© Copyright Lenovo 2017
Chapter 4: Configuration Commands
417
Quality of Service Configuration
Quality
of
Service
(QoS)
commands
configure
the
802.1p
priority
value
and
DiffServ
Code
Point
value
of
incoming
packets.
This
allows
you
to
differentiate
between
various
types
of
traffic,
and
provide
different
priority
levels.
802.1p Configuration
This
feature
provides
the
G8264
the
capability
to
filter
IP
packets
based
on
the
802.1p
bits
in
the
packet
ʹ
s
VLAN
header.
The
802.1p
bits
specify
the
priority
that
you
should
give
to
the
packets
while
forwarding
them.
The
packets
with
a
higher
(non
‐
zero)
priority
bits
are
given
forwarding
preference
over
packets
with
numerically
lower
priority
bits
value.
Table 191.
802.1p
Configuration
Options
Command Syntax and Usage
qos
transmit
queue
mapping
<priority
(0
‐
7)>
<COSq
number
(0
‐
7)>
Maps
the
802.1p
priority
to
the
Class
of
Service
queue
(COSq)
priority.
Enter
the
802.1p
priority
value,
followed
by
the
Class
of
Service
queue
that
handles
the
matching
traffic.
Command
mode:
Global
configuration
default
qos
transmit
queue
mapping
Resets
the
802.1p
packet
priority
mapping
to
its
default
values.
Command
mode:
Global
configuration
qos
transmit
queue
multicast
mapping
<priority
(0
‐
7)>
<COSq
number
(8
‐
11)>
Maps
the
802.1p
priority
to
the
multicast
Class
of
Service
queue
(COSq)
priority.
Enter
the
802.1p
priority
value,
followed
by
the
multicast
Class
of
Service
queue
that
handles
the
matching
traffic.
Command
mode:
Global
configuration
default
qos
transmit
queue
multicast
mapping
Resets
the
802.1p
packet
priority
multicast
mapping
to
its
default
values.
Command
mode:
Global
configuration
qos
transmit
queue
weight
cos
<COSq
number
(0
‐
7)>
<weight
(0
‐
15)>
Configures
the
weight
of
the
selected
Class
of
Service
queue
(COSq).
Enter
the
queue
number,
followed
by
the
scheduling
weight.
Command
mode:
Global
configuration
default
qos
transmit
queue
weight
Resets
the
weights
of
Class
of
Service
queues
to
their
default
values.
Command
mode:
Global
configuration
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