int e0/0

  ip addr 192.1.1.1 255.255.255.0

  no keepalive

router rip

  passive-interface e0

  netw 192.1.1.0

  netw 1.1.1.1

  neighbor 192.1.1.2

//debug ip rip

rip:sending v1 update to 255.255.255.255 via lo0(1.1.1.1)

     netw 192.1.1.0,metric 1

rip:sending v1 update to 192.1.1.2 via e0 (192.1.1.1)

     netw 1.0.0.0 ,metric 1