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-   -   Soho 97 Dial Backup fails (http://www.velocityreviews.com/forums/t28905-soho-97-dial-backup-fails.html)

Richard Weatherley 07-08-2003 08:58 AM

Soho 97 Dial Backup fails
 
Hi

I can't get dial backup working on a Soho 97.
The modem on the AUX port never dials.
Debugging reveals the error:

Di1 DDR: Cannot place call, no dialer string set

Relevant parts of config (sanitized):

modemcap entry aopen:MSC=&F1S0=0
chat-script dialout ABORT ERROR ABORT BUSY "" "AT" OK "ATDT nnnnnn \T"
TIMEOUT 60 CONNECT \c
!
interface ATM0
no ip address
backup interface async1
backup delay 10 10
no ip mroute-cache
atm vc-per-vp 64
no atm ilmi-keepalive
pvc 8/35
encapsulation aal5mux ppp dialer
dialer pool-member 1
dsl operating-mode auto
!
interface Dialer1
ip address negotiated
no ip directed-broadcast
ip access-group 110 in
ip inspect from_internal out
no cdp enable
encapsulation ppp
dialer pool 1
dialer-group 1
ppp authentication chap pap callin
ppp chap hostname xxx
ppp chap password 7 zzz
ppp pap sent-username xxx password 7 yyy
hold-queue 224 in
!
interface Async1
no ip address
encapsulation ppp
dialer in-band
dialer pool-member 2
async default routing
async mode dedicated
!
interface Dialer2
ip address negotiated
encapsulation ppp
no ip directed-broadcast
ip access-group 110 in
ip inspect from_internal out
no cdp enable
no ip route-cache
no ip mroute-cache
dialer pool 2
dialer-group 1
dialer idle-timeout 300
dialer remote-name pacific
dialer string nnnnnnnn modem-script dialout
ppp authentication chap pap
ppp chap hostname xxx
ppp chap password 7 zzz
ppp pap sent-username xxx password 7 yyy
ppp ipcp dns request
ppp ipcp mask request
!
ip classless
ip route 0.0.0.0 0.0.0.0 Dialer1 150
dialer-list 1 protocol ip permit
!
line aux 0
script dialer dialout
modem callout
modem autoconfigure type aopen
transport input all
stopbits 1
speed 57600
flowcontrol hardware

Debugging settings:

debug atm events
debug ip routing
debug dialer
debug modem
debug chat line 1
debug ppp negotiation

Debugging output when DSL line unplugged
(to test dial backup):

00:55:48: %LINK-5-CHANGED: Interface Async1, changed state to standby mode
00:55:51: DSL: Defect: LOS LOF LCDf LOM: retraining
00:55:51: DSL: Received response: 0x41
00:55:51: Resetting ATM0
00:55:53: %LINK-3-UPDOWN: Interface ATM0, changed state to down
00:55:53: DSL: SM: [DMTDSL_SHOWTIME -> DMTDSL_RE_OPEN]
00:55:53: DSL: Send ADSL_CLOSE command.
00:55:53: DSL: Sent command 0x4
00:55:54: DSL: Received response: 0x25
00:55:54: DSL: Connection closed
00:55:54: DSL: SM: [DMTDSL_RE_OPEN -> DMTDSL_DO_OPEN]
00:55:54: DSL: Send ADSL_OPEN command.
00:55:54: DSL: Using subfunction 0x15
00:55:54: DSL: Using subfunction 0x15
00:55:54: LOCAL:Max noise margin for power cutoff 31
00:55:54: DSL: Sent command 0x3
00:55:54: %LINEPROTO-5-UPDOWN: Line protocol on Interface ATM0, changed
state to down
00:55:54: %LINK-3-UPDOWN: Interface Virtual-Access3, changed state to down
00:55:54: Vi3 IPCP: Remove link info for cef entry 203.9.190.190
00:55:54: Vi3 CDPCP: State is Closed
00:55:54: Vi3 IPCP: State is Closed
00:55:54: Vi3 PPP: Phase is ESTABLISHING, renegotiate LCP
00:55:54: Vi3 PPP: No remote authentication for call-out
00:55:54: Vi3 LCP: O CONFREQ [Closed] id 12 len 10
00:55:54: Vi3 LCP: MagicNumber 0x0D5B454E (0x05060D5B454E)
00:55:54: %DIALER-6-UNBIND: Interface Vi3 unbound from profile Di1
00:55:54: RT: Pruning routes for Dialer1 (3)
00:55:54: RT: delete route to 203.9.190.190 via 0.0.0.0, Dialer1
00:55:54: RT: no routes to 203.9.190.190, flushing
00:55:54: RT: NET-RED 203.9.190.190/32
00:55:54: RT: NET-RED queued, Queue size 1
00:55:54: RT: delete network route to 203.9.190.0
00:55:54: RT: NET-RED 203.9.190.0/24
00:55:54: RT: NET-RED queued, Queue size 2
00:55:54: Vi3 LCP: State is Closed
00:55:54: Vi3 PPP: Phase is DOWN
00:55:54: RT: delete route to 203.100.236.210 via 0.0.0.0, Dialer1
00:55:54: RT: no routes to 203.100.236.210, flushing
00:55:54: RT: NET-RED 203.100.236.210/32
00:55:54: RT: NET-RED queued, Queue size 1
00:55:54: RT: delete network route to 203.100.236.0
00:55:54: RT: NET-RED 203.100.236.0/24
00:55:54: RT: NET-RED queued, Queue size 2
00:55:54: RT: delete route to 0.0.0.0 via 0.0.0.0, Dialer1
00:55:54: RT: no routes to 0.0.0.0, flushing
00:55:54: RT: NET-RED 0.0.0.0/0
00:55:54: RT: NET-RED queued, Queue size 1
00:55:54: RT: NET-RED 0.0.0.0/0
00:55:54: RT: NET-RED queued, Queue size 2
00:55:54: Di1 IPCP: Remove route to 203.9.190.190
00:55:55: %LINEPROTO-5-UPDOWN: Line protocol on Interface
Virtual-Access3, changed state to down
00:55:55: RT: add 0.0.0.0/0 via 0.0.0.0, static metric [150/0]
00:55:55: RT: NET-RED 0.0.0.0/0
00:55:55: RT: NET-RED queued, Queue size 1
00:55:55: RT: default path is now 0.0.0.0 via 0.0.0.0
00:55:55: RT: new default network 0.0.0.0
00:55:55: RT: NET-RED 0.0.0.0/0
00:55:55: RT: NET-RED queued, Queue size 2
00:55:56: Di1 DDR: Cannot place call, no dialer string set

