Dell PowerConnect 8024 User Configuration Manual page 564

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Table 22-5. Forwarding Rules for Traffic in Isolated VLAN

stack (trunk)

Limitations and Recommendations

Only a single isolated VLAN can be associated with a primary VLAN.

Multiple community VLANs can be associated with a primary VLAN.

Trunk and general modes are not supported on private VLAN ports.

Do not configure access ports using the VLANs participating in any of the

private VLANs.

Multiple primary VLANs may be configured. Each primary VLAN must be

unique and each defines a separate private VLAN domain. The operator

must take care to use only the secondary VLANs associated with the

primary VLAN of a domain.

Private VLANs cannot be enabled on a preconfigured interface. The

interface must physically exist in the switch.

Secondary (community and isolated) VLANS are associated to the same

multiple spanning tree instance as the primary VLAN.

GVRP/MVRP cannot be enabled after the private VLAN is configured.

The administrator will need to disable both before configuring the private

DHCP snooping can be configured on the primary VLAN. If it is enabled

for a secondary VLAN, the configuration does not take effect if a primary

VLAN is already configured.

If IP source guard is enabled on private VLAN ports, then DHCP snooping

must be enabled on the primary VLAN.

Do not configure private VLAN ports on interfaces configured for voice

Configuring VLANs

stack (trunk)

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