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3 C O M

N J 2 0 5 I N T E L L I J A C K

Figure 3. Ingress and egress modes can be viewed

and configured using 3Com Central Configuration

Manager.

™

S W I T C H — V L A N S & T R A F F I C P R I O R I T I Z AT I O N

2. Click on the

Hardware Settings

egress modes. You should see a window like this:

3. Use the pull-down menu to set the desired

a) Frames transmitted unmodified

b) Add 802.1 tag to untagged frame

4. Use the pull-down menu to set the desired

a) Frames received unmodified

b) Remove 802.1 tag if present

Apply

5. Click on

to proceed to the password-request window. Once a password is

entered and accepted, the next window will show a summary of the new settings.

6. Click

to finalize and exit the configuration window.

Setting the PAN Port Associations

The PAN (device) ports can support up to four different VLAN domains. 3Com Central

Configuration Manager lets you assign individual ports to four separate VLANs, all

ports to the same VLAN, or any combination in between. The following example illus-

trates how the Port Associations are used to create two port groups assigned to separate

VLANs—where the ports in one group cannot share traffic with ports in the other.

tab to view the LAN (uplink) port ingress and

LAN Egress Mode

, either:

LAN Ingress Mode

, either: