Thursday, June 26, 2008

DSCP/IPP/PHP

IP Precedence
Decimal_Value Binary_Value Name

----------------------------------------------------
Precednece 0 000 Routine
Precedence 1 001 Priority
Precedence 2 010 Immediate
Precedence 3 011 Flash
Precedence 4 100 Flash Overide
Precedence 5 101 Critical
Precedence 6 110 Internetwork control
Precedence 7 111 Network Control

DSCP value and IP Precedence
DSCP_class DSCP_binary IPP_Binary

-----------------------------------------------------------------
CS0 000000(0-7) 000
CS1 001000(8-15) 001
CS2 010000(16-23) 010
CS3 011000(24-31) 011
CS4 100000(32-39) 100
CS5 101000(40-47)EF 101
CS6 110000(48-55) 110
CS7 111000(56-63) 111

(AF)PHP and DSCP (AFxy)
Class Low drop(Name/binary/Decimal) Medium drop(Name/binary/decimal) High Drop Name/binary/decimal)


1 AF11 / 001010 / 10 AF12 / 001100 / 12 AF13 / 001110 / 14
2 AF21 / 010010 / 18 AF22 / 010100 / 20 AF23 / 010110 / 22
3 AF31 / 011010 / 26 AF32 / 011100 / 28 AF33 / 011110 / 30
4 AF41 / 100010 / 34 AF42 / 100100 / 36 AF43 / 100110 / 38
AF to decimal 8x + 2y AF42 = 8x4 + 2x2 =36

No comments: