Have this cisco modem ever worked on ur line? You said dsl over ISDN, is this an IDSL? I know that some modems aren't compatible w/the dslams, or the Card connecting the circuit at the CO. Ask the provider, see what their recommendation on the modems.
----- Original Message ----- From: "dlci_16" To: Sent: Sunday, June 15, 2003 1:44 PM Subject: ADSL over ISDN question [7:70676] > Hello > i am having layer 1 problems in placing an 836 router for ADSL over ISDN, > the story so far ; > the LEDs of the ATM interface (Rx,Tx and CD) keep going on and > off(constantly, > yes i know, not good), > doing a #show ip int brief, obviously shows that both ATM0 and ATM0.1 are in > down state (they are not admin. down), > i have followed Cisco4s troubleshooting 'steps' from their website, from > checking if DSL port is plugged in correctly, checking correct powersupply, > placing dsl operating-mode in auto to checking if the circuit is tested (i > have placed an Alcatel SpeedTouch and it works), now i am running out of > options. > > a curious thing is when i issue a #debug atm event, i get the usual readout > for activation state changes, then : > "LOCAL:Max noise margin for power cutoff 31" > followed by a long list of bad news, "modem state 0x8", > on other adsl capable cisco routers(not over ISDN) i usually have dsl > power-cutback set at 0 at the interface ATM 0, > whereas with this router, i dont have this option. i tried to hunt for any > intel relating to what does this power-cutback 'feature' actually > do and if its related to this layer 1 problem and found nothing, maby i am > taking the wrong approach to figuering what > is wrong/missing, maby i should leave that Alcatel modem running and put that > cisco router back in the box > > thing is i dont know where to look anymore, > help? ;) > > > > sample of my config: > ! > vpdn enable > ! > vpdn-group pppoe > request-dialin > protocol pppoe > ! > interface Ethernet0 > ip address 192.168.0.210 255.255.255.0 > ip nat inside > ip tcp adjust-mss 1452 > ! > interface ATM0 > no ip address > no atm ilmi-keepalive > dsl operating-mode auto > ! > ! > interface ATM0.1 point-to-point > pvc 0/35 > pppoe-client dial-pool-number 1 > ! > ! > interface Dialer1 > mtu 1492 > ip address negotiated > ip nat outside > encapsulation ppp > dialer pool 1 > no cdp enable > ppp chap hostname xxx > ppp chap password 7 xxx > ppp pap sent-username xxx password 7 xxx > ! > ip nat inside source list 1 interface Dialer1 overload > ip classless > ip route 0.0.0.0 0.0.0.0 Dialer1 > ! > access-list 1 permit 192.168.0.0 0.0.0.255 > ! Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=70678&t=70676 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
