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VLAN Configuration
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• Community VLAN – A community VLAN conveys traffic between community
ports, and from community ports to their designated promiscuous ports. Set
PVLAN Port Type to “Host,” and then specify the associated Community VLAN.
• Isolated VLAN – Conveys traffic only between the VLAN’s isolated ports and the
promiscuous port. Traffic between isolated ports within the VLAN is blocked. Set
the PVLAN Port Type to “Host,” then specify an isolated VLAN by marking the
check box for an “Isolated VLAN,” and selecting the required VLAN from the
drop-down box.
Web – Click VLAN, Private VLAN, Port Configuration or Trunk Configuration. Set the
PVLAN Port Type for each port that will join a private VLAN. Assign promiscuous
ports to a primary or isolated VLAN. Assign host ports to a community or isolated
VLAN. After all the ports have been configured, click Apply.
Figure 3-87 Private VLAN Port Configuration
CLI – This example shows the switch configured with primary VLAN 5 and
secondary VLAN 6. Port 3 has been configured as a promiscuous port and mapped
to VLAN 5, while ports 4 and 5 have been configured as a host ports and associated
with VLAN 6. This means that traffic for port 4 and 5 can only pass through port 3.
Console(config)#interface ethernet 1/3Console(config-if)#switchport mode
private-vlan promiscuous 4-191
Console(config-if)#switchport private-vlan mapping 5 4-193
Console(config-if)#exit
Console(config)#interface ethernet 1/4
Console(config-if)#switchport mode private-vlan host 4-191
Console(config-if)#switchport private-vlan host-association 6 4-191
Console(config-if)#exit
Console(config)#interface ethernet 1/5
Console(config-if)#switchport mode private-vlan host
Console(config-if)#switchport private-vlan host-association 6
Console(config-if)#