Alcatel OmniSwitch 6624 Network Configuration Manual page 121

Assigning Ports to VLANs
Configured Default
VLAN 1
Port assigned to default VLAN 1
or another VLAN using the
vlan port default
If restore default VLAN is enabled....
Configured Default Secondary
VLAN 1
VLAN 2
VLAN 2 and VLAN 3 assign-
ments are dropped from the port
when port device traffic ages out
of the forwarding database
(switch MAC address table).
Why enable restore default VLAN?
Security. VLANs only contain mobile port
traffic that has recently matched rule criteria.
VPAs created from occasional network users
(e.g., laptop) are not unnecessarily retained.
OmniSwitch 6624/6648 Network Configuration Guide
OmniSwitch
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OmniSwitch 6648
command.
OmniSwitch
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Secondary
VLAN 3
How Mobile Port VLAN Assignments Age
Understanding Mobile Port Properties
Secondary
Configured Default
VLAN 1
Port is assigned to other VLANs
when its traffic matches their criteria.
If restore default VLAN is disabled....
Configured Default Secondary
VLAN 1 VLAN 2
VLAN 2 and VLAN 3 assignments
are retained for the port when port
device traffic ages out of the for-
warding database (switch MAC
address table).
Why disable restore default VLAN?
VPAs are retained even when port traffic is
idle for some time. When traffic resumes, it is
not necessary to relearn the same VPA again.
Appropriate for devices that only send occa-
sional traffic.
April 2004
OmniSwitch
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VLAN 2
Secondary
VLAN 3
OmniSwitch
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Secondary
VLAN 3
page 6-15