3Com 4210G Series - Page 449

3-6
Network requirements
As shown in Figure 3-2, the enterprise network of a company interconnects all departments through
Device. The network is described as follows:
z The marketing department connects to GigabitEthernet 1/0/1 of Device, which sets the 802.1p
priority of traffic from the marketing department to 3.
z The R&D department connects to GigabitEthernet 1/0/2 of Device, which sets the 802.1p priority
of traffic from the R&D department to 4.
z The management department connects to GigabitEthernet 1/0/3 of Device, which sets the 802.1p
priority of traffic from the management department to 5.
Configure port priority, 802.1p-to-local priority mapping table, and priority marking to implement the
plan as described in
Table 3-1.
Table 3-1 Configuration plan
Queuing plan
Traffic
destination
Traffic Priority order
Traffic source
Output
queue
Queue
priority
R&D department 6 High
Management
department
4 Medium
Public servers
R&D department >
management department >
marketing department
Marketing
department
2 Low
R&D department 2 Low
Management
department
6 High
Internet
through HTTP
management department >
marketing department > R&D
department
Marketing
department
4 Medium