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Beginner

PPPoEoA PADO packets ignored/missed by PPPoE client

I'm having trouble with a PPPoE client.

The client is a dialer interface linked to a point to point ATM interface using PVC 0/38

The PPPoE debugs show the outgoing PADI but the dialer never processes the PADO even though I can see it in the ATM packet trace.

Any suggestions would be welcome.

Here is the client config and the trace:

interface ATM1/0

no ip address

no atm ilmi-keepalive

!

interface ATM1/0.38 point-to-point

  pvc 0 0/38

     pppoe-client dial-pool-number 1

!

interface Dialer1

ip address negotiated

ip mtu 1492

ip nat outside

ip nat enable

encapsulation ppp

dialer pool 1

ipv6 enable

ipv6 dhcp client pd MYPREFIX

ipv6 dhcp client request vendor

ppp chap hostname CPE@test.com

ppp chap password 0 CPE

ppp ipcp dns request

!

---------------------------------

*May  6 11:58:20.163:  padi timer expired

*May  6 11:58:20.167: Sending PADI: vc=0/38

*May  6 11:58:20.167: ATM1/0.38(O):

VCD:0x2 VPI:0x0 VCI:0x26 DM:0x0 SAP:AAAA CTL:03 OUI:0080C2 TYPE:0007 Length:0x4A

*May  6 11:58:20.171: 0000 FFFF FFFF FFFF CA11 1998 001C 8863 1109 0000 000C 0101 0000 0103 0004

*May  6 11:58:20.179: 6889 54D8 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000

*May  6 11:58:20.179: 0000

*May  6 11:58:20.179:

*May  6 11:58:20.179: pppoe_send_padi:

         00 02 00 00 AA AA 03 00 80 C2 00 07 00 00 FF FF

         FF FF FF FF CA 11 19 98 00 1C 88 63 11 09 00 00 ...

*May  6 11:58:20.195: ATM1/0.38(I):

VCD:0x2 VPI:0x0 VCI:0x26 Type:0x0 SAP:AAAA CTL:03

CPE(config)#OUI:0080C2 TYPE:0007 Length:0x4A

*May  6 11:58:20.199: 0000 CA11 1998 001C CA0F 3300 001C 8863 1107 0000 0027 0101 0000 0103 0004

*May  6 11:58:20.211: 6889 54D8 0102 0003 424E 4701 0400 1065 00AE 94E9 6843 CCB2 CA2B 964F 2467

*May  6 11:58:20.219: 4C00

*May  6 11:58:20.219:

CPE(config)#

---------------------------------------------

The returned packet is TYPE 0x8863 - PPOE DIscovery and code 0x07 - PADO

It is also returned to the MAC address which sourced the PADI and yet the packet isnt detected as a PADO by the pppoe-client

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