QTECH QSW-8300 Инструкция по настройке - Manual (Page 112)

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After data steam classification, a policy map can be created to associate with a class map
created earlier and enter policy class mode. Then different policies (such as bandwidth limit,
assigning new DSCP value) can be applied to different data streams.
Apply Egress QoS to port or VLAN
Configure the trust mode or binding policies for ports. A policy will only take effect on a port
when it is bound to that port.
The policy may be bound to the specific VLAN.
Set Egress QoS remark mapping
If modify QoS attribute by using Egress QoS remark in policy, it should set the corresponding
mapping. If it needs to take effect to green packets, modifying switch of green packets should
be enabled and ingress needs to trust the corresponding QoS attribute (qos/dscp/exp).
1. Configure a class-map
Command Explanation
Global Mode
class-map
no class-map
Create a class-map and enter class-map
mode, no command deletes the specified
class-map.
match {access-group <acl-index-or-name> | ip
dscp <dscp-list> | ip precedence <ip-
precedence-list> | ipv6 dscp <dscp-list> | vlan
<vlan-list> | cos <cos-list> | ipv6 access-group
<acl-index-or-name>}
no match {access-group | ip dscp | ip
precedence | ipv6 dscp | vlan | cos | ipv6
access-group}
Configure the matched standard of the
class map to classify the data stream
according to ACL, CoS, VLAN ID, IPv4
Precedence, DSCP, IPv6 DSCP priority;
no command deletes the specific
matched standard.
2. Configure a policy-map
Command Explanation
Global Mode
policy-map
no policy-map
Create a policy-map and enter policy-map
mode, no command deletes the specific
policy-map.
class [insert-before
]
no class
Create a policy map to associate with a class
map and enter policy class map mode, then
different data streams can apply different
policies and be assigned a new DSCP value.
No command deletes the specified policy
class map.