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Vigor 120 + Cisco 877 - no PPPoE connection

  • rtarnell
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11 Oct 2010 14:31 #64191 by rtarnell
Hi,

I'm trying to set up a Vigor 120 (firmware 3.2.4.4) as a DSL modem for a Cisco 877 router (IOS 12.4(24)T1)

I'm connecting to Andrews & Arnold (ISP) over a Be line, which uses RFC1843 bridged LLC ADSL and runs PPPoE over it. I configured the Vigor like this:

> adsl ppp
vci= 101
vpi= 0
Encap= 1483_Bridge_LLC(2)
Proto= MPoA(2)
Modu= ADSL2+(8)
Fix_IP mode(0)

The modem establishes a DSL connection fine, but the PPPoE session on the Cisco never comes up. I'm using this configuration on the Cisco side:

interface FastEthernet0
pppoe enable group global
pppoe-client dial-pool-number 2

interface Dialer2
description A&A dialer interface (Vigor)
mtu 1492
bandwidth 900
ip address negotiated
ip access-group adsl-in in
ip flow ingress
ip inspect firewall out
encapsulation ppp
tx-ring-limit 3
tx-queue-limit 3
dialer pool 2
no cdp enable
ppp chap hostname rtrt51@a.1
ppp chap password 7 ...
service-policy output dsl-qos

(This is identical to the dialer I use for connecting with the built-in ADSL modem, except I use ATM0.1 as the interface for that.)

Using "debug pppoe packets" I can see the Cisco is trying to start PPPoE:

Oct 11 12:24:31.913: pppoe_send_padi:
FF FF FF FF FF FF 00 1A E3 22 13 D0 88 63 11 09
00 00 00 0C 01 01 00 00 01 03 00 04 85 16 07 38 ...

It does that every 30 seconds, but never receives any packets from the other side.

What am I missing here?

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