HP MSR2000/3000/4000 Router Series ACL and QoS Configuration Guide

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Port priority configuration example
Network requirements
As shown in Figure 5, the IP precedence of traffic from Router A to Router C is 3, and the IP precedence
of traffic from Router B to Router C is 1.
Configure Router C to preferentially process packets from Router A to the server when Ethernet 1/3 of
Router C is congested.
Figure 5 Network diagram
Configuration procedure
# Assign port priority to Ethernet 1/1 and Ethernet 1/2. Make sure the priority of Ethernet 1/1 is higher
than that of Ethernet 1/2, and no trusted packet priority type is configured on Ethernet 1/1 or Ethernet
1/2.
<RouterC> system-view
[RouterC] interface ethernet 1/1
[RouterC-Ethernet1/1] qos priority 3
[RouterC-Ethernet1/1] quit
[RouterC] interface ethernet 1/2
[RouterC-Ethernet1/2] qos priority 1
[RouterC-Ethernet1/2] quit
Priority mapping table and priority marking
configuration example
Network requirements
As shown in Figure 6:
• The marketing department connects to Ethernet 1/1 of the router, which sets the 802.1p priority of
traffic from the marketing department to 3.
Internet
Router A
Router C
Server
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Router B
Eth1/3
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