Thanks for that, sorry I should have mentioned that I had the dialer-list statement.
I have tried adding the ppp authentication and I have the same problem. Here is a log of the config and debug output.
When I manually issue an ATM0 clear, it brings the DSL up
interface ATM0
no ip address
no ip mroute-cache
no atm ilmi-keepalive
dsl operating-mode auto
hold-queue 224 in
pvc 0/38
encapsulation aal5mux ppp dialer
dialer pool-member 1
!
!
interface FastEthernet0
description Customer LAN
ip address 1.1.1.1 255.255.255.248
speed auto
!
interface Serial0
description Link to ISP
bandwidth 1024
backup interface Dialer1
ip address 2.2.2.2 255.255.255.252
!
interface Dialer1
ip address negotiated
encapsulation ppp
dialer pool 1
ppp authentication chap
ppp chap hostname user@account.realm.net
ppp chap password 0 1234
ppp pap sent-username user@account.realm.net password 0 1234
!
ip classless
ip route 0.0.0.0 0.0.0.0 Serial0
ip route 0.0.0.0 0.0.0.0 Dialer1 254
no ip http server
!
dialer-list 1 protocol ip permit
!
00:01:48: %LINK-3-UPDOWN: Interface Serial0, changed state to down
00:01:48: BACKUP(Serial0): event = primary interface went down
00:01:48: BACKUP(Serial0): changed state to "waiting to backup"
00:01:48: BACKUP(Serial0): event = timer expired on primary
00:01:48: BACKUP(Serial0): secondary interface (Dialer1) made active
00:01:48: BACKUP(Serial0): changed state to "backup mode"
00:01:49: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0, changed state to down
00:01:49: BACKUP(Serial0): event = primary interface went down
00:01:50: %LINK-3-UPDOWN: Interface Dialer1, changed state to up
00:01:50: BACKUP(Dialer1): event = secondary interface came up
00:01:51: BACKUP(Dialer1): event = secondary interface came up
00:02:21: BACKUP(Serial0): event = primary interface went down
router#ping 64.233.183.103
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 64.233.183.103, timeout is 2 seconds:
.....
Success rate is 0 percent (0/5)
router#
router#
router#clear int atm0
router#
00:02:47: ATM0 dslsar_1a_reset: PLIM type is 18, Rate is 288Mbps
00:02:47: ATM0 dslsar_1a_shutdown: state=4
00:02:47: dslsar disable ATM0
00:02:47: Resetting ATM0
00:02:47: dslsar_1a_teardown_vc(ATM0): vc:1 vpi:0 vci:38
00:02:47: dslsar_1a_config(ATM0)
00:02:47: dslsar_1a_enable(ATM0)
00:02:47: ATM0: dslsar_init
00:02:47: ATM0 dslsar_MatchSARTxToLineSpeed(): usbw 288, clkPerCell 52013 prev_clkPerCell 9702
00:02:47: ATM0 dslsar_MatchSARTxToLineSpeed(): Changing line speed from fast to slow
00:02:47: ATM0 dslsar_update_us_bandwidth(): upstream bw =288 Kbps
00:02:48: (ATM0)1a_enable: delay activation of vcd=1, vc=0x82C4CFBC
00:02:48: %LINK-3-UPDOWN: Interface Virtual-Access2, changed state to down
00:02:49: dslsar enable ATM0
00:02:49: ATM0: dslsar_bringup_interface: Interface and atm_db flags are UP
00:02:50: dslsar_txRingParamInit_and_tcqSetup(): default tx-ring setting is selected for vpi/vci = 0/38
00:02:50: ATM0:dslsar_init_tx_chan_desc_per_vc, vcd = 1, addr = 0x00011040, size = 64
00:02:50: ATM0 dslsar_vc_setup: vcd 1
00:02:50: CONFIGURING(ATM0) VC 1 (0/38) IN TX SCHEDULE TABLE SET 0
00:02:50: (ATM0)Forcing Peakrate and Avgrate to: 288
00:02:50: (ATM0)Requested QoS: Peakrate = 288, Avgrate = 288, Burstsize =0
00:02:50: (ATM0)Configuring VC 1: slot 0 in TST 5
00:02:50: (ATM0) SUCCESSFUL CONFIGURATION OF VC 1 (0/38), QOS Type 4
00:02:50: dslsar_setup_cos(ATM0): vc:1 wred_name:- max_q:0
00:02:50: ATM0: vcd = 1, max_tx_time = 7450
00:06:47: Vi2 PPP: No authorization without authentication
00:06:47: Vi2 CHAP: I CHALLENGE id 212 len 35 from "ERX3.Sheffield"
00:06:47: Vi2 CHAP: Using hostname from interface CHAP
00:06:47: Vi2 CHAP: Using password from interface CHAP
00:06:47: Vi2 CHAP: O RESPONSE id 212 len 48 from "user@account.realm.net"
00:06:51: Vi2 CHAP: I SUCCESS id 212 len 4
00:06:52: %LINEPROTO-5-UPDOWN: Line protocol on Interface Virtual-Access2, changed state to up
