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VLAN Moves 5-9
Automatic VLAN Moves Based on Policies
In addition to the manual VLAN Move method above, devices can be
setup to automatically configure themselves into VLANs based on
policies. Using this method, ports automatically move between VLANs.
The changes are dynamically reflected in the VLAN maps. Policy-based
VLAN Auto-configuration is described in detail in Chapter 4.
Moving Ports
Between
Protocol-based VLANs
The VLAN Move method described in “Moving Ethernet Segments
Between VLANs” on page 5-1 also works for moving ports between
protocol-based VLANs in the CoreBuilder 2500 with one important
difference. When the source and destination VLAN are not of the same
protocol type, the port will belong to both source and destination VLAN
after the move is complete. It is moved to the destination VLAN but not
removed from the source VLAN. This behavior takes into account the
possibility that one port can belong to several protocol-based VLANs as
long as they are of different types (two different IP VLANs are considered
to be different types). On the other hand, if the source and destination
VLANs are of the same type, the port will be deleted from the source
VLAN.
Removing a Port from a Protocol-based VLAN
In the event that a port is not removed from a source VLAN subsequent
to a VLAN Move operation, it can be removed by performing the
following:
1 Select the segment(s) to be removed from the source VLAN window.
2 Select the ATMvLAN Move from the ATMvLAN menu.
3 When the VLAN Create window appears select the protocol type
“None.”
For each segment that was selected, a list of VLANs that the segment
belongs to is displayed.
4 For each segment, select the VLANs from which the segment is to be
removed.
A list of all segments to be removed is displayed in the VLAN Move
window.
5 Press Apply on the VLAN Move window.
The segments are removed from the VLANs.