user manual

CHAPTER 5
Configuring Private VLANs
Finding Feature Information, page 83
Prerequisites for Private VLANs, page 83
Restrictions for Private VLANs, page 86
Information About Private VLANs, page 87
How to Configure Private VLANs, page 93
Monitoring Private VLANs, page 101
Configuration Examples for Private VLANs, page 102
Where to Go Next, page 104
Additional References, page 104
Feature History and Information for Private VLANs, page 105
Finding Feature Information
Your software release may not support all the features documented in this module. For the latest feature
information and caveats, see the release notes for your platform and software release.
Use Cisco Feature Navigator to find information about platform support and Cisco software image support.
To access Cisco Feature Navigator, go to http://www.cisco.com/go/cfn. An account on Cisco.com is not
required.
Prerequisites for Private VLANs
The following are prerequisites for configuring private VLANs:
When you configure private VLANs on switches running VTP, the switch must be in VTP transparent
mode.
When configuring private VLANs on the switch, always use the default Switch Database Management
(SDM) template to balance system resources between unicast routes and Layer 2 entries. If another SDM
Catalyst 2960-XR Switch VLAN Configuration Guide, Cisco IOS Release 15.0(2)EX1
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