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Configuration:
Switch# private 1
Switch(privatevlan-1)# vlan 2 6 2
Switch(privatevlan-1)# isolate 1-2
Switch(privatevlan-1)# community 1 3-4
Switch(privatevlan-1)# community 2 5-6
Switch(privatevlan-1)# promiscuous 7-9
Switch(privatevlan-1)# enable
Switch# show privatevlan 1#
Private vlan group: 1
Status: active
Max vlan number: 6
Min vlan number: 2
Primary vlan number: 2
Promiscuous port: 7 8 9
Isolate port: 1 2
Community 1 port: 3 4
Community 2 port: 5 6
Possible reasons if not working:
1、Min-vlanid is bigger than max-vlanid;
2、Primary-vlanid is not in the range of min-vlanid - max-vlanid;
3、The value (VLAN range) of max-vlanid minus min-vlanid is bigger than 26;
4、One or more VLANs in the VLAN range are already owned by normal VLANs;
5、There is overlapping in the VLAN ranges between the VLAN group being configured and
other groups;
6、If the VLAN group is active, its configuration can't be changed;
7、 The VLAN range is too small, i.e., the total number VLANs in the range is less than the sum of
No. separated ports + No. shared port groups + 1, as mentioned before;
8、No promiscuous port in the group;
9、Neither separated port nor shared port group exists in the group;
***enter PRIVATE VLAN mode
***the VLAN range and the primary VLAN
***separated ports
***shared port group
***shared port group
*** promiscuous ports
***activation
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