Re: [gentoo-user] OT: wlan0 is sssloooow [100% SOLVED]

[Alan McKinnon <alan@linuxholdings.co.za>]

On Monday 11 December 2006 22:56, Sergio Polini wrote:
> Yes, it was OT and very few of you are interested ;-)
> However, somebody would like to know who the killer was.
>
> The original subject was "wlan0 is sssloooow [99% SOLVED]" because
> pinging the Belkin F5D7230-4 wireless router worked from Windows but
> not from Linux.
> The answer is: because Windows sends ICMP messages with 32 bytes of
> data, Linux sends them with 56 bytes of data.
> Moreover, Linux IP datagrams have the DF (don't fragment) bit set,
> Windows ones have not.
> On Linux, ping -s 15 192.168.2.2 works.

I'm very glad you did post this update as here in the office we had this 
very problem three weeks ago. One morning every non-Windows host in our 
building suddenly could not see past the gateway, could not ping it and 
was essentially off-air. We eventually tracked it down to one of these 
Belkin wireless routers, but never figured out why it was doing what it 
did. 

Now we do know, so thanks for the heads-up!

alan

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