5-49
Quality of Service: Managing Bandwidth More Effectively
Globally-Configured QoS
Syntax: qos type-of-service diff-services
Enables ToS diff-services.
Syntax: qos type-of-service diff-services < current-codepoint > dscp
< new-codepoint >
Configures the switch to select an incoming IP packet carry-
ing the <current-codepoint > and then use the <new-codepoint>
to assign a new, previously configured DSCP policy to the
packet. The policy overwrites the <current-codepoint> with the
< new-codepoint > and assigns the 802.1p priority specified
by the policy.
Valid values for a DSCP codepoint are as follows:
- A binary value for the six-bit codepoint from 000000 to
111111.
- A decimal value from 0 (low priority) to 63 (high priority)
that corresponds to a binary DSCP bit set
-An ASCII standard (hexadecimal) name for a binary DSCP
bit set
Type ? to display the list of valid codepoint entries.
To reconfigure the 802.1p priority currently assigned to a
DSCP codepoint, use the qos dscp-map command as described
in“Differentiated Services Codepoint (DSCP) Mapping” on
page 5-90.
Syntax: no qos type-of-service
Disables all ToS classifier operation. Current ToS DSCP
policies and priorities remain in the configuration and will
become available if you re-enable ToS diff-services.
Syntax: no qos type-of-service [diff-services < codepoint >]
Deletes the DSCP policy assigned to the
< codepoint > and returns the < codepoint > to the 802.1p
priority setting it had before the DSCP policy was assigned.
(This will be either a value from 0 - 7 or No-override.)
Syntax: show qos type-of-service
Displays a listing of codepoints with any corresponding
DSCP policy re-assignments for outbound packets. Also dis-
plays the 802.1p priority for each codepoint that does not
have a DSCP policy assigned to it.
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