[c-nsp] PPPoA DSL up/up, no traffic

Tue Oct 2 16:07:05 EDT 2007

i think the ATM encap is dependent on the provider and their equipeent. 
for my provider I have been using aal5snap.  the most common encap used
to be AAL5SNAP (a few years back).

On Tue, 2 Oct 2007, Scott Granados wrote:

> I could be wrong but I think you have your encapsulation wrong.
>
> interface ATM0/0
> no ip address
> no ip mroute-cache
> no atm ilmi-keepalive
> dsl operating-mode auto
> pvc 0/35
>  encapsulation aal5mux ppp dialer
>  dialer pool-member 1
> !
> !
>
> ----- Original Message -----
> From: "Adam Greene" <maillist at webjogger.net>
> To: <cisco-nsp at puck.nether.net>
> Sent: Tuesday, October 02, 2007 10:58 AM
> Subject: [c-nsp] PPPoA DSL up/up, no traffic
>
>
>> Hi,
>>
>> I'm trying to configure a DSL line on a Cisco 1841 (C1841-IPBASE-M),
>> Version
>> 12.4(1c).
>>
>> The atm interface is plugged into a DSL line, it shows up/up, I have
>> packets
>> going out, but none coming back in.
>>
>> Do I have to do something in particular to initiate the connection? Are
>> there obvious errors with the config? Perhaps I need to contact the ISP.
>>
>> Disclaimer: this is the first DSL line I've ever configured (might be
>> obvious).
>>
>> Thanks for the help.
>> Adam
>>
>>
>> Here are the configurations so far, and some command / debug output:
>>
>> ========
>> CONFIGS
>> ========
>>
>> !
>> aaa new-model
>> !
>> aaa session-id common
>> !
>> mmi polling-interval 60
>> no mmi auto-configure
>> no mmi pvc
>> !
>> interface FastEthernet0/0
>> ip address x.x.x.x 255.255.252.0
>> duplex auto
>> speed auto
>> !
>> interface ATM0/0/0
>> no ip address
>> no ip mroute-cache
>> no atm ilmi-keepalive
>> dsl operating-mode auto
>> hold-queue 224 in
>> pvc 0/35
>>  encapsulation aal5snap
>>  protocol ppp dialer
>>  dialer pool-member 1
>> !
>> interface Dialer1
>> ip address negotiated
>> ip mtu 1492
>> encapsulation ppp
>> no ip mroute-cache
>> dialer pool 1
>> dialer idle-timeout 0
>> dialer-group 1
>> ppp authentication pap callin
>> ppp pap sent-username **** password 7 ****
>> !
>> ip route 0.0.0.0 0.0.0.0 Dialer1
>> !
>> dialer-list 1 protocol ip permit
>> !
>> end
>>
>>
>> =============
>> SH INT ATM0/0/0
>> =============
>>
>> ATM0/0/0 is up, line protocol is up
>>  Hardware is DSLSAR (with Alcatel ADSL Module)
>>  MTU 4470 bytes, sub MTU 4470, BW 832 Kbit, DLY 610 usec,
>>     reliability 255/255, txload 1/255, rxload 1/255
>>  Encapsulation ATM, loopback not set
>>  Encapsulation(s): AAL5  AAL2, PVC mode
>>  23 maximum active VCs, 256 VCs per VP, 1 current VCCs
>>  VC Auto Creation Disabled.
