rohc team mailing list archive

[Didier Barvaux <didier.barvaux@xxxxxxxxxxxxxxxxxxxx>]

Josephine,


> > 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.

Regards,

Didier Barvaux
Viveris Technologies