Any help gratefully received.

Richard


Aaron Leonard 07-08-2003 08:22 PM

Re: Soho 97 Dial Backup fails
 


~ Hi
~
~ I can't get dial backup working on a Soho 97.
~ The modem on the AUX port never dials.
~ Debugging reveals the error:
~
~ Di1 DDR: Cannot place call, no dialer string set
^^^

You're trying to dial out via Dialer1, not Dialer2.
Adjust your backup scheme so that you try to call via
Dialer2.

"backup interface async1" is no good - async1 is not
a dialer interface (and besides, it won't cover the
case where the ATM0 physical interface stays up but the
IP path to the aggregation router goes down.)

I'd recommend using dialer watch on the host route to
the peer's (aggregation router's) address.

Aaron

---

~ Relevant parts of config (sanitized):
~
~ modemcap entry aopen:MSC=&F1S0=0
~ chat-script dialout ABORT ERROR ABORT BUSY "" "AT" OK "ATDT nnnnnn \T"
~ TIMEOUT 60 CONNECT \c
~ !
~ interface ATM0
~ no ip address
~ backup interface async1
~ backup delay 10 10
~ no ip mroute-cache
~ atm vc-per-vp 64
~ no atm ilmi-keepalive
~ pvc 8/35
~ encapsulation aal5mux ppp dialer
~ dialer pool-member 1
~ dsl operating-mode auto
~ !
~ interface Dialer1
~ ip address negotiated
~ no ip directed-broadcast
~ ip access-group 110 in
~ ip inspect from_internal out
~ no cdp enable
~ encapsulation ppp
~ dialer pool 1
~ dialer-group 1
~ ppp authentication chap pap callin
~ ppp chap hostname xxx
~ ppp chap password 7 zzz
~ ppp pap sent-username xxx password 7 yyy
~ hold-queue 224 in
~ !
~ interface Async1
~ no ip address
~ encapsulation ppp
~ dialer in-band
~ dialer pool-member 2
~ async default routing
~ async mode dedicated
~ !
~ interface Dialer2
~ ip address negotiated
~ encapsulation ppp
~ no ip directed-broadcast
~ ip access-group 110 in
~ ip inspect from_internal out
~ no cdp enable
~ no ip route-cache
~ no ip mroute-cache
~ dialer pool 2
~ dialer-group 1
~ dialer idle-timeout 300
~ dialer remote-name pacific
~ dialer string nnnnnnnn modem-script dialout
~ ppp authentication chap pap
~ ppp chap hostname xxx
~ ppp chap password 7 zzz
~ ppp pap sent-username xxx password 7 yyy
~ ppp ipcp dns request
~ ppp ipcp mask request
~ !
~ ip classless
~ ip route 0.0.0.0 0.0.0.0 Dialer1 150
~ dialer-list 1 protocol ip permit
~ !
~ line aux 0
~ script dialer dialout
~ modem callout
~ modem autoconfigure type aopen
~ transport input all
~ stopbits 1
~ speed 57600
~ flowcontrol hardware
~
~ Debugging settings:
~
~ debug atm events
~ debug ip routing
~ debug dialer
~ debug modem
~ debug chat line 1
~ debug ppp negotiation
~
~ Debugging output when DSL line unplugged
~ (to test dial backup):
~
~ 00:55:48: %LINK-5-CHANGED: Interface Async1, changed state to standby mode
~ 00:55:51: DSL: Defect: LOS LOF LCDf LOM: retraining
~ 00:55:51: DSL: Received response: 0x41
~ 00:55:51: Resetting ATM0
