aha. that makes some things more clear :) just to make sure i'm reading the kernel code right -- the DSCP field can be set by userland by using the same old IP_TOS setsockopt, right? or is there a preferred interface? now i just need to grok the various DSCP values. thanks -dean On Tue, 26 Nov 2002, David S. Miller wrote: > From: dean gaudet <dean@arctic.org> > Date: Tue, 26 Nov 2002 21:49:35 -0800 (PST) > > which causes the IPTOS_MINCOST bit (2) to be ignored even if setsockopt is > used to specify it. > > why is this? is it a bug? > > You probably want to read the DIFFSERV rfcs. :-) > > Short answer is that these two bits are now considered unused in the > modern internet. From rfc3260: > > "the Differented Services Field ... is the six most > significant bits of the former IPV4 TOS octet ... > The two least significant bits of the IPV4 TOS octet ... > are not used by Diffserv" > > - : send the line "unsubscribe linux-net" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