>>  VC idle disconnect time: 300 seconds
>>  Last input never, output 00:00:17, output hang never
>>  Last clearing of "show interface" counters never
>>  Input queue: 0/224/0/0 (size/max/drops/flushes); Total output drops: 0
>>  Queueing strategy: Per VC Queueing
>>  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 no buffer
>>     Received 0 broadcasts, 0 runts, 0 giants, 0 throttles
>>     0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
>>     66050 packets output, 1056800 bytes, 0 underruns
>>     0 output errors, 0 collisions, 0 interface resets
>>     0 output buffer failures, 0 output buffers swapped out
>>
>> ======================
>> DEBUG PPP NEGOTIATION
>> ======================
>> *Oct  2 15:51:10.173: %LINK-3-UPDOWN: Interface ATM0/0/0, changed state to
>> up
>> *Oct  2 15:51:13.173: %LINEPROTO-5-UPDOWN: Line protocol on Interface
>> ATM0/0/0,
>> changed state to up
>> *Oct  2 15:51:13.173: %LINK-3-UPDOWN: Interface Virtual-Access2, changed
>> state to up
>> *Oct  2 15:51:13.173: %DIALER-6-BIND: Interface Vi2 bound to profile Di1
>> *Oct  2 15:51:13.173: Vi2 PPP: Using dialer call direction
>> *Oct  2 15:51:13.173: Vi2 PPP: Treating connection as a callout
>> *Oct  2 15:51:13.173: Vi2 PPP: Session handle[EF000004] Session id[2]
>> *Oct  2 15:51:13.173: Vi2 PPP: Phase is ESTABLISHING, Active Open
>> *Oct  2 15:51:13.173: Vi2 PPP: No remote authentication for call-out
>> *Oct  2 15:51:13.173: Vi2 LCP: O CONFREQ [Closed] id 173 len 10
>> *Oct  2 15:51:13.173: Vi2 LCP:    MagicNumber 0x2FA57203 (0x05062FA57203)
>> *Oct  2 15:51:15.161: Vi2 LCP: TIMEout: State REQsent
>> *Oct  2 15:51:15.161: Vi2 LCP: O CONFREQ [REQsent] id 174 len 10
>> *Oct  2 15:51:15.161: Vi2 LCP:    MagicNumber 0x2FA57203 (0x05062FA57203)
>> *Oct  2 15:51:17.177: Vi2 LCP: TIMEout: State REQsent
>> *Oct  2 15:51:17.177: Vi2 LCP: O CONFREQ [REQsent] id 175 len 10
>> *Oct  2 15:51:17.177: Vi2 LCP:    MagicNumber 0x2FA57203 (0x05062FA57203)
>> *Oct  2 15:51:19.193: Vi2 LCP: TIMEout: State REQsent
>> *Oct  2 15:51:19.193: Vi2 LCP: O CONFREQ [REQsent] id 176 len 10
>> *Oct  2 15:51:19.193: Vi2 LCP:    MagicNumber 0x2FA57203 (0x05062FA57203)
>> *Oct  2 15:51:21.209: Vi2 LCP: TIMEout: State REQsent
>> *Oct  2 15:51:21.209: Vi2 LCP: O CONFREQ [REQsent] id 177 len 10
>> *Oct  2 15:51:21.209: Vi2 LCP:    MagicNumber 0x2FA57203 (0x05062FA57203)
>> *Oct  2 15:51:23.225: Vi2 LCP: TIMEout: State REQsent
>> *Oct  2 15:51:23.225: Vi2 LCP: O CONFREQ [REQsent] id 178 len 10
>> *Oct  2 15:51:23.225: Vi2 LCP:    MagicNumber 0x2FA57203 (0x05062FA57203)
>> *Oct  2 15:51:25.241: Vi2 LCP: TIMEout: State REQsent
>> *Oct  2 15:51:25.241: Vi2 LCP: O CONFREQ [REQsent] id 179 len 10
>> *Oct  2 15:51:25.241: Vi2 LCP:    MagicNumber 0x2FA57203 (0x05062FA57203)
>> *Oct  2 15:51:27.257: Vi2 LCP: TIMEout: State REQsent
>> *Oct  2 15:51:27.257: Vi2 LCP: O CONFREQ [REQsent] id 180 len 10
>> *Oct  2 15:51:27.257: Vi2 LCP:    MagicNumber 0x2FA57203 (0x05062FA57203)
>> *Oct  2 15:51:29.273: Vi2 LCP: TIMEout: State REQsent
>> *Oct  2 15:51:29.273: Vi2 LCP: O CONFREQ [REQsent] id 181 len 10
>> *Oct  2 15:51:29.273: Vi2 LCP:    MagicNumber 0x2FA57203 (0x05062FA57203)
>> *Oct  2 15:51:31.289: Vi2 LCP: TIMEout: State REQsent
>> *Oct  2 15:51:31.289: Vi2 LCP: O CONFREQ [REQsent] id 182 len 10
>> *Oct  2 15:51:31.289: Vi2 LCP:    MagicNumber 0x2FA57203 (0x05062FA57203)
