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14-9
Port-Based Virtual LANs (VLANs) and GVRP
Port-Based Virtual LANs (Static VLANs)
Port-Based Virtual LANs
(VLANs) and GVRP
Figure 14-5. Comparing Per-Port VLAN Options With and Without GVRP
Table 14-1. Per-Port VLAN Configuration Options
Example of Per-Port
VLAN Configuration
with GVRP Disabled
(the default)
Example of Per-Port
VLAN Configuration
with GVRP Enabled
Enabling GVRP causes “No” to display as “Auto”.
Parameter Effect on Port Participation in Designated VLAN
Tagged Allows the port to join multiple VLANs.
Untagged Allows VLAN connection to a device that is configured for an untagged
VLAN instead of a tagged VLAN. The switch allows no more than one
untagged VLAN assignment per port.
No
- or -
Auto
No
: Appears when the switch is not GVRP-enabled; prevents the port from
joining that VLAN.
Auto: Appears when GVRP is enabled on the switch; allows the port to
dynamically join any advertised VLAN that has the same VID
Forbid
Prevents the port from joining the VLAN, regardless of whether GVRP is
enabled on the switch.