Hi All, In my opinion, Bits 6-7 in ToS are reserved for future use and rfc does not says anything as __MUST__ for these bits. Also ToS based routing decision already implemented. -- Sumit ----- Original Message ----- From: "Philip Ho" <cbho@ie.cuhk.edu.hk> To: "Linux Net" <linux-net@vger.kernel.org> Cc: "Philip" <cbho@ie.cuhk.edu.hk> Sent: Wednesday, April 09, 2003 12:37 PM Subject: ip header, which field to steal? > Hi all > > I am finding a field inside IP header that I can steal for the purpose > of custom routing. All the routers are Linux-based. > > I guess there are somebody out there do this before. If yes, then which > field do you use? > > Assuming that there is no fragmentation occurring throughout the whole > network, can I use identification field? That is, I modify it for my own > purpose? > > Thanks for your attention. > > Regards, > philip > > > - > : 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 > - : 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