04-11-2011
That's strange. In the days before network manager screwed up my life, I just had my laptop configured for each network I used and not only did I not have to re-configure if I went out of range, I didn't have to wait for NM to re-connect after my laptop woke up from sleep. It was awesome. I just had a script for each wireless networks I regularly used.
So, that makes me think you shouldn't need to reconfigure if you go out of range, it should "just work". That means something is unconfiguring your connection when it goes out of range. You just have to find and kill it.
Does it really unconfigure when you go out of range? Does dmesg show any changes? What do ifconfig and ip say before and after you go out of range? What does dmesg say before and after you go out of range?
Hope that helps!
-Pileofrogs
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nets(4) Kernel Interfaces Manual nets(4)
NAME
nets - JOIN DHCP server database
DESCRIPTION
The nets file is employed by joind, the JOIN DHCP server, to tell it which networks to administer and the ranges of IP addresses available
for dynamic assignment on each of those networks.
FORMAT
Blank lines and lines beginning with the number sign (#) are ignored. Entries are separated from one another by newline characters.
Entries consist of three fields: the network number (expressed as an IP address), the IP address or name of a host running joind, which
dynamically configures clients on the network, and a range of available addresses for dynamic allocation to hosts on the net. The range is
expressed as a pair of IP addresses separated with a dash (-). There must be no whitespace separating the dash from the IP addresses.
Several servers may administer a single network, and a single server may administer several networks. Each network-server pair may have
several ranges of IP addresses available for dynamic allocation. The network and server IP addresses do not have to be repeated for each
entry. A line containing a single field is assumed to be an IP range with the same server and network as the previous entry: a line of two
fields is assumed to be a server address and IP range with the same network as the preceding entry.
The ranges of addresses served by each cooperating server must be disjoint. This condition is checked by the server on startup.
RELATED INFORMATION
joind(8), join.ipaddresses(4) delim off
nets(4)