en
conf t
hostname p2r2
line con 0
 logging synchronous
 exec-timeout 0 0

interface Ethernet1
 ip address 20.0.0.1 255.255.255.0
 no shutdown

interface Ethernet0
 ip address 22.0.0.1 255.255.255.0
 no shutdown

interface Serial1
 ip address 21.0.0.1 255.255.255.0
 no shutdown
 encapsulation frame-relay 
 frame-relay map ip 21.0.0.2 210 ietf broadcast

router igrp 200
 network 20.0.0.0
 network 21.0.0.0
 network 22.0.0.0 
 end

copy running-config startup-config