Default Settings For Private Vlans; Configuring A Private Vlan; Enabling Private Vlans - Cisco Nexus 7000 Series Configuration Manual

Default Settings for Private VLANs

• After you configure the association between the primary and secondary VLANs, the dynamic MAC
• After you configure the association between the primary and secondary VLANs, all static MAC addresses
• After you configure the association between the primary and secondary VLANs, you cannot create static
• After you configure the association between the primary and secondary VLANs, if you delete the
• Port security features are not supported with private VLANs.
• In private VLANs, STP controls only the primary VLAN.
• Multicast or broadcast message,s such as ARP or HSRP hello, cannot be flooded through a private

Default Settings for Private VLANs

This table lists the default setting for private VLANs.
Table 7: Default Private VLAN Setting
Parameters
Private VLANs

Configuring a Private VLAN

You must have already created the VLAN before you can assign the specified VLAN as a private VLAN.

Enabling Private VLANs

You must enable private VLANs on the device to have the private VLAN functionality.
Note The private VLAN commands do not appear until you enable the private VLAN feature.
Cisco Nexus 7000 Series NX-OS Layer 2 Switching Configuration Guide, Release 5.x
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addresses that learned the secondary VLANs are flushed.
that were created on the secondary VLANs are inserted into the primary VLAN. If you delete the
association, the static MAC addresses revert to the secondary VLANs only.
MAC addresses for the secondary VLANs.
association, all static MAC addresses that were created on the primary VLANs remain on the primary
VLAN only.
VLAN if you remove some of the secondary VLANs from a vPC trunk when a private VLAN, MST,
or vPC is configured or if you delete some of the secondary VLANs. In this case, you should reconfigure
the removed secondary VLANs as a trunk again, or reconfigure the deleted secondary VLANS again.
Configuring Private VLANs Using NX-OS
Default
Disabled