Default Ingress Queue Configuration - Cisco Catalyst 3750-E Software Configuration Manual
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Also See for Catalyst 3750-E:
- Getting started manual (27 pages) ,
- Product support bulletin (6 pages) ,
- Configuration handbook (359 pages)
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Chapter 37
Configuring QoS
When QoS is enabled with the mls qos global configuration command and all other QoS settings are at
their defaults, traffic is classified as best effort (the DSCP and CoS value is set to 0) without any policing.
No policy maps are configured. The default port trust state on all ports is untrusted. The default ingress
and egress queue settings are described in the
page 37-37
Default Ingress Queue Configuration
Table 37-6
Table 37-6
Feature
Buffer allocation
Bandwidth allocation
Priority queue bandwidth
WTD drop threshold 1
WTD drop threshold 2
1. The bandwidth is equally shared between the queues. SRR sends packets in shared mode only.
2. Queue 2 is the priority queue. SRR services the priority queue for its configured share before servicing the other queue.
Table 37-7
Table 37-7
CoS Value
0–4
5
6, 7
Table 37-8
Table 37-8
DSCP Value
0–39
40–47
48–63
OL-9775-08
and the
"Default Egress Queue Configuration" section on page
shows the default ingress queue configuration when QoS is enabled.
Default Ingress Queue Configuration
1
2
shows the default CoS input queue threshold map when QoS is enabled.
Default CoS Input Queue Threshold Map
Queue ID–Threshold ID
1–1
2–1
1–1
shows the default DSCP input queue threshold map when QoS is enabled.
Default DSCP Input Queue Threshold Map
Queue ID–Threshold ID
1–1
2–1
1–1
"Default Ingress Queue Configuration" section on
Queue 1
90 percent
4
0
100 percent
100 percent
Catalyst 3750-E and 3560-E Switch Software Configuration Guide
Configuring Standard QoS
37-38.
Queue 2
10 percent
4
10
100 percent
100 percent
37-37
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