Operation Manual – QoS-QoS Profile
H3C S3100 Series Ethernet Switches Chapter 1 QoS Configuration
1-18
Operation Command Description
Configure
to trust
packet
priority
priority trust
Required
By default, the S3100
series switches trust port
priority.
z If you configure to trust
packet priority without
specifying the trusted
priority type, the switch
trusts the 802.1p priority
of the received packets.
z On the S3100-SI series
switches, to configure to
trust DSCP or IP
precedence of packets,
you can use the
priority-trust
command to specify the
trusted priority type
directly, without having
to configure the priority
trust command.
z On the S3100-EI series
switches, to configure to
trust DSCP precedence
of packets, you should
configure the priority
trust command first and
then use the
priority-trust
command to specify the
DSCP precedence.
Configure
to trust
packet
priority
Specify
the
trusted
priority
type
priority-trust
{ cos | dscp |
ip-precedence }
Required
z If you configure to trust
packet priority without
specifying the trusted
priority type, the switch
trusts the 802.1p (CoS)
priority of the received
packets.
z Note that the H3C
S3100-EI series
Ethernet switches do
not support the
ip-precedence
keyword of this
command.
III. Configuration examples
# Configure to trust port priority and set the priority of Ethernet 1/0/1 to 7.
<Sysname> system-view
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