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Catalyst 3560 Switch Command Reference
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Chapter 2 Catalyst 3560 Switch Cisco IOS Commands
switchport mode private-vlan
switchport mode private-vlan
Use the switchport mode private-vlan interface configuration command to configure a port as a
promiscuous or host private VLAN port. Use the no form of this command to reset the mode to the
appropriate default for the device.
switchport mode private-vlan {host | promiscuous}
no switchport mode private-vlan
Syntax Description
Defaults The default private-VLAN mode is neither host nor promiscuous.
The default switchport mode is dynamic auto.
Command Modes Interface configuration
Command History
Usage Guidelines A private-VLAN host or promiscuous port cannot be a Switched Port Analyzer (SPAN) destination port.
If you configure a SPAN destination port as a private-VLAN host or promiscuous port, the port becomes
inactive.
Do not configure private VLAN on ports with these other features:
• Dynamic-access port VLAN membership
• Dynamic Trunking Protocol (DTP)
• Port Aggregation Protocol (PAgP)
• Link Aggregation Control Protocol (LACP)
• Multicast VLAN Registration (MVR)
• Voice VLAN
A private-VLAN port cannot be a SPAN destination port.
While a port is part of the private-VLAN configuration, any EtherChannel configuration for it is inactive.
A private-VLAN port cannot be a secure port and should not be configured as a protected port.
For more information about private-VLAN interaction with other features, see the software
configuration guide for this release.
host Configure the interface as a private-VLAN host port. Host ports belong to
private-VLAN secondary VLANs and are either community ports or isolated
ports, depending on the VLAN that they belong to.
promiscuous Configure the interface as a private-VLAN promiscuous port. Promiscuous
ports are members of private-VLAN primary VLANs.
Release Modification
12.2(20)SE This command was introduced.
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