H3C Technologies H3C S3100 Series Switches - Manual (Page 593)

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For detailed information about priority trust mode, refer to Priority trust mode .
Configuration prerequisites
The priority trust mode to be configured is determined.
Configuration procedure
You can configure to trust port priority or packet priority. Table 1-10 shows the detailed configuration
procedure.
Table 1-10 Configure priority trust mode
Operation Command Description
Enter system view system-view —
Configure to
trust port
priority
undo priority trust
Optional
By default, the S3100 series
switches trust port priority.
Enter
Ethernet port
view interface
interface-type
interface-number
—
Configure
the port
priority
priority priority-level
Optional
By default, the port priority is
0.
Configure
to trust port
priority
Exit to
system view
quit —
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
Use either
approach