VPN tunnel works but large packet transfer fails

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May 14th, 2009
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Equipment used WRVS4400N

Settings using VPN passthrough, and then using the Singleport fowarding to a server running 2003 with VPN running

The tunnells work flawlsley until I try to copy a 1 gig file. I get an error that says large packet not permitted

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Anonymous (not verified) Wed, 05/20/2009 - 08:35
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Before opening the tunnel, bring down the MTU of the point-to-point interface to the MTU of the rest of the path to the concentrator (generally 1500). This would allow large packets to pass through, when using IPSec over UDP.


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