On 10/02/11 02:52, Giles Coochey wrote:
> On 09/02/2011 15:46, nux@xxxxxx wrote:
>> Fajar Priyanto writes:
>>
>>> Hi all,
>>> Just wondering if VPN inside VPN is possible?
>>> I've created PPTP VPN in the office.
>>> Then from home, first I need to use company's official AT&T VPN.
>>> Then after connected, I fire up the PPTP VPN client.
>>> Got connected, but cannot ping the PPTP gateway, and half minute later
>>> the PPTP got disconnected.
>>> No obvious error message in the PPTP log.
>> How is this related to centos?
> quite.... but at first glance this looks like a MTU problem.
Except that not even a tiny ping packet can get through.
VPN inside a VPN should certainly work, although its very inefficient.
Sounds more like a routing issue, perhaps a return route is missing?
Perhaps the OP should sniff his tunnel end-point to see what, if
anything, is making its way back.
The OP should also care to include the output of the ping command,
rather than saying "cannot ping the PPTP gateway".
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