On 05/03/2013 08:56 AM, Bill Oliver issued this missive:
On Fri, 3 May 2013, Lawrence Graves wrote:
On 05/03/2013 08:14 AM, Bill Oliver wrote:
I agree with you, I believe it is the drivers too. I assumed it was
the network manager because I am able to connect to my 2.4ghz wi-fi.
Aren't the same drivers used to connect to 2.4ghz the drivers to
connect to 5ghz.
Yeah, I think so. But kernel wackiness can be odd. For instance, on my
toshiba with F18, the wireless worked fine *except* with certain Cisco
routers. So, I could use it from home where I have an old obsolete
Belkin router, and I could use it at Barnes and Nobel, but I it had
severe problems at my hospital and at McDonalds -- it found the router
and got an ip address and everything was fine for about four minutes,
then it started dropping packets and became frozen after about 10
minutes. Of the two or three places it didn't work and I could find
out, it was always with a Cisco router. So, when I install a new
version of fedora, I throw an old USB Alfa adapter in my computer case
and use it instead of the onboard adapterif it blinks out. If I can't
fix it, as I said, then I take a break from fedora until it gets fixed
in the kernel. This has happened with F16,17, and 18, though I haven't
switched that particular box back to 18 from Mint yet.
It is not uncommon for the routers to have MTUs set to <1500 and that
can cause problems--especially if you're using a VPN gateway. Depending
on how screwy it is, I often have to use
NAT Traversal Mode cisco-udp
in my vpnc configs. While it is often a driver issue with a given
kernel, in these cases it's a router with an MTU <1500 that causes the
problem.
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- Do not taunt the sysadmins, for they are subtle and quick to anger -
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