Config Diffserv Replacement Priority - Extreme Networks ExtremeWare Command Reference Manual

QoS Commands

config diffserv replacement priority

config diffserv replacement priority <value> code-point <code_point> ports
[<portlist> | all]
Description
Configures the default egress Diffserv replacement mapping.
Syntax Description
value
code_point
portlist
Default
N/A.
Usage Guidelines
To replace DiffServ code points you must enable both 802.1p replacement and DiffServ replacement
using the
enable dot1p replacement ports
The default 802.1p priority value to code point mappings are described as follows:
Table 10: Default 802.1p Priority Value-to-Code Point Mapping
Hardware Queue
"i" Chipset
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
Example
The following command specifies that a code point value of 25 should be used to replace the TOS bits
in packets with an 802.1p priority of 2 for ports 5-9:
config diffserv replacement priority 2 code-point 25 ports 5-9
282
Specifies the 802.1p priority value.
Specifies a 6-bit value to be used as the replacement code point in the
IP-TOS byte in the IP header.
Specifies a list of egress ports or slots and ports. May be in the form 1, 2, 3-5,
2:5, 2:6-2:8.
and
enable diffserv replacement ports
802.1p Priority value
0
1
2
3
4
5
6
7
Code Point
0
8
16
24
32
40
48
56
ExtremeWare Software 7.0.0 Command Reference Guide
commands.