Standard Qos Configuration Guidelines - Cisco Catalyst 2960 Software Configuration Manual
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Configuring Standard QoS
Table 33-12
Table 33-12
DSCP Value
0–15
16–31
32–39
40–47
48–63
Default Mapping Table Configuration
The default CoS-to-DSCP map is shown in
The default IP-precedence-to-DSCP map is shown in
The default DSCP-to-CoS map is shown in
The default DSCP-to-DSCP-mutation map is a null map, which maps an incoming DSCP value to the
same DSCP value.
The default policed-DSCP map is a null map, which maps an incoming DSCP value to the same DSCP
value (no markdown).
Standard QoS Configuration Guidelines
Before beginning the QoS configuration, you should be aware of this information in these sections:
•
•
•
•
•
QoS ACL Guidelines
•
•
Catalyst 2960 and 2960-S Switches Software Configuration Guide, Release 15.0(1)SE
33-40
shows the default DSCP output queue threshold map when QoS is enabled.
Default DSCP Output Queue Threshold Map
Queue ID–Threshold ID
2–1
3–1
4–1
1–1
4–1
"QoS ACL Guidelines" section on page 33-40
"Policing Guidelines" section on page 33-41
"General QoS Guidelines" section on page 33-41
pending review: Configuring IPv6 on Switch
Stacks:http://www.cisco.com/en/US/docs/switches/lan/catalyst3750x_3560x/software/release/15.0
_1_se/configuration/guide/swqos.html#wp1426834
pending review: IPv6 QoS ACL Guidelines (do IPv6 ACL guidelines and IPv6 QoS ACL guidelines
mean the same?)
http://www.cisco.com/en/US/docs/switches/lan/catalyst3750x_3560x/software/release/15.0_1_se/c
onfiguration/guide/swqos.html#wp1706884
If you use QoS ACLs for classification, you can use the sdm prefer qos global configuration
command to set the Switch Database Management (SDM) feature to the QoS template. SDM
configures system resources to support the maximum number of access control entries (ACEs). For
more information on the SDM templates, see
It is not possible to match IP fragments against configured IP extended ACLs to enforce QoS. IP
fragments are sent as best-effort. IP fragments are denoted by fields in the IP header.
Table 33-13 on page
33-65.
Table 33-14 on page
Table 33-15 on page
33-68.
Chapter 8, "Configuring SDM Templates."
Chapter 33
Configuring QoS
33-66.
OL-26520-01
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