1(8a)EX,
12.1(11b)E1
Yes N/A Yes
Catalyst
5500/5000
Not Supported ??” ??” ??”
Catalyst
4500/4000??”CatOS
6.2(1) Yes N/A Yes
Catalyst
4500/4000??”Cisco
IOS
12.1(8a)EW Yes N/A 12.2(20)EW
Catalyst 3750 12.2(20)SE??”EMI Yes 12.1(11)AX Yes
Catalyst 3750
Metro
12.1(14)AX No Yes No
Platform Software Version Isolated VLAN PVLAN Edge
(Protected
Port)
Community
VLAN
Catalyst 3560 12.2(20)SE??”EMI Yes 12.1(19)EA1 Yes
Catalyst 3550 12.1(4)EA1 No Yes Not Currently
Supported
Catalyst 2970 12.1(11)AX No Yes No
Catalyst 2955 12.1(6)EA2 No Yes No
Catalyst 2950 12.0(5.2)WC1,
12.1(4)EA1
No Yes Not Currently
Supported
Catalyst
2900XL/3500XL
12.0(5)XU (on 8MB
switches only)
No Yes No
Catalyst 2948G-L3
/ 4908G-L3
Not Supported ??” ??” ??”
Catalyst
2948G/2980G
6.2 Yes N/A Yes
Catalyst 2940 12.1(13)AY No Yes No
Catalyst 1900 Not Supported ??” ??” ??”
The list that follows describes three types of PVLAN ports, as shown in Figure 4-1a:
Promiscuous: A promiscuous port can communicate with all interfaces, including the isolated and
community ports within a PVLAN. The function of the promiscuous port is to move traffic between ports in
community or isolated VLANs. It can use access lists to identify which traffic can pass between these
VLANs.
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