Firewall Wizards: RE: VPN and new ISP

["Andy Lyakhovetskiy" <andy () net4bay com>]

In some locations Comcast is blocking IPSEC and PPTP traffic by default,
you have to pay some extra fee for the "clean" connection.

Andy
-----Original Message-----
From: firewall-wizards-admin () honor icsalabs com
[mailto:firewall-wizards-admin () honor icsalabs com] On Behalf Of Richard
Snow
Sent: Wednesday, November 05, 2003 10:58 AM
To: 'firewall-wizards () honor icsalabs com'
Subject: [fw-wiz] VPN and new ISP


Hello,

I have a remote office using an IPSEC VPN tunnel connecting
two LANs. The remote site is on a COMCAST cable modem.
I am transitioning my internet T1 at the main office to a new provider
(XO). The new T1 seems to run OK in general, but my IPSEC tunnel drops
every three minutes or so. I can put the same equipment over on the old
T1 and everything is fine.

My question is, assuming that traceroute shows nothing unusual, what
would your next step be in troubleshooting the issue -- and
demonstrating the problem to your provider?

TIA,

Rich
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