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Policy-Map Commands
12-98 Configuring Quality of Service
Mode
Policy
‐
Map
Class
configuration:
XSR(config-pmap-c-<
xx>
)#
Example
The
following
example
configures
policy
‐
map
setCosTo4
that
matches
input
priority
value
range
from
5
to
7
and
sets
the
output
VLAN
priority
to
4
:
XSR(config)#policy-map setCosTo4
XSR(config-pmap<setCosTo4>)#class matchCos5To7
XSR(config-pmap-c<matchCos5to7>)#set cos 4
set ip dscp
This
command
marks
a
packet
by
setting
the
IP
Differentiated
Services
Code
Point
(DSCP)
in
the
Type
of
Service
(ToS)
byte.
Once
the
IP
DSCP
bit
is
set,
other
QoS
services
can
then
operate
on
the
bit
settings.
The
network
gives
priority
(or
some
type
of
expedited
handling)
to
marked
traffic.
Typically,
you
set
IP
precedence
at
the
edge
of
the
network
(or
administrative
domain);
data
then
is
queued
based
on
the
precedence.
Class
‐
Based
Weighted
Fair
Queueing
(CBWFQ)
can
speed
up
handling
for
high
‐
precedence
traffic
at
congestion
points.
Syntax
set ip dscp
ip-dscp-value
Note:
You cannot mark a packet by the IP precedence with the
set ip precedence
command
and mark the same packet with an IP DSCP value by entering the
set ip dscp
command.
Note:
Reserved keywords
EF
(Expedited Forwarding),
AF11
(Assured Forwarding Class 11), and
AF12
(Assured Forwarding Class 12) can be specified instead of numeric values.
ip-dscp-value
A
number
from
0
to
63
that
sets
the
IP
DSCP
value.
Reserved
keywords
can
be
set
instead
of
numeric
values
as
follows:
af11
‐
Match
packets
with
AF11
DSCP
(001010)
af12
‐
Match
packets
with
AF12
DSCP
(001100)
af13
‐
Match
packets
with
AF13
DSCP
(001110)
af21
‐
Match
packets
with
AF21
DSCP
(010010)
af22
‐
Match
packets
with
AF22
DSCP
(010100)
af23
‐
Match
packets
with
AF23
DSCP
(010110)
af31
‐
Match
packets
with
AF31
DSCP
(011010)
af32
‐
Match
packets
with
AF32
DSCP
(011100)
af33
‐
Match
packets
with
AF33
DSCP
(011110)
af41
‐
Match
packets
with
AF41
DSCP
(100010)
af42
‐
Match
packets
with
AF42
DSCP
(100100)
af43
‐
Match
packets
with
AF43
DSCP
(001010)
Содержание X-Pedition XSR
Страница 1: ...X Pedition Security Router XSR CLI Reference Guide Version 7 6 P N 9033842 07...
Страница 2: ......
Страница 10: ...viii...
Страница 14: ...xii...
Страница 134: ...Bootrom Monitor Mode Commands 3 128 Configuring the XSR Platform...
Страница 278: ...VRRP Clear and Show Commands 5 202 Configuring the Internet Protocol...
Страница 352: ...IGMP Clear and Show Commands 7 104 Configuring IP Multicast...
Страница 406: ...Multilink Show Commands 8 136 Configuring the Point to Point Protocol...
Страница 436: ...Frame Relay Clear and Show Commands 9 112 Configuring Frame Relay...
Страница 460: ...Dialer Watch Commands 10 106 Configuring the Dialer Interface...