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3.1.7 Example for Trunk Usage
A company wants to separate the Engineer Department, Sales Department, Marketing
Department and other departments to limit their communication with each other to ensure the
security. Many employees of the company use some switches supported 802.1Q VLAN to
expand the network. In this case, we can define four VLANs that are VLAN5, VLAN6,
VLAN7 and VLAN8. Each LAN port is Trunk port which supports multiple VLAN. The
subnet of VLAN5 is 192.168.1.0; the subnet of VLAN6 is 192.168.2.0; the subnet of
VLAN7 is 192.168.3.0 and the subnet of VLAN8 is 192.168.4.0.
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1.
Refer to A.1 to block LAN-to-LAN communication.
2.
Create VLAN5, VLAN6, VLAN7 and VLAN8 Groups.
3.
In the VLAN5, input "5" to VLAN ID. In the Member field, choose p1, p2, p3 and p4.
Then choose the "Tagged" for Frame Tag Operation in p1, p2, p3 and p4. We can
ignore the PVID (Port VLAN ID), because 802.1q tag will be inserted to the frame
from the switch.
4.
In the VLAN6, type "6" to VLAN ID. In the Member field, choose p1, p2, p3 and p4.
Then choose the "Tagged" for Frame Tag Operation in p1, p2, p3 and p4. We can
ignore the PVID (Port VLAN ID), because 802.1q tag will be inserted to the frame
from switch.
5.
In the VLAN7, type "7" to VLAN ID. In the Member field, choose p1, p2, p3 and p4.
Then choose the "Tagged" for Frame Tag Operation in p1, p2, p3 and p4. We can
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Vigor3300V+
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Vigor3300V+ Series User's Guide
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