Network load control
10.4
QoS/Priority
127
UM Config GRS
Release
8.0
09/2019
10.4.7
Management prioritization
In order for you to constantly have access to the device management, although there is a high
network load, the device lets you prioritize management packets.
When prioritizing management packets, the device sends the management packets with priority
information.
On Layer 2, the device modifies the VLAN priority in the VLAN tag.
The prerequisite for this function is that the corresponding ports are set to allow sending packets
with a VLAN tag.
On Layer 3, the device modifies the IP-DSCP value.
10.4.8
Setting prioritization
Assigning the port priority
Perform the following steps:
Assigning VLAN priority to a traffic class
Perform the following steps:
Open the
Switching > QoS/Priority > Port Configuration
dialog.
In the
Port priority
column, you specify the priority with which the device forwards the data
packets received on this port without a VLAN tag.
In the
Trust mode
column, you specify the criteria the device uses to assign a traffic class
to data packets received.
To save the changes temporarily, click the button.
enable
Change to the Privileged EXEC mode.
configure
Change to the Configuration mode.
interface 1/1
Change to the interface configuration mode of
interface
1/1
.
vlan priority 3
Assign interface
1/1
the port priority
3
.
exit
Change to the Configuration mode.
Open the
Switching > QoS/Priority > 802.1D/p Mapping
dialog.
To assign a traffic class to a VLAN priority, insert the associated value in the
Traffic class
column.
To save the changes temporarily, click the button.
enable
Change to the Privileged EXEC mode.
configure
Change to the Configuration mode.
classofservice dot1p
-
mapping 0 2
Assigning a VLAN priority of
0
to traffic class
2
.
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