From: "Jim Fleming" <JimFleming@ameritech.net>
To: "Nedko Nedev" <nedco@unacs.bg>, <netfilter-devel@lists.netfilter.org>
Subject: "...packets with TOS 0x0 also packets with TOS 0x10..."
Date: Wed, 5 Mar 2003 13:35:26 -0600 [thread overview]
Message-ID: <069401c2e34e$64aae1f0$8500a8c0@repligate> (raw)
In-Reply-To: 001901c2e340$848891b0$8268493e@coldunacs
----- Original Message -----
From: "Nedko Nedev" <nedco@unacs.bg>
>
> in log we can see packets with TOS 0x0 also packets with TOS 0x10
>
The TOS field is divided into two 4-bit fields. 0x0* and 0x*0 are legacy values.
The other values help to expand the address spaces by adding 15 more flows or layers.
The Identification Field is also used to add 14 more bits of addressing, in two 7-bit fields.
The 7 plus 4 is 11 and when added to the 32-bits of addressing provide a 43 bit address space.
The extra AM/FM bit is common to all of the address spaces.
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Jim Fleming
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next prev parent reply other threads:[~2003-03-05 19:35 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-03-05 17:56 iptables dropping wrong packets Nedko Nedev
2003-03-05 19:35 ` Jim Fleming [this message]
2003-03-05 21:31 ` "...packets with TOS 0x0 also packets with TOS 0x10..." Nedko Nedev
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