Josephine, > Just an update: I'm now able to ping machine B (10.0.0.2) from > machine A (10.0.0.1) even over a switched network. The tunnel tool > works fine.
It's great. Thanks for the positive feedback. Didier > On Wed, Aug 12, 2009 at 4:32 PM, Josephine Kakande > <[email protected]>wrote: > > > > > Didier, > > > > > >> > > The route toward network 10.0.0.0/24 is not present. It should > >> > > be setup when the rohc0 interface will become UP and RUNNING. > >> > > Please check that the route is present after running the 'ip > >> > > link set rohc0 up' command. > >> > > > >> > > >> > Thanks, I set up the interface correctly, but still could not > >> > ping - the output was: > >> > > >> > :~# ping 10.0.0.2 > >> > PING 10.0.0.2 (10.0.0.2) 56(84) bytes of data. > >> > ping: sendmsg: No buffer space available > >> > ping: sendmsg: No buffer space available > >> > >> Ok, that did not fix the problem. > >> > >> > >> > > There is an additional thing that looks strange to me. The > >> > > ping from machine A to machine B gets a TTL of 57. The ping > >> > > from B to A gets a TTL of 63. Beside the fact they are > >> > > different (is there different paths to go from one machine to > >> > > the other in your network ?), it shows that you have at least > >> > > one router between the 2 machines. They could be the root of > >> > > the problem. Could you please test the tunnel tool with 2 > >> > > machines on the same Ethernet link to see if it works ? > >> > > > >> > > >> > I still couldn't ping even when they were directly connected: > >> > > >> > *Machine A:* > >> > > >> > [...] > >> > > >> > *Machine B:* > >> > > >> > [...] > >> > >> Your network setup seems fine now. There is probably a problem with > >> rohctunnel. Could you setup the tunnel once again and send only one > >> ICMP Echo Request in it with the following command on machine A : > >> $ ping -c 1 10.0.0.2 > >> > >> It should failed. When the ping command returns, could you please > >> send me all the traces printed by the 2 rohctunnel commands on > >> machine A and machine B ? Put the logs as attachments to avoid > >> line wrapping please. > > > > > > It actually worked! I'm not sure why it was different this time, > > but the ping was successful: > > > > *Machine A* > > > > # ip link set rohc0 up > > # ip -4 addr add 10.0.0.1/24 dev rohc0 > > # ip -6 addr add 2001:eeee::1/64 dev rohc0 > > # ping -c 1 10.0.0.2 > > PING 10.0.0.2 (10.0.0.2) 56(84) bytes of data. > > 64 bytes from 10.0.0.2: icmp_seq=1 ttl=64 time=7.84 ms > > > > --- 10.0.0.2 ping statistics --- > > 1 packets transmitted, 1 received, 0% packet loss, time 0ms > > rtt min/avg/max/mdev = 7.843/7.843/7.843/0.000 ms > > > > > > Please find the logs attached.. > > > > Many thanks. > > > > Regards, > > Josephine > > > > _______________________________________________ Mailing list: https://launchpad.net/~rohc Post to : [email protected] Unsubscribe : https://launchpad.net/~rohc More help : https://help.launchpad.net/ListHelp
