I am slammed with work at this moment - so I do not have time for a narrative on your excellent point/question - but I did want to forward along an EXAMPLE CONFIG, which most of the docs lack....
Set VTP mode to transparent
Switch(config)# vtp mode transparent
Create the secondary VLANs
Switch(config)# vlan 10
Swtich(config-vlan)# private-vlan community
Swtich(config-vlan)# vlan 20
Swtich(config-vlan)# private-vlan isolated
Create the primary VLAN associate the secondary VLANs
Switch(config)# vlan 100
Swtich(config-vlan)# private vlan primary
Swtich(config-vlan)# private-vlan association 10,20
Configure interfaces for isolated or community ports
Switch(config)# interface fastethernet 1/1
Switch(config-if)# switchport private-vlan host-association 100 10
Configure the promiscuous port
Switch(config)# interface fastethernet 2/1
Switch(config-if)# switchport mode private-vlan promiscuous
Switch(config-if)# switchport private-vlan mapping 100 10,20
Anthony J. Sequeira
#15626
-----Original Message-----
From: nobody@xxxxxxxxxxxxxx [mailto:nobody@xxxxxxxxxxxxxx] On Behalf Of Jeffrey Biggs
Sent: Friday, June 01, 2007 1:47 PM
To: ccielab@xxxxxxxxxxxxxx
Subject: Private VLAN's......
Looking for an easy to understand/follow configuration guide for private
vlans. The Cisco website is a bit hard to follow and doesn't seem to
explain it clearly. Maybe I am just on the slow side on this subject, but
I want to truly understand this technology.
Thanks,
JB
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