Planet Networking & Communication IGS-6325 Series User Manual page 141

Port VLAN Configuration
The VLAN Port Configuration screen in
The page includes the following fields:
Object

Port
 Mode
Access
Trunk
Figure 4-3-3-2 appears.
Figure 4-3-3-2 : Port VLAN Configuration Screenshot
Description
This is the logical port number for this row.
Access ports are normally used to connect to end stations. Dynamic features like
Voice VLAN may add the port to more VLANs behind the scenes. Access ports
have the following characteristics:

Member of exactly one VLAN, the Port VLAN (Access VLAN), which by
default is 1

Accepts untagged and C-tagged frames

Discards all frames that are not classified to the Access VLAN

On egress all frames classified to the Access VLAN are transmitted
untagged. Other (dynamically added VLANs) are transmitted tagged
Trunk ports can carry traffic on multiple VLANs simultaneously, and are normally
used to connect to other switches. Trunk ports have the following characteristics:

By default, a trunk port is member of all VLANs (1-4095)

The VLANs that a trunk port is member of may be limited by the use of
Allowed VLANs

Frames classified to a VLAN that the port is not a member of are
discarded

By default, all frames but frames classified to the Port VLAN (a.k.a.
Native VLAN) get tagged on egress. Frames classified to the Port
VLAN do not get C-tagged on egress

Egress tagging can be changed to tag all frames, in which case only
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User's Manual of IGS-6325 series