Configure Quality of Service
239
M4100 Series Managed Switch
6. Click the Login button.
The web management interface menu displays.
7. Select QoS
 CoS > Advanced > CoS Interface Configuration.
8. Use Interface to specify all CoS configurable interfaces.
9. Use Interface T
rust Mode to specify whether to trust a particular packet marking at ingress.
Interface
Trust Mode can be only one of the following:
• untrusted
• trust dot1p
• trust ip-dscp
The default value is trust dot1p.
10. Use Interface Shaping Rate to specify the maximum bandwidth allowed, typically used to
shape the outbound transmission rate.
This value is controlled independently of any per-queue maximum bandwidth
configuration. It is ef
fectively a second-level shaping mechanism. The default value is 0.
The valid range is 0 to 100 in increments of 1. The value 0 means that the maximum is
unlimited.
11. Click the APPL
Y button.
The updated configuration is sent to the switch. Configuration changes take effect
immediately
.
Configure an Interface Queue
You can define what a particular queue does by configuring switch egress queues.
User-configurable parameters control the amount of bandwidth used by the queue, the queue
depth during times of congestion, and the scheduling of packet transmission from the set of
all queues on a port. Each port has its own CoS queue-related configuration.
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