[lug] vpn and traceroute

karl horlen horlenkarl at yahoo.com
Mon May 23 12:00:04 MDT 2011


i've got an older win xp based netbook i configured an ssl vpn client on.  when vpn is enabled i can see that 'ipconfig' (win's ifconfig equiv) has setup the nw adapter correctly to use my work network and it works fine.

for grins, i ran a tracert (win's equiv of traceroute) to an internet domain.  regardless of whether i have the vpn up and running or not, the traceroute output is the same, meaning it shows all the hops from my home dsl provider.

is this the way traceroute is supposed to work?  i assumed that it would skip all the ip hops in between / over the tunnel and start pinging from within the work network so that the trace assumed it was coming from the work assigined ip address.  otoh, maybe traceroute has to work on all the individual hops that comprise the tunnel?  but that doesn't make sense right?





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