Extreme Networks ExtremeWare 7.7, Command Reference Manual

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436 ExtremeWare 7.7 Command Reference Guide
QoS Commands
configure diffserv replacement priority vpri code-point
ports
configure diffserv replacement priority vpri <value> code-point
<code_point> ports [<portlist> | all]
Description
Configures the default egress DiffServ replacement mapping.
NOTE
This command is available only on the “i” series switches.
Syntax Description
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
and
enable diffserv replacement ports
commands.
The default 802.1p priority value to code point mappings are described in Table 11.
value Specifies the 802.1p priority value.
code_point Specifies a 6-bit value to be used as the replacement code point in the IP-TOS byte in the IP
header.
portlist 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.
Table 11: Default 802.1p Priority Value-to-Code Point Mapping
Hardware Queue 802.1p Priority value Code Point
Q0 0 0
Q1 1 8
Q2 2 16
Q3 3 24
Q4 4 32
Q5 5 40
Q6 6 48
Q7 7 56