Default Egress Queue Configuration - Cisco Catalyst 3750-X Software Configuration Manual

Chapter 39 Configuring QoS

Default Egress Queue Configuration

Table 39-9
ports are mapped to queue-set 1. The port bandwidth limit is set to 100 percent and rate unlimited.
Table 39-9
Feature
Buffer allocation
WTD drop threshold 1
WTD drop threshold 2
Reserved threshold
Maximum threshold
SRR shaped weights
(absolute)
SRR shared weights
1. A shaped weight of zero means that this queue is operating in shared mode.
2. One quarter of the bandwidth is allocated to each queue.
Table 39-10
Table 39-10
CoS Value
0, 1
2, 3
4
5
6, 7
Table 39-11
Table 39-11
DSCP Value
0–15
16–31
32–39
40–47
48–63
OL-21521-01
shows the default egress queue configuration for each queue-set when QoS is enabled. All
Default Egress Queue Configuration
Queue 1
25 percent
100 percent
100 percent
50 percent
400 percent
25
1
2
25
shows the default CoS output queue threshold map when QoS is enabled.
Default CoS Output Queue Threshold Map
Queue ID–Threshold ID
2–1
3–1
4–1
1–1
4–1
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
Queue 2
25 percent
200 percent
200 percent
50 percent
400 percent
0
25
Catalyst 3750-X and 3560-X Switch Software Configuration Guide
Configuring Standard QoS
Queue 3 Queue 4
25 percent 25 percent
100 percent 100 percent
100 percent 100 percent
50 percent 50 percent
400 percent 400 percent
0 0
25 25
39-35