Cisco Systems N3KC3064TFAL3 manual Configuring Private VLANs, Information About Private VLANs

C H A P T E R 5

Configuring Private VLANs

This chapter contains the following sections:

•Information About Private VLANs, page 37

•Guidelines and Limitations for Private VLANs, page 42

•Configuring a Private VLAN, page 42

•Verifying the Private VLAN Configuration, page 47

Information About Private VLANs

A private VLAN (PVLAN) partitions the Ethernet broadcast domain of a VLAN into subdomains, allowing you to isolate the ports on the switch from each other. A subdomain consists of a primary VLAN and one or more secondary VLANs (see the following figure). All VLANs in a PVLAN domain share the same primary VLAN. The secondary VLAN ID differentiates one subdomain from another. The secondary VLANs may either be isolated VLANs or community VLANs. A host on an isolated VLAN can only communicate with

Cisco Nexus 3000 NX-OS Layer 2 Switching Configuration Guide, Release 5.0(3)U3(1)

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