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Posted by tg on July 30, 2008, 4:46 pm
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Cisco 2651XM router
fitted with WIC-1ADSL interface card
1) the cisco doc for the wic-adsl card says that when the CD light is flashing
this means
it's training with DSLAMs, but the light flashes in two different ways, there's
a few
seconds of fast flashing, followed by a few seconds of slow flashing. What do
these two
different flashing speeds signify?
2) as a newbie I've been unsuccessful in connecting to my ISP with the wic-adsl
card.
Before coming here I've been trawling through cisco documents but I can't work
out what
the correct commands are for a successful connection. I confess I also don't
know the
command to verify if I have a successful connection or not.
My wic card is present in the cli as interface ATM0/0.
Here are the details for connecting to my isp, who happens to be a very bog
standard UK
isp on a BT phone line.
Connection type: PPPoA
VPI value: 0
VCI Value: 38
Encapsulation type: VC-MUX (or VC based)
Modulation: G.DMT (or DMT)
Authentication type: CHAP (may be listed as "PAP or CHAP")
ADSL Username: username
ADSL Password: password
Thanks for any pointers.
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Posted by Doug McIntyre on July 30, 2008, 7:09 pm
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>Cisco 2651XM router
>fitted with WIC-1ADSL interface card
>1) the cisco doc for the wic-adsl card says that when the CD light is flashing
this means
>it's training with DSLAMs, but the light flashes in two different ways, there's
a few
>seconds of fast flashing, followed by a few seconds of slow flashing. What do
these two
>different flashing speeds signify?
Different phases of the DSL training up.
You can watch the card with the 'show dsl int atm 0/0' command..
>2) as a newbie I've been unsuccessful in connecting to my ISP with the wic-adsl
card.
>Before coming here I've been trawling through cisco documents but I can't work
out what
>the correct commands are for a successful connection. I confess I also don't
know the
>command to verify if I have a successful connection or not.
>My wic card is present in the cli as interface ATM0/0.
>Here are the details for connecting to my isp, who happens to be a very bog
standard UK
>isp on a BT phone line.
>Connection type: PPPoA
>VPI value: 0
>VCI Value: 38
>Encapsulation type: VC-MUX (or VC based)
>Modulation: G.DMT (or DMT)
>Authentication type: CHAP (may be listed as "PAP or CHAP")
>ADSL Username: username
>ADSL Password: password
Probably PAP and not CHAP...
interface ATM0
no shutdown
pvc 0/38
encapsulation aal5mux ppp dialer
dialer pool-member 1
interface Dialer1
description PPPoA Dialer
ip address negotiated
encapsulation ppp
dialer pool 1
ppp authentication chap pap callin
ppp pap sent-username username password password
Should be straight out of the Cisco docs for doing PPPoA on a cisco router..
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Posted by tg on July 30, 2008, 9:01 pm
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>>Cisco 2651XM router
>>fitted with WIC-1ADSL interface card
> Probably PAP and not CHAP...
>
> interface ATM0
> no shutdown
> pvc 0/38
> encapsulation aal5mux ppp dialer
> dialer pool-member 1
> interface Dialer1
> description PPPoA Dialer
> ip address negotiated
> encapsulation ppp
> dialer pool 1
> ppp authentication chap pap callin
> ppp pap sent-username username password password
>
> Should be straight out of the Cisco docs for doing PPPoA on a cisco router..
>
thanks for your response Doug, those commands are making the adsl lights behave
the way I
think they should. Do you know if there's a way to test for certain if the adsl
card is
connected to the isp? Is there a command one can run? I think my
lan-routing-nat-config is
a mess and will need sorting out but I'd like to be certain about the adsl
connection
before proceeding with that. Thanks for any further advice.
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Posted by Doug McIntyre on July 30, 2008, 9:25 pm
If you were Registered and logged in, you could reply and use other advanced thread options >>>Cisco 2651XM router
>>>fitted with WIC-1ADSL interface card
>> Probably PAP and not CHAP...
