> your localhost eth0 -> shorewall -> Inet > your localhost eth1 -> shorewall -> your other machines correct :) but shorewall is not responsible for the problem, since I ran all the tests with shorewall stopped and all other network services stopped as well.
> What address ranges do you use? /etc/conf.d/net iface_eth1="192.168.0.254 netmask 255.255.0.0" iface_eth0="dhcp" > What about routing? As root run: > $ route # route Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 192.168.0.0 * 255.255.0.0 U 0 0 0 eth1 loopback * 255.0.0.0 U 0 0 0 lo default 195-23-73-156.n 0.0.0.0 UG 0 0 0 eth0 > tracepath with eth1 up # tracepath google.com 1: 195-23-73-156.net.novis.pt (195.23.73.156) 0.475ms pmtu 1500 1: no reply 2: no reply 3: no reply ... > tracepath with eth1 down # tracepath google.com 1: 195-23-73-156.net.novis.pt (195.23.73.156) 0.713ms pmtu 1492 1: router (192.168.1.254) 0.817ms 2: r6613.nr.ip.pt (195.23.0.154) 73.028ms 3: 195-23-31-126.nr.ip.pt (195.23.31.126) 72.102ms 4: 195-23-31-165.nr.ip.pt (195.23.31.165) 73.625ms 5: 194-79-92-82.nr.ip.pt (194.79.92.82) asymm 7 76.323ms 6: 194-79-92-21.nr.ip.pt (194.79.92.21) asymm 5 77.538ms 7: g1-2-202.core01.lis01.atlas.cogentco.com (130.117.19.189) asymm 6 77.528ms 8: p2-2.core01.mad05.atlas.cogentco.com (130.117.0.121) asymm 7 87.644ms 9: p5-0.core01.bcn01.atlas.cogentco.com (130.117.1.105) asymm 8 98.060ms 10: p5-0.core01.par01.atlas.cogentco.com (130.117.1.110) asymm 8 118.240ms 11: p5-0.core02.par02.atlas.cogentco.com (130.117.1.229) asymm 10 119.976ms 12: p15-0.core01.fra03.atlas.cogentco.com (130.117.0.17) asymm 11 128.401ms 13: no reply 14: no reply 15: no reply 16: no reply 17: no reply 18: no reply 19: no reply 20: no reply 21: no reply 22: no reply 23: no reply 24: no reply 25: no reply 26: no reply 27: no reply 28: no reply 29: no reply 30: no reply 31: no reply Too many hops: pmtu 1492 Resume: pmtu 1492 192.168.1.254 is my ADSL modem that is connected to eth0. Thanks for the reply Robert -- gentoo-user@gentoo.org mailing list