Configuring Private Vlans; Information About Private Vlans - Cisco nexus 5000 series Configuration Manual

Configuring Private VLANs

This chapter contains the following sections:
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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 can
either be isolated VLANs or community VLANs. A host on an isolated VLAN can communicate only with
OL-25842-01
Information About Private VLANs, page 51
Guidelines and Limitations for Private VLANs, page 56
Configuring a Private VLAN, page 57
Verifying the Private VLAN Configuration, page 67
Cisco Nexus 5000 Series NX-OS Layer 2 Switching Configuration Guide, Release 5.1(3)N1(1)
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