Priority mapping table and priority marking configuration example
Network requirements
As shown in Figure 6:
The Marketing department connects to of Device, which sets the 802.1p priority of traffic from the Marketing department to 3.
The R&D department connects to of Device, which sets the 802.1p priority of traffic from the R&D department to 4.
The Management department connects to of Device, which sets the 802.1p priority of traffic from the Management department to 5.
Configure port priority, 802.1p-to-local mapping table, and priority marking to implement the plan as described in Table 2.
Table 2: Configuration plan
Traffic destination | Traffic priority order | Queuing plan | ||
|---|---|---|---|---|
Traffic source | Output queue | Queue priority | ||
Public servers | R&D department > Management department > Marketing department | R&D department | 6 | High |
Management department | 4 | Medium | ||
Marketing department | 2 | Low | ||
Internet | Management department > Marketing department > R&D department | R&D department | 2 | Low |
Management department | 6 | High | ||
Marketing department | 4 | Medium | ||
Figure 6: Network diagram
Configuration procedure
Configure trusting port priority:
# Set the port priority of to 3.
<Device> system-view [Device] interface [Device-] qos priority 3 [Device-] quit
# Set the port priority of to 4.
[Device] interface [Device-] qos priority 4 [Device-] quit
# Set the port priority of to 5.
[Device] interface [Device-] qos priority 5 [Device-] quit
Configure the 802.1p-to-local mapping table to map 802.1p priority values 3, 4, and 5 to local precedence values 2, 6, and 4.
This guarantees the R&D department, Management department, and Marketing department decreased priorities to access the public servers.
[Device] qos map-table dot1p-lp [Device-maptbl-dot1p-lp] import 3 export 2 [Device-maptbl-dot1p-lp] import 4 export 6 [Device-maptbl-dot1p-lp] import 5 export 4 [Device-maptbl-dot1p-lp] quit
Configure priority marking:
# Create ACL 3000, and configure a rule to match HTTP packets.
[Device] acl advance 3000 [Device-acl-adv-3000] rule permit tcp destination-port eq 80 [Device-acl-adv-3000] quit
# Create a traffic class named http, and use ACL 3000 as a match criterion.
[Device] traffic classifier http [Device-classifier-http] if-match acl 3000 [Device-classifier-http] quit
# Create a traffic behavior named admin, and configure a marking action for the Management department.
[Device] traffic behavior admin [Device-behavior-admin] remark dot1p 4 [Device-behavior-admin] quit
# Create a QoS policy named admin, and associate traffic class http with traffic behavior admin in QoS policy admin.
[Device] qos policy admin [Device-qospolicy-admin] classifier http behavior admin [Device-qospolicy-admin] quit
# Apply QoS policy admin to the inbound direction of .
[Device] interface [Device-] qos apply policy admin inbound
# Create a traffic behavior named market, and configure a marking action for the Marketing department.
[Device] traffic behavior market [Device-behavior-market] remark dot1p 5 [Device-behavior-market] quit
# Create a QoS policy named market, and associate traffic class http with traffic behavior market in QoS policy market.
[Device] qos policy market [Device-qospolicy-market] classifier http behavior market [Device-qospolicy-market] quit
# Apply QoS policy market to the inbound direction of .
[Device] interface [Device-] qos apply policy market inbound
# Create a traffic behavior named rd, and configure a marking action for the R&D department.
[Device] traffic behavior rd [Device-behavior-rd] remark dot1p 3 [Device-behavior-rd] quit
# Create a QoS policy named rd, and associate traffic class http with traffic behavior rd in QoS policy rd.
[Device] qos policy rd [Device-qospolicy-rd] classifier http behavior rd [Device-qospolicy-rd] quit
# Apply QoS policy rd to the inbound direction of .
[Device] interface [Device-] qos apply policy rd inbound