[c-nsp] 857W ADSL Connection Problems

James O'Farrell James.O'Farrell at valuelink.co.uk
Wed Jul 20 10:58:14 EDT 2005


I have recently purchased 2 857W boxes and no matter what I try I cannot
get the ATM0(ADSL) interface to connect. The site I am testing from
currently has an 837 which works fine (2Mb down/512Kb Up, line in the
UK). 

I have tried various ios images from the first to the most current and
the same problem remains. 

Any help/ideas would be much appreciated 

Thanks in advance 
JOF 

Output of debug atm events; 
*Mar 1 01:07:26.171: DSL: Send ADSL_OPEN command. 
*Mar 1 01:07:26.171: DSL(ATM0): Using subfunction 0x0 
*Mar 1 01:07:26.171: LOCAL:Max noise margin for power cutoff 31 
*Mar 1 01:07:26.171: DSL(ATM0): Sent command 0x3 
*Mar 1 01:07:28.671: DSL(ATM0): 1: Modem state = 0x9 
*Mar 1 01:07:31.171: DSL(ATM0): 2: Modem state = 0x10 
*Mar 1 01:07:33.671: DSL(ATM0): 3: Modem state = 0x10 
*Mar 1 01:07:36.171: DSL(ATM0): 4: Modem state = 0x10 
*Mar 1 01:07:38.671: DSL(ATM0): 5: Modem state = 0x10 
*Mar 1 01:07:40.623: DSL: Received response: 0x22 
*Mar 1 01:07:40.623: DSL: Open failed: Error in early non-CRC message or
in fir 
st CRC-covered message -- retrying 
*Mar 1 01:07:40.623: sleep 5 seconds 

For some reason the DSLAM returns an 0x22 code (Dose anyone know what
this means?) during the connection. I assume the DSLAM has sent the code
as a 0x10 code has come back. 

The Config 
Building configuration... 

Current configuration : 2947 bytes 
! 
version 12.3 
no service pad 
service timestamps debug datetime msec 
service timestamps log datetime msec 
no service password-encryption 
! 
hostname yourname 
! 
boot-start-marker 
boot-end-marker 
! 
logging buffered 51200 warnings 
! 
username cisco privilege 15 secret 5 $1$3BsE$XlXJK65SL6XbimmR4idv9/ 
no aaa new-model 
ip subnet-zero 
ip dhcp excluded-address 10.10.10.1 
! 
ip dhcp pool sdm-pool 
import all 
network 10.10.10.0 255.255.255.248 
default-router 10.10.10.1 
lease 0 2 
! 
! 
ip cef 
no ip domain lookup 
ip domain name yourdomain.com 
no ftp-server write-enable 
! 
crypto pki trustpoint TP-self-signed-720084316 
subject-name cn=IOS-Self-Signed-Certificate-720084316 
revocation-check none 
rsakeypair TP-self-signed-720084316 
! 
! 
! 
! 
! 
! 
! 
interface ATM0 
no ip address 
no ip mroute-cache 
atm vc-per-vp 64 
no atm ilmi-keepalive 
pvc 0/38 
encapsulation aal5mux ppp dialer 
dialer pool-member 1 
! 
dsl operating-mode auto 
! 
interface FastEthernet0 
no ip address 
shutdown 
no cdp enable 
! 
interface FastEthernet1 
no ip address 
shutdown 
no cdp enable 
! 
interface FastEthernet2 
no ip address 
shutdown 
no cdp enable 
! 
interface FastEthernet3 
no ip address 
shutdown 
no cdp enable 
! 
interface Dot11Radio0 
no ip address 
shutdown 
speed basic-1.0 basic-2.0 basic-5.5 6.0 9.0 basic-11.0 12.0 18.0 24.0
36.0 48.0 
54.0 
station-role root 
no cdp enable 
! 
interface Vlan1 
description $ETH-SW-LAUNCH$$INTF-INFO-HWIC 4ESW$ 
ip address 10.10.10.1 255.255.255.248 
ip tcp adjust-mss 1452 
! 
interface Dialer1 
ip address negotiated 
encapsulation ppp 
dialer pool 1 
dialer-group 1 
no cdp enable 
ppp authentication chap 
ppp chap hostname abc at abc.com <mailto:abc at abc.com>  
ppp chap password xxxxxxxxxxxxxxxxxxxxxxxxxx 
hold-queue 224 in 
! 
ip classless 
! 
ip http server 
ip http authentication local 
ip http secure-server 
ip http timeout-policy idle 600 life 86400 requests 10000 
! 
no cdp run 
! 
control-plane 
! 
! 
line con 0 
login local 
no modem enable 
transport preferred all 
transport output all 
line aux 0 
transport preferred all 
transport output all 
line vty 0 4 
privilege level 15 
login local 
transport preferred all 
transport input telnet ssh 
transport output all 
! 
scheduler max-task-time 5000 
end


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