From: Pedro la Peu (pedroironchicken.am-gen.org)
Date: Thu May 01 2003 - 06:39:23 CDT

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> 1) Keep the same IP when hopping.
> 2) Be able to access the other machines on my network.
> 3) Not have current connections die. (Doubt this...)

All of these are easy with hostap bridges.

> Is this possible with bridging/vlans or is this something that needs to
> be addressed with mobile ip (or some other network technology)? The two
> wi0 cards are PRISM2.5 dlink 520's so they do bridging.

Bridging is all you need. I have several hostap boxen bridging to the
same wired lan, using the same SSID, and the default gateway/ IPsec
gateway/ DHCP server for the sta's is a single box on the wired lan.

The sta's roam (at layer 2) amongst the hostap boxen just fine. You will
probably want to set a cache timeout on the hostap bridges lower than
the default 240 seconds (I use 1 second). The standard rules on channel
seperation apply (use ch 1,5,11 or 1,6,13 in EUR).

TCP session state should be maintained so long as you are not out of
range of one hostap for too long (TCP timeouts apply).

-p

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