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Example 4, Isolating Network Traffic According to Protocol
Switch 5
Switch 5 is set as follows:
1. Two VLANs are added to the list of VLANs in the Device VLAN Configuration screen. In this
example, it is set as follows:
•
VLAN ID 5, FID 5, with a VLAN Name of Yellow
•
VLAN ID 6, FID 6, with a VLAN Name of Gray
2. The Forward Default VLAN Out All Ports is set to YES using the Device VLAN Configuration
screen. This adds the Default VLAN to the Port VLAN List of every switch port.
3. To allow all frames (except the AppleTalk frames, which will be prevented in steps 4 and 5)
from being transmitted out Port 1 to Switch 3 and the network backbone, Port VLAN IDs are
assigned to all switch ports using the Port Assignment screen, as follows:
•
Port 1, VLAN ID: 5 for the Yellow VLAN
•
Port 2, VLAN ID: 5 for the Yellow VLAN
•
Port 3, VLAN ID: 5 for the Yellow VLAN
•
Port 4, VLAN ID: 5 for the Yellow VLAN
•
Port 5, VLAN ID: 5 for the Yellow VLAN
•
Port 6, VLAN ID: 5 for the Yellow VLAN
•
Port 7, VLAN ID: 5 for the Yellow VLAN
•
Port 8, VLAN ID: 5 for the Yellow VLAN
4. On the VLAN Classification Configuration screen, the AppleTalk protocol is assigned to the
VLAN ID (VID) 6 of the Gray VLAN, as follows:
•
VID: 6
•
Classification: Ethernet II Type
•
Ethernet II Type: AppleTalk
This sets the Gray VLAN (VID: 6) so that it will handle only AppleTalk frames and enables
ports to be assigned the this VLAN.
12-40
VLAN Operation and Network Applications
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