Dell Force10 S25-01-GE-24T FTOS 8.4.2.6 Command Line Reference Guide for the E - Page 1157
Private VLAN (PVLAN), Overview, Commands, Private VLAN Concepts
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46 Private VLAN (PVLAN) Overview Starting with FTOS 7.8.1.0, the Private VLAN (PVLAN) feature of FTOS is available for the C-Series and S-Series: c s Commands • ip local-proxy-arp • private-vlan mode • private-vlan mapping secondary-vlan • show interfaces private-vlan • show vlan private-vlan • show vlan private-vlan mapping • switchport mode private-vlan See also the following commands. The command output is augmented in FTOS 7.8.1.0 to provide PVLAN data: • show arp in Chapter 25, IPv4 Routing • show vlan in Chapter 31, Layer 2 Private VLANs extend the FTOS security suite by providing Layer 2 isolation between ports within the same private VLAN. A private VLAN partitions a traditional VLAN into subdomains identified by a primary and secondary VLAN pair. The FTOS private VLAN implementation is based on RFC 3069. Private VLAN Concepts Primary VLAN: The primary VLAN is the base VLAN and can have multiple secondary VLANs. There are two types of secondary VLAN - community VLAN and isolated VLAN: • A primary VLAN can have any number of community VLANs and isolated VLANs. • Private VLANs block all traffic to isolated ports except traffic from promiscuous ports. Traffic received from an isolated port is forwarded only to promiscuous ports or trunk ports. Private VLAN (PVLAN) | 1157
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