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10–14 MULTILINK ML1600 ETHERNET COMMUNICATIONS SWITCH – INSTRUCTION MANUAL
CONFIGURING TAG VLANS THROUGH THE COMMAND LINE INTERFACE CHAPTER 10: VLAN
To move Management Control on any VLAN:
add id=<vlan Id> [name=<vlan name>] port=<number|list|range>
[Forbid=<number|list|range>][<mgt|nomgt>]
To enable or disable Management Control on any VLAN:
edit id=<vlan Id>[name=<vlan name>][port=<number|list|range>[<mgt|nomgt>]
10.4.3 Example
In the following example, we start with Port VLAN and convert to TAG VLAN. We define
ports 14 through 16 to belong to VLANs 10, 20 and 30 and the rest of the ports belong to
the default VLAN (in this case, VLAN 1). Filtering is enabled on ports 14-16. The VLAN setup
is done before devices are plugged into ports 14-16 as a result the status of the ports show
the port status as DOWN.
1. A word of caution - when Tag VLAN filtering is enabled, there can be serious
connectivity repercussions - the only way to recover from that it is to reload
the switch without saving the configuration or by modifying the configuration
from the console (serial) port.
2. There can be either Tag VLAN or Port VLAN. Both VLANs cannot co-exit at the
same time.
3. There can only be one default VLAN for the switch. The default is set to VLAN 1
and can be changed to another VLAN. A word of caution on changing the
default VLAN as well - there can be repercussions on MGMNT as well as
multicast and other issues.
4. Tag VLAN support VLAN ids from 1 to 4096. VLAN ids more than 2048 are
reserved for specific purposes and it is recommended they not be used.