Cisco catalyst 3750 Command Reference Manual page 872
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- Software configuration manual (926 pages) ,
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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.
Syntax Description
host
promiscuous
Defaults
The default private-VLAN mode is neither host nor promiscuous.
The default switchport mode is dynamic auto.
Command Modes
Interface configuration
Command History
Release
12.2(20)SE
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:
•
•
•
•
•
•
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.
Catalyst 3750 Switch Command Reference
2-842
switchport mode private-vlan {host | promiscuous}
no switchport mode private-vlan
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.
Configure the interface as a private-VLAN promiscuous port. Promiscuous
ports are members of private-VLAN primary VLANs.
Modification
This command was introduced.
Dynamic-access port VLAN membership
Dynamic Trunking Protocol (DTP)
Port Aggregation Protocol (PAgP)
Link Aggregation Control Protocol (LACP)
Multicast VLAN Registration (MVR)
Voice VLAN
Chapter 2 Catalyst 3750 Switch Cisco IOS Commands
OL-8552-07
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