From: Tim Bird <tim.bird@xxxxxxxxxxx> Date: Mon, 17 Aug 2009 15:35:01 -0700 > Tim Bird wrote: >> See the definitions of CONF_PRE_OPEN and CON_POST_OPEN >> in net/ipv4/ipconfig.c >> >> They are set to ridiculously long values. In my experience, >> you can cut them down considerably with no dangerous side >> effects (but I haven't asked the network guys about the >> possible downsides). > > It turns out that others have seen this delay. Simon > Arlott recently posted a patch to make the delay avoidable > at boot time from the kernel command line. > > See http://patchwork.kernel.org/patch/31678/ "Rediculiously long" is a relative term. I have card/switch combinations that take up to 10 seconds to negotiate a proper link. So what's there now is actually a quite agressive setting. And BTW, discussions about stuff like this belong on netdev@xxxxxxxxxxxxxxx, which has been added to the CC: -- To unsubscribe from this list: send the line "unsubscribe linux-embedded" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
