Alcatel Omni Switch/Router User Manual page 435

while VLAN 2 traffic is allowed to pass. The reverse is true for Switch 1 and Switch 3 (i.e.,
VLAN 2 traffic is blocked, while VLAN 1 traffic is allowed to pass).
Service commands are used in Ethernet modules to assign groups to 10/100 and Gigabit ports.
The , , , and commands create, delete, modify, and view trunk services created
to handle 802.1Q traffic over an Ethernet backbone. This trunk service, coupled with the
default bridging service, allows you to pass both tagged and untagged frames over the same
port.
The following diagram shows the logical structure of the trunked groups:
802.1Q
Group 2
(802.1Q)
Group 1
Group 3
(Untagged)
(802.1Q)
Default Bridging
802.1Q Trunking Services
Service
Logical Ports
Physical Port
Logical Configuration of Multiple Groups on a Single Port
In the above diagram, Groups 2 and 3 have been trunked to the physical port with an
802.1Q
trunking service.
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