the mistery of priomap

Linux Advanced Routing and Traffic Control

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Dear list,

before writeing this mail I really searched in the mailing list and deeply
red the HOWTO, but I didn't find a clear and univoque answer to my doubt.
What is the meaning of the priomap? And what kind of TOS concerns?

My first opinin was the one-to-one correspondence of the priomap and the 16
values of the four TOS bits. I mean

priomap 1 2 0 3 0 0 0 0 0 0 0 0 0 0 0 1

implies  packet with tos 00000000 and 11111111 in band 1
	packet with tos 00000001 in band 2
	packet with tos 00000011 in band 3
	the others in band 0

BUT IT IS WRONG! (tested by pinging with various tos)

My second opinin was that only packet with TOS 00000000, 00000010, 00000100,
00001000 and 00010000 could be used with predictable treatment
andt then that only the first, second, third, fifth and nineth value of the
priomap are valid (in this way the last column in the table of the howto
make sense).

BUT IT IS WRONG! (tested by pinging with various tos)


Where is the truth? I'm misssing something? Where?

Please help me to solve the mistery of priomap....

Luca
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