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Slow data transfer over VPN with windows firewall enabled

  • ian.rowan
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24 Jun 2010 18:15 #1 by ian.rowan
Hi,

I have a problems with a couple of 2820's that I need a little help with

the set up is

2 x 2820 routers, LES10 in wan 2 and IPSEC vpn between units.

Everything seems to work but we had a issue of slow speed when transferring files on a few machines, the only difference on the machines was that firewall was enabled on the slow machines. I tried to disable the windows firewall on the slow machines and bingo the connection speed was great.

I dont really want to leave the firewall off so looking for a solution,
this seems to be the same for xp, vista and windows 7 machines

anyone seen anything like this before?



Thanks

Ian

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