O'Reilly logo

Cisco® Field Manual: Catalyst® Switch Configuration by Steve McQuerry, Dave Hucaby

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

6-6. Private VLANs

  • Private VLANs allow for additional security between devices in a common subnet.

  • Private edge VLANs can be configured to prevent connectivity between devices on access switches.

  • Private VLANs can be configured on the Catalyst 6000 and Catalyst 4000 series products.

  • Within a private VLAN, you can isolate devices to prevent connectivity between devices within the isolated VLAN.

  • Within a private VLAN, communities can be created to allow connection between some devices and to prevent them from communicating with others.

  • Promiscuous ports are mapped to private VLANs to allow for connectivity to VLANs outside of this network.

Configuring Private VLANs

Private VLANs provide a mechanism to control which devices can communicate within a single ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required