[Bug 264019] Re: TCP option ordering in 2.6.27 is not interoperable with some network equipment

[Dean Holland]

I still believe mine is a kernel issue, as per the information in this
Ubuntu Forums thread: http://ubuntuforums.org/showthread.php?p=6128733

This machine runs inside of KVM but that should not make any difference
as it works _perfectly_ with 2.6.24-21, leading me to believe this
hasn't been completely resolved.

To summarise, only changing the default kernel in menu.lst to 2.6.24-21 and rebooting makes the issue go away. I have tried:
 - empty firewall; only a masquerade rule
 - removing all QoS settings
 - clean install of Intrepid (64-bit) as the current was upgraded from Hardy
 - clean install of Intrepid (32-bit)
 - changing MTU and MSS clamping to lower sizes (1460 & 1420)
 - changed the type of network card from virtio to the default (rtl8139)

I see 2.6.7-7.16 is out, but as that was just a security fix I didn't
expect that would have resolved it.

-- 
TCP option ordering in 2.6.27 is not interoperable with some network equipment
https://bugs.launchpad.net/bugs/264019
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