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Date:      Tue, 1 Jan 2013 21:24:56 +0000
From:      "Brian O'Regan" <os@bossbox.com>
To:        freebsd-net@freebsd.org
Subject:   Slow uplink speeds across WAN/VPN link
Message-ID:  <CA%2BjXpxHkqAJH584Ds0JM1hxO649njJMZyaa4nk3wxwOajFssbQ@mail.gmail.com>

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Hopefully I've chosen the correct mailing list.

I have users who are uploading over WAN/VPN link to FreeBSD file servers
and speed averages 1.9Mbits. To non FreeBSD servers we would see speeds of
aprox 5-6Mbits.

Previously in a similar situation over a WAN link with no VPN I have
used net.inet.tcp.inflight.enable
to greatly increase the speed.

I was wondering if there is something similar to the above sysctl that's
more specific to WAN where the traffic is crossing a VPN? Or if anyone has
any other suggestions to tweak?

Currently FreeBSD 7.4 is been used and we're not currently in a position to
upgrade.

Kind Regards,
Brian Hughes



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