>>
>> interface ATM0
>> no shutdown
>> pvc 0/38
>> encapsulation aal5mux ppp dialer
>> dialer pool-member 1
>> interface Dialer1
>> description PPPoA Dialer
>> ip address negotiated
>> encapsulation ppp
>> dialer pool 1
>> ppp authentication chap pap callin
>> ppp pap sent-username username password password
>>
>> Should be straight out of the Cisco docs for doing PPPoA on a cisco router..
>thanks for your response Doug, those commands are making the adsl
>lights behave the way I think they should. Do you know if there's a
>way to test for certain if the adsl card is connected to the isp? Is
>there a command one can run? I think my lan-routing-nat-config is a
>mess and will need sorting out but I'd like to be certain about the
>adsl connection before proceeding with that. Thanks for any further advice.
There's really two actions.
There's training up to the DSLAM. Then there's logging into the ISP's
LNS or whatever they use internally.
You can check on the DSL line training up to the DSLAM with the
'show dsl int atm 0/0'
command. Check status to make sure it says Showtime. Then you are trained.
You can do a 'who' to see a PPPoA link connected to the ISP. You can
also look at the 'show int dialer 1' to see if it obtained an IP address.
Likely there'll be an 'interface is bound to Vix' and you should be
able to see info on that virtual-interface.
If neither are there, then you probably have to 'debug ppp packet' and
the like to see what is going on.
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Posted by tg on July 31, 2008, 7:08 am
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> There's really two actions.
>
> There's training up to the DSLAM. Then there's logging into the ISP's
> LNS or whatever they use internally.
>
> You can check on the DSL line training up to the DSLAM with the
> 'show dsl int atm 0/0'
>
> command. Check status to make sure it says Showtime. Then you are trained.
>
> You can do a 'who' to see a PPPoA link connected to the ISP. You can
> also look at the 'show int dialer 1' to see if it obtained an IP address.
> Likely there'll be an 'interface is bound to Vix' and you should be
> able to see info on that virtual-interface.
>
> If neither are there, then you probably have to 'debug ppp packet' and
> the like to see what is going on.
thanks for your further help Doug.
I did 'show dsl int atm 0/0' and I did see 'Modem Status: Showtime
(DMTDSL_SHOWTIME)'
so I know the line has trained.
I don't know the command to do a 'who', can you help me on that one?
I did 'show int dialer 1' but there was no ip address in the router response so
I think
I'm still doing something wrong. Here is what the router said:
------------------
router#show int dialer1
Dialer1 is up, line protocol is up (spoofing)
Hardware is Unknown
Description: PPP0A dialer
Internet address will be negotiated using IPCP
MTU 1500 bytes, BW 56 Kbit, DLY 20000 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation PPP, loopback not set
Keepalive set (10 sec)
DTR is pulsed for 1 seconds on reset
Interface is bound to Vi2
Last input never, output never, output hang never
Last clearing of "show interface" counters 00:04:49
Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: weighted fair
Output queue: 0/1000/64/0 (size/max total/threshold/drops)
Conversations 0/0/16 (active/max active/max total)
Reserved Conversations 0/0 (allocated/max allocated)
Available Bandwidth 42 kilobits/sec
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
0 packets input, 0 bytes
0 packets output, 0 bytes
Bound to:
Virtual-Access2 is up, line protocol is down
Hardware is Virtual Access interface
MTU 1500 bytes, BW 448 Kbit, DLY 20000 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation PPP, LCP Listen
PPPoATM vaccess, cloned from Dialer1
Vaccess status 0x44
Bound to ATM0/0 VCD: 1, VPI: 0, VCI: 38, loopback not set
Keepalive set (10 sec)
DTR is pulsed for 5 seconds on reset
Interface is bound to Di1 (Encapsulation PPP)
Last input 00:00:34, output never, output hang never
Last clearing of "show interface" counters 00:05:14
Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: fifo
Output queue: 0/40 (size/max)
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
40 packets input, 703 bytes, 0 no buffer
Received 0 broadcasts, 0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
100 packets output, 1207 bytes, 0 underruns
0 output errors, 0 collisions, 0 interface resets
0 output buffer failures, 0 output buffers swapped out
0 carrier transitions
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