For a quick background, My laptop is connected to an masq server that
uses ip aliasing to be both the masq gateway, and a legit ethernet
address.  In windows, my laptop works fine being a 10.10.X.X address, but
in linux, it will only send one or two packets and then mysteriously die.

For naming conventions here's what I'll use:
laptop: my normal linux laptop being masqueraded uses 10.10.10.27 as it's
ip
masqserver: the masq server that masquerades as my laptop
gateway: the real gateway to the internet that the masq server uses

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Here's some interesting stuff about what my laptop is doing when the
ipmasq problem hits.

Here's some arps the laptop makes:

16:43:28.348588 arp who-has masqserver tell 10.10.10.27
16:43:28.349926 arp who-has gateway tell 10.10.10.27
16:43:33.376957 arp who-has 10.10.10.27 tell masqserver
16:43:33.377246 arp reply 10.10.10.27 is-at 0:40:25:40:4:8c

Notice that my laptop not only wants the masqserver, but also the gateway.
Also notice that masqserver asks for my laptop's hardware address and my
laptop replies.  But what does this mean:

16:32:02.180366 arp reply 10.10.10.27 is-at 0:40:25:40:4:8c (0:90:27:24:de:cd)

That mac in parentheses is masqserver.

Also, when I try to get to other computers on the masqserver-gateway
network, I start seeing arp requests for their address coming from my
laptop, which shouldn't be happening.

funky.

-Brian




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