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Juniper SRX Config on PlusNet FTTC BT Infinity

The following JunOS configuration has been tested on PlusNet Fibre broadband running with external BT Openreach Modem. This setup should work with other VDSL/FTTC providers since they use the same underlaying BT infrastructure.

  • The configuration has been tested on SRX210H running JunOS 11.4R9.4 & 12.1X44-D35.5
  • BT Openreach modem connect to interfaces fe-0/0/7 on the SRX

Set the underlaying interface encapsulation to be PPP-Over-Ethernet.

Set PPP Options with Authentication method CHAP.

Set the PPPoE Options to the underlaying interface along with connection options.

Set the pp0 interface MTU.

Set the IP Address on the pp0 interface.

Set the security zone pp0.0 interface WAN (untrust)

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