Bjoern A. Zeeb wrote:
On Tue, 27 May 2008, Tom Judge wrote:

Hi,

Today I looked into why I can not get a traceroute across a IPSec IPIP tunnel

I guess not an IPIP tunnel but just IPsec tunnel mode?

...
Any information about this would be appreciated as I would like to be able to do traceroutes across my wan.

The problem has been well known and is on my todo list. I haven't
checked the relevant code lately but if I remember the problem is not
to be fixed trivially in first place.

You should get a reply back from your Node B though, just not from Router B.


/bz

Hi Bjoern,

Yes we do indeed see a reply from node b. It is good to here that this is a known issue.

The IPSec configuration is a gif ipip tunnel that is then encrypted with IPSec using esp in tunnel mode as per the ipsec vpn section in the handbook.

Do you have any more information on the underlying source of the problem? If so it would help me find the problem. I may setup a small test network to find this problem this evening time permitting.


Thanks

Tom

PS.  Could you pm me a link to your RELENG_7 multi ip jail patchs?
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