~ 00:55:53: %LINK-3-UPDOWN: Interface ATM0, changed state to down
~ 00:55:53: DSL: SM: [DMTDSL_SHOWTIME -> DMTDSL_RE_OPEN]
~ 00:55:53: DSL: Send ADSL_CLOSE command.
~ 00:55:53: DSL: Sent command 0x4
~ 00:55:54: DSL: Received response: 0x25
~ 00:55:54: DSL: Connection closed
~ 00:55:54: DSL: SM: [DMTDSL_RE_OPEN -> DMTDSL_DO_OPEN]
~ 00:55:54: DSL: Send ADSL_OPEN command.
~ 00:55:54: DSL: Using subfunction 0x15
~ 00:55:54: DSL: Using subfunction 0x15
~ 00:55:54: LOCAL:Max noise margin for power cutoff 31
~ 00:55:54: DSL: Sent command 0x3
~ 00:55:54: %LINEPROTO-5-UPDOWN: Line protocol on Interface ATM0, changed
~ state to down
~ 00:55:54: %LINK-3-UPDOWN: Interface Virtual-Access3, changed state to down
~ 00:55:54: Vi3 IPCP: Remove link info for cef entry 203.9.190.190
~ 00:55:54: Vi3 CDPCP: State is Closed
~ 00:55:54: Vi3 IPCP: State is Closed
~ 00:55:54: Vi3 PPP: Phase is ESTABLISHING, renegotiate LCP
~ 00:55:54: Vi3 PPP: No remote authentication for call-out
~ 00:55:54: Vi3 LCP: O CONFREQ [Closed] id 12 len 10
~ 00:55:54: Vi3 LCP: MagicNumber 0x0D5B454E (0x05060D5B454E)
~ 00:55:54: %DIALER-6-UNBIND: Interface Vi3 unbound from profile Di1
~ 00:55:54: RT: Pruning routes for Dialer1 (3)
~ 00:55:54: RT: delete route to 203.9.190.190 via 0.0.0.0, Dialer1
~ 00:55:54: RT: no routes to 203.9.190.190, flushing
~ 00:55:54: RT: NET-RED 203.9.190.190/32
~ 00:55:54: RT: NET-RED queued, Queue size 1
~ 00:55:54: RT: delete network route to 203.9.190.0
~ 00:55:54: RT: NET-RED 203.9.190.0/24
~ 00:55:54: RT: NET-RED queued, Queue size 2
~ 00:55:54: Vi3 LCP: State is Closed
~ 00:55:54: Vi3 PPP: Phase is DOWN
~ 00:55:54: RT: delete route to 203.100.236.210 via 0.0.0.0, Dialer1
~ 00:55:54: RT: no routes to 203.100.236.210, flushing
~ 00:55:54: RT: NET-RED 203.100.236.210/32
~ 00:55:54: RT: NET-RED queued, Queue size 1
~ 00:55:54: RT: delete network route to 203.100.236.0
~ 00:55:54: RT: NET-RED 203.100.236.0/24
~ 00:55:54: RT: NET-RED queued, Queue size 2
~ 00:55:54: RT: delete route to 0.0.0.0 via 0.0.0.0, Dialer1
~ 00:55:54: RT: no routes to 0.0.0.0, flushing
~ 00:55:54: RT: NET-RED 0.0.0.0/0
~ 00:55:54: RT: NET-RED queued, Queue size 1
~ 00:55:54: RT: NET-RED 0.0.0.0/0
~ 00:55:54: RT: NET-RED queued, Queue size 2
~ 00:55:54: Di1 IPCP: Remove route to 203.9.190.190
~ 00:55:55: %LINEPROTO-5-UPDOWN: Line protocol on Interface
~ Virtual-Access3, changed state to down
~ 00:55:55: RT: add 0.0.0.0/0 via 0.0.0.0, static metric [150/0]
~ 00:55:55: RT: NET-RED 0.0.0.0/0
~ 00:55:55: RT: NET-RED queued, Queue size 1
~ 00:55:55: RT: default path is now 0.0.0.0 via 0.0.0.0
~ 00:55:55: RT: new default network 0.0.0.0
~ 00:55:55: RT: NET-RED 0.0.0.0/0
~ 00:55:55: RT: NET-RED queued, Queue size 2
~ 00:55:56: Di1 DDR: Cannot place call, no dialer string set
~
~ Any help gratefully received.
~
~ Richard



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