Date: Fri, 19 Dec 2008 11:31:09 -0800 From: Chuck Swiger <cswiger@mac.com> To: chodong2003@yahoo.com Cc: freebsd-net@freebsd.org Subject: Re: Packet Loss Under FreeBSD 7.0 Message-ID: <D60F48CB-633F-4803-B2E4-9D15281E8FAB@mac.com> In-Reply-To: <889762.96728.qm@web58407.mail.re3.yahoo.com> References: <889762.96728.qm@web58407.mail.re3.yahoo.com>
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On Dec 19, 2008, at 9:42 AM, richard lll wrote: > I am new to FreeBSD and I am developing a program that does heavy > use of UDP multicast over the LAN. This program is incurring 90-100 > percent packet loss on FreeBSD. Packet loss occurs even when a I > send just 3 packets. When I send 1000 packets I get 100% packet > loss. netstat on FreeBSD shows all the packets, but none/few make it > to my program. How are you sending your traffic? send() over a socket(), or via BPF or something else? Does adding something like a usleep(1000) call after each packet being sent do anything to help with the packet lossage? Regards, -- -Chuck
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