Jason Opperisano schreef: > > 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 How cat r2 reach your 16-network? you will need to add a routing for that network to. > > > on r3: > > 192.168.10.0/24 via 192.168.13.1 > 192.168.11.0/24 via 192.168.16.2 Same for r3, but now for your 12-network. > > > 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 Routingprotocols are designed for this kind of problem, to get this resolved automaticly. In this case you might look at zebra. Regards, -- Frans Luteijn PGP PblKey fprnt=C4 87 CE AF BC B6 98 C1 EF 42 A1 9A E2 C0 42 5B GPG PblKey fprnt=ED20 0F25 C233 DC59 3FFA 170E D0BF 15F5 0BA6 1355