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What will be the configuration for PPPoE over ATM on a ADSL interface?

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Article ID: KB15347 KB Last Updated: 26 Feb 2020Version: 5.0
Summary:
How to configure PPPoE over ATM on a ADSL interface?
Symptoms:
Need to configure PPPoE over ATM on a ADSL Interface.
Solution:
The configuration and 'show' commands below can be used for configuring PPPoE over ATM using a ADSL interface.

Configuration

user@router# show interfaces at-1/0/0 
encapsulation ethernet-over-atm;
atm-options {
    vpi 1;
}

unit 0 {
    encapsulation ppp-over-ether-over-atm-llc;
    vci 1.110;
}


[edit]
user@router# show interfaces pp0         
unit 0 {
    ppp-options {
        chap {
            access-profile ppp-acc;
            local-name purple;
            passive;
        }
    }
    pppoe-options {
        underlying-interface at-1/0/0.0;
        auto-reconnect 30;
        client;
    }

    family inet {
        negotiate-address;
    }
}


[edit]
user@router# show access 
profile ppp-acc {
    authentication-order password;
    client belur chap-secret "$ABC123"; ## SECRET-DATA
}

Helpful SHOW commands

PP0.0 interface extensive output:
user@router# run show interfaces pp0.0 extensive 
  Logical interface pp0.0 (Index 68) (SNMP ifIndex 161) (Generation 142)
    Flags: Point-To-Point SNMP-Traps 0x4000 Encapsulation: PPPoE
    PPPoE:
      State: SessionUp, Session ID: 1,
      Remote MAC address: 00:00:00:00:ca:8f,
      Configured AC name: None, Service name: None,
      Auto-reconnect timeout: 5 seconds, Idle timeout: Never,
      Underlying interface: at-1/0/0.0 (Index 70)
    Traffic statistics:
     Input  bytes  :                16798
     Output bytes  :                51334
     Input  packets:                  288
     Output packets:                  459
    Local statistics:
     Input  bytes  :                 6021
     Output bytes  :                51334
     Input  packets:                  150
     Output packets:                  459
    Transit statistics:
     Input  bytes  :                10777                    0 bps
     Output bytes  :                    0                    0 bps
     Input  packets:                  138                    0 pps
     Output packets:                    0                    0 pps
  Keepalive settings: Interval 10 seconds, Up-count 1, Down-count 3
  Keepalive statistics:
    Input : 0 (last seen: never)
    Output: 135 (last sent 00:00:06 ago)
  LCP state: Opened
  NCP state: inet: Opened, inet6: Not-configured, iso: Not-configured, mpls:
  Not-configured
  CHAP state: Success
  PAP state: Closed
    Security: Zone: Null
    Flow Statistics :  
    Flow Input statistics :
      Self packets :                     0
      ICMP packets :                     0
      VPN packets :                      0
      Multicast packets :                0
      Bytes permitted by policy :        0
      Connections established :          0 
    Flow Output statistics: 
      Multicast packets :                0
      Bytes permitted by policy :        0 
    Flow error statistics (Packets dropped due to): 
      Address spoofing:                  0
      Authentication failed:             0
      Incoming NAT errors:               0
      Invalid zone received packet:      0
      Multiple user authentications:     0 
      Multiple incoming NAT:             0
      No parent for a gate:              0
      No one interested in self packets: 0       
      No minor session:                  0 
      No more sessions:                  0
      No NAT gate:                       0 
      No route present:                  0 
      No SA for incoming SPI:            0 
      No tunnel found:                   0
      No session for a gate:             0 
      No zone or NULL zone binding       0
      Policy denied:                     0
      Security association not active:   0 
      TCP sequence number out of window: 0
      Syn-attack protection:             0
      User authentication errors:        0
    Protocol inet, MTU: 1492, Generation: 154, Route table: 0
      Flags: Negotiate-Address
      Addresses, Flags: Kernel Is-Preferred Is-Primary
        Destination: 10.0.0.1, Local: 10.67.15.1, Broadcast: Unspecified,
        Generation: 156

user@router# run show interfaces terse | match pp  
pp0                     up    up  
pp0.0                   up    up   inet     10.67.15.1          --> 10.0.0.1


Modification History:
2020-02-26: minor non-technical edits.
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