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Chapter 31 Private VLAN
XS3900-48F User’s Guide
250
Tagged Private VLANs can span switches but trunking ports must be VLAN-trunking ports - see
Advanced > VLAN Status > VLAN Port Setting.
This is the communication process if primary VLAN P-VLAN 100 is associated with community
VLAN C-VLAN 101 and isolated VLAN I-VLAN 102.
• Promiscuous ports in P-VLAN 100 can communicate with all ports in P-VLAN 100 including
community ports in C-VLAN 101 and isolated ports in I-VLAN 102.
• Community ports in C-VLAN 101 can communicate with promiscuous ports in P-VLAN 100 and
other commuity ports in C-VLAN 101. They cannot communicate with isolated ports in I-VLAN
102.
• Isolated ports can communicate with promiscuous ports in P-VLAN 100. They cannot
communicate with other isolated ports in I-VLAN 102 nor community ports in C-VLAN 101.
C-VLAN 101
Community private VLAN
I-VLAN 102
Isolated private VLAN
Table 114
Spanning PVLAN Graphic Key
LABEL
DESCRIPTION
UP
Uplink promiscuous port
TP
VLAN-trunking ports
S1, S2
Switch 1, Switch 2
P-VLAN 100
Primary private VLAN with VLAN ID tag of 100
C-VLAN 101
Community private VLAN with VLAN ID tag of 101
I-VLAN 102
Isolated private VLAN with VLAN ID tag of 102
Table 113
PVLAN Graphic Key (continued)
LABEL
DESCRIPTION