router [
  id 123
  graph [
    ProtocolSession [
      name bgp
      use  SSF.OS.BGP4.BGPSession
      connretry_time 300
      min_as_orig_time 15
      neighbor [
        as 2  address 1(1)  use_return_address 1(1)
        hold_time 90  keep_alive_time 30  mrai 30
        infilter [ # permits all routes
          clause [
            precedence 1
            predicate []
            action [
              primary permit
            ]
          ]
        ]
        outfilter [ # permits all routes
          clause [
            precedence 1
            predicate []
            action [
              primary permit
            ]
          ]
        ]
      ]
    ]
    ProtocolSession [
      name socket
      use  SSF.OS.Socket.socketMaster
    ]
    ProtocolSession [
      name tcp
      use  SSF.OS.TCP.tcpSessionMaster
    ]
    ProtocolSession [
      name ip
      use  SSF.OS.IP
    ]
  ]
  interface [ idrange [ from 0 to 1 ] ]
  route [ dest default interface 0 ]
]