Date: Sat, 20 May 2006 12:47:26 -0300 From: AT Matik <asstec@matik.com.br> To: freebsd-mobile@freebsd.org Subject: Re: More 'resource' problems with "ath0" Message-ID: <200605201247.27862.asstec@matik.com.br> In-Reply-To: <446F2312.3000708@errno.com> References: <7.0.1.0.1.20060517080119.01e00df8@live555.com> <7.0.1.0.1.20060519133359.02083d70@live555.com> <446F2312.3000708@errno.com>
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On Saturday 20 May 2006 11:09, Sam Leffler wrote: > > > Also, do you think that Joao's suggestion - copied below - is worth > > trying? > > No. The problem is in the driver (probably in the handling of packets > buffered for clients operating in ps mode). > it happens also when the powersave mode definitly is off, on the server, on the client and on the AP and is not only an issue on WL cards but also on other NICs the problem appears more frequent when you have cybercoffees connected where games cause high udp/icmp broadcast traffic and probably attract similar traffic coming back from the outside imediatly you see then such error messages you posted and services like named, dhcpd, squid and other which use udp ports may be compromised what I posted certainly is a valid workaround on your server where the problem ocurrs, you can set values runtime to your needs and see no more errors instantly sysctl net.inet.udp.recvspace=65536 sysctl net.inet.udp.maxdgram=131072 in addition you should consider blocking all broadcasts and 0's on your network which will help a lot, you also may consider ingress filtering for smurf like traffic on your router in order to prevent this problems Joćo A mensagem foi scaneada pelo sistema de e-mail e pode ser considerada segura. Service fornecido pelo Datacenter Matik https://datacenter.matik.com.brhome | help
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