Specifications

Switching 8-23
Software Release 2.7.3
C613-03098-00 REV A
Figure 8-4: Example network configuration using private VLANs
Membership Rules for Private VLANs
Each private VLAN:
• Must contain one uplink port or uplink trunk group
• May contain multiple private ports
• Cannot contain any non-private ports
• Cannot be the Default VLAN (vlan1)
Each private port:
• Can be a member of multiple private VLANs
• Cannot be a private port in some VLANs and a non-private port in
other VLANs
• Cannot be an uplink port in another VLAN
Each uplink port:
• Can be a member of multiple private VLANs
• Cannot be a member of both private and non-private VLANs
Each private or uplink port:
• May be tagged or untagged but can only be an untagged member of one
port-based VLAN
• May be trunked with other ports of the same type
ISP 1
VLANs 2 and 3
ISP 2
VLANs 11 and 12
Uplink
(trunk group)
Uplink
private group
(may be a
trunk group)
Customer 3
VLANs 2 and 3
ISP 1
Customer 2
VLANs 2, 3 and 11
ISPs 1 and 2
Customer 1
VLAN 12
ISP 2
private
port
private
port
1
23
4
5
6
7
8
17
18 19
20
21
22
23
24
25
private-vlan