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Quality of Service: Managing Bandwidth More Effectively
Globally-Configured QoS
configure an 802.1p priority of 7 for packets received with a DSCP of 000110,
and then enable diff-services:
Executing this command
displays the current Type-of-
Service configuration and shows
that the DSCP 000110 is not
currently in use.
The 000110 codepoint is unused,
and thus available for directly
assigning an 802.1p priority
without changing the packet’s
DSCP.
Note: All codepoints without a
“DSCP Policy” entry are
available for direct 802.1p priority
assignment.
Figure 6-16. Displaying the Codepoints Available for 802.1p Priority Assignments
Notice that codepoints 000000 and 001001 are named as DSCP
policies by other codepoints (000001 and 000110 respectively). This
means they are not available for changing to a different 802.1p priority.
Outbound IP packets
with a DSCP of 000110
will have a priority of 7.
Figure 6-17. Type-of-Service Configuration that Enables Both 802.1p Priority and
DSCP Policy Assignment
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