapsulation ppp
> dialer in-band
> dialer string 111
> dialer-group 1
> !
> dialer-list 1 protocol ip permit
> !
> line aux 0
> exec-timeout 0 0
> script dialer Dialout
> modem InOut
> modem autoconfigure discovery
> transport input all
> stopbits 1
> speed 38400
> flowcontrol hardware
>
> Called router:
> chat-script Dialout ABORT ERROR ABORT BUSY "" "AT" OK "ATDT \T" TIMEOUT 45
> CONNE
> CT \c
> modemcap entry MY_USR_MODEM:MSC=&F1S0=1
> !
> interface Async1
> ip address 1.1.1.6 255.255.255.0
> encapsulation ppp
> dialer in-band
> dialer string 112
> dialer-group 1
> !
> dialer-list 1 protocol ip permit
> !
> line aux 0
> exec-timeout 0 0
> script dialer Dialout
> modem InOut
> modem autoconfigure discovery
> transport input all
> stopbits 1
> speed 38400
> flowcontrol hardware
>
>
>
> debug ppp nego output:
> 02:00:12: %LINK-3-UPDOWN: Interface Async1, changed state to up.
> 02:00:12: As1 PPP: Treating connection as a callout
> 02:00:12: As1 PPP: Phase is ESTABLISHING, Active Open
> 02:00:12: As1 PPP: No remote authentication for call-out
> 02:00:12: As1 LCP: O CONFREQ [Closed] id 71 len 20
> 02:00:12: As1 LCP: ACCM 0x000A0000 (0x0206000A0000)
> 02:00:12: As1 LCP: MagicNumber 0x007A8CEE (0x0506007A8CEE)
> 02:00:12: As1 LCP: PFC (0x0702)
> 02:00:12: As1 LCP: ACFC (0x0802).
> Success rate is 0 percent (0/5)
> R5#
> 02:00:14: As1 LCP: TIMEout: State REQsent
> 02:00:14: As1 LCP: O CONFREQ [REQsent] id 72 len 20
> 02:00:14: As1 LCP: ACCM 0x000A0000 (0x0206000A0000)
> 02:00:14: As1 LCP: MagicNumber 0x007A8CEE (0x0506007A8CEE)
> 02:00:14: As1 LCP: PFC (0x0702)
> 02:00:14: As1 LCP: ACFC (0x0802)
> ...this repeats several times
> 02:00:30: As1 LCP: TIMEout: State REQsent
> 02:00:30: As1 LCP: O CONFREQ [REQsent] id 80 len 20
> 02:00:30: As1 LCP: ACCM 0x000A0000 (0x0206000A0000)
> 02:00:30: As1 LCP: MagicNumber 0x007A8CEE (0x0506007A8CEE)
> 02:00:30: As1 LCP: PFC (0x0702)
> 02:00:30: As1 LCP: ACFC (0x0802)
> R5#
> 02:00:32: As1 LCP: TIMEout: State REQsent
> 02:00:32: As1 LCP: State is Listen
> R5#
> 02:00:34: %LINK-5-CHANGED: Interface Async1, changed state to reset
> R5#
> 02:00:34: As1 LCP: State is Closed
> 02:00:34: As1 PPP: Phase is DOWN
> R5#
> 02:00:39: %LINK-3-UPDOWN: Interface Async1, changed state to down
> R5#
> 02:00:39: As1 LCP: State is Closed
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