>> *Oct  2 15:51:33.305: Vi2 LCP: TIMEout: State REQsent
>> *Oct  2 15:51:33.305: Vi2 LCP: State is Listen
>> *Oct  2 15:52:03.321: Vi2 LCP: TIMEout: State Listen
>> *Oct  2 15:52:03.321: Vi2 PPP: No remote authentication for call-out
>> *Oct  2 15:52:03.321: Vi2 LCP: O CONFREQ [Listen] id 183 len 10
>> *Oct  2 15:52:03.321: Vi2 LCP:    MagicNumber 0x2FA635E8 (0x05062FA635E8)
>> *Oct  2 15:52:05.337: Vi2 LCP: TIMEout: State REQsent
>> *Oct  2 15:52:05.337: Vi2 LCP: O CONFREQ [REQsent] id 184 len 10
>> *Oct  2 15:52:05.337: Vi2 LCP:    MagicNumber 0x2FA635E8 (0x05062FA635E8)
>> *Oct  2 15:52:07.353: Vi2 LCP: TIMEout: State REQsent
>> *Oct  2 15:52:07.353: Vi2 LCP: O CONFREQ [REQsent] id 185 len 10
>> *Oct  2 15:52:07.353: Vi2 LCP:    MagicNumber 0x2FA635E8 (0x05062FA635E8)
>> *Oct  2 15:52:09.369: Vi2 LCP: TIMEout: State REQsent
>> *Oct  2 15:52:09.369: Vi2 LCP: O CONFREQ [REQsent] id 186 len 10
>> *Oct  2 15:52:09.369: Vi2 LCP:    MagicNumber 0x2FA635E8 (0x05062FA635E8)
>> *Oct  2 15:52:11.385: Vi2 LCP: TIMEout: State REQsent
>> *Oct  2 15:52:11.385: Vi2 LCP: O CONFREQ [REQsent] id 187 len 10
>> *Oct  2 15:52:11.385: Vi2 LCP:    MagicNumber 0x2FA635E8 (0x05062FA635E8)
>> *Oct  2 15:52:13.401: Vi2 LCP: TIMEout: State REQsent
>> *Oct  2 15:52:13.401: Vi2 LCP: O CONFREQ [REQsent] id 188 len 10
>> *Oct  2 15:52:13.401: Vi2 LCP:    MagicNumber 0x2FA635E8 (0x05062FA635E8)
>> *Oct  2 15:52:15.417: Vi2 LCP: TIMEout: State REQsent
>> *Oct  2 15:52:15.417: Vi2 LCP: O CONFREQ [REQsent] id 189 len 10
>> *Oct  2 15:52:15.417: Vi2 LCP:    MagicNumber 0x2FA635E8 (0x05062FA635E8)
>> *Oct  2 15:52:17.433: Vi2 LCP: TIMEout: State REQsent
>> *Oct  2 15:52:17.433: Vi2 LCP: O CONFREQ [REQsent] id 190 len 10
>> *Oct  2 15:52:17.433: Vi2 LCP:    MagicNumber 0x2FA635E8 (0x05062FA635E8)
>> *Oct  2 15:52:19.449: Vi2 LCP: TIMEout: State REQsent
>> *Oct  2 15:52:19.449: Vi2 LCP: O CONFREQ [REQsent] id 191 len 10
>> *Oct  2 15:52:19.449: Vi2 LCP:    MagicNumber 0x2FA635E8 (0x05062FA635E8)
>> *Oct  2 15:52:21.465: Vi2 LCP: TIMEout: State REQsent
>> *Oct  2 15:52:21.465: Vi2 LCP: O CONFREQ [REQsent] id 192 len 10
>> *Oct  2 15:52:21.465: Vi2 LCP:    MagicNumber 0x2FA635E8 (0x05062FA635E8)
>> *Oct  2 15:52:23.481: Vi2 LCP: TIMEout: State REQsent
>> *Oct  2 15:52:23.481: Vi2 LCP: State is Listen
>>
>>
>> =================
>> DEBUG ATM EVENTS
>> =================
>> *Oct  2 17:56:16.976: ATM0/0/0 check_lockup: scc = 0, output_qcount = 0,
>> head:(s)91, 92,
>> addr = (s)0x0, 0x0, count (s)67719, 67720
>> *Oct  2 17:56:16.976: ATM0/0/0 check_lockup: scc = 1, output_qcount = 0,
>> head:(s)55, 55,
>> addr = (s)0x0, 0x0, count (s)112, 112
>> *Oct  2 17:56:26.936: ATM0/0/0 check_lockup: scc = 0, output_qcount = 0,
>> head:(s)92, 92,
>> addr = (s)0x0, 0x0, count (s)67720, 67720
>> *Oct  2 17:56:26.936: ATM0/0/0 check_lockup: scc = 1, output_qcount = 0,
>> head:(s)55, 55,
>> addr = (s)0x0, 0x0, count (s)112, 112
>> *Oct  2 17:56:36.932: ATM0/0/0 check_lockup: scc = 0, output_qcount = 0,
>> head:(s)92, 92,
>> addr = (s)0x0, 0x0, count (s)67720, 67720
>> *Oct  2 17:56:36.932: ATM0/0/0 check_lockup: scc = 1, output_qcount = 0,
>> head:(s)55, 55,
>> addr = (s)0x0, 0x0, count (s)112, 112
>>
>>
>>
>>
>>
>>
>>
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>
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