My setup: net1 >> pix 501 >> tunnel >> pix515 >> net2 >> 2600 router >> net3 Can ping net1 to net2 Can ping net2 to net3 Can't ping from net1 to net3 net1 10.x.x.x/24 net2 10.x.x.x/16 net3 10.x.x.x/16 Any ideas on how to get fom net1 to net3?