JetStream 52-Port Gigabit Stackable L3 Managed Switch CLI Guide
based on 802.1p priority mode. The untagged packets are mapped based on
port priority mode.
Syntax
classofservice queue cos-map
cos-id
tc-id
no classofservice queue cos-map
Parameter
cos-id
—— The 8 priority levels defined by IEEE 802.1p or the priority level
the packets with tag are mapped to, which ranges from CoS 0 to CoS 7.
tc-id
—— The egress queue the packets with tag are mapped to. It ranges
from 0 to 6, which represents TC queue from TC0 to TC6 respectively.
Command Mode
Global Configuration Mode
User Guidelines
1. By default, the mapping relation between tag/cos and the egress queue is:
0-TC1, 1-TC0, 2-TC0, 3-TC1, 4-TC2, 5-TC2, 6-TC3, 7-TC3.
2. Among the priority levels TC0-TC6, the bigger value, the higher
priority.
Example
Map CoS 5 to TC 2.:
T3700G-52TQ(config)#classofservice queue cos-map 5 2
24.4 classofservice queue dscp-map
Description
The classofservice queue dscp-map command is used to configure the
mapping relation between DSCP Priority and the TC egress queue. To return
to the default configuration, please use no classofservice queue dscp-map
command. DSCP (DiffServ Code Point) is a new definition to IP ToS field given
by IEEE. This field is used to divide IP datagram into 64 priorities. When DSCP
Priority is enabled, IP datagram are mapped to different priority levels based
on DSCP priority mode; non-IP datagram with IEEE 802.1Q tag are mapped to
different priority levels based on IEEE 802.1p priority mode if IEEE 802.1p
Priority is enabled; the untagged non-IP datagram are mapped based on port
priority mode.
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