> PC1 R1 R2 R3 R4 PC2 > |---------------| |-------| |--------| |--------| |-----------| > 192.168.10.2 .1 12.1 12.2 13.1 13.2 16.1 16.2 11.1 11.2 > e0 e0 e1 e0 e1 e0 e1 e0 e1 e0 assuming: default gw of pc1 is 10.1 default gw of r1 is 12.2 default gw of pc2 is 11.1 default gw of r4 is 16.1 both r2 & r3 will need static routes telling them how to get to networks 10 and 11: on r2: 192.168.10.0/24 via 192.168.12.1 192.168.11.0/24 via 192.168.13.2 on r3: 192.168.10.0/24 via 192.168.13.1 192.168.11.0/24 via 192.168.16.2 the output of: ip route get 192.168.10.2 ip route get 192.168.11.2 on r2 and r3 should clue you in to where the packets are going. HTH... -j
