VLAN
V
irtual L
ocal A
rea N
etwork
- VLAN's for various utility purposes
"...it is common practice to isolate server-to-server traffic from client-server traffic and to isolate administration/management traffic (channels used for inbound management of appliances and servers). Another standard configuration option is to create a "null" VLAN that is non-routable to the rest of the network. This VLAN is used for any physical ports that do not have authorized connected equipment."
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