Saturday, February 20, 2016

Virtual LANs

Database Configuration


vlans 1-1005
vlan.dat on Flash

Configuration


#vlan database
vlan# vlan 21
vlan# show current (shows applied vlans)
vlan# show proposed (shows vlans waiting to be applied)
vlan# [apply|abort|reset]

config-if# switchpost access vlan 1

Private VLANs


single subnet on a VLAN with each port acting like a different VLAN

Primary


Can talk with everyone in the primary and everyone in the secondary

Secondary


Community - can talk with the primary and some ports in the same secondary community
Isolated - can only talk with the primary

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