[TriLUG] OT: Traceroute / routing question

[Brian Henning]

Alexey Toptygin explained:

> This just means that the SonicWalls are not decrementing IP TTL for 
> traffic they pass over the VPN, so a packet with a TTL of 1 can make it 
> all the way to the destination.
<snip>
> In this case, the router is decrementing the TTL and returning an error 
> when it reaches 0. Since you say the router is running linux, this is not 
> surprising. The difference is due to the different behavior of linux's 
> routing code VS the SonicWall software.

That clears it right up!  Thank you!

~Brian