Allied Telesis AT-S39 - Manual (Page 147)

Section II: Local and Telnet Management
147
Specifying a Management VLAN
In order for you to remotely manage an AT-8300 Series Switch, there
must exist a communications path through which the management
station and the switch to be manage can communicate. If the
management station is connected directly to a port on the switch, either
through a tagged or untagged port, then the communications path
automatically exists and you can fully manage the switch.
However, if there is one or more intermediate Ethernet switches
between the management station and the switch to be managed, then
it may be necessary for you to manually create a communications path.
This is accomplished by specifying a management VLAN.
The management VLAN is the VLAN through which a remote
management station communicates with a managed switch. By default,
the management VLAN is the Default_VLAN. If you do not create any
new VLANs in your network and if your AT-8000 Series Switches are
interconnected with either tagged or untagged ports, then you will not
need to create or specify a new management VLAN.
However, if you do create additional VLANs in your network, then you
might need to change a management VLAN. Below are several rules to
observe when using this feature:
❑ The management VLAN must exist on each AT-8000 Series switch
that you want to manage.
❑ Using the following procedure, you must specify the
management VLAN in the AT-S39 software on each slave and
master switch of an enhanced stack.
❑ The uplink and downlink ports on each switch that are
functioning as the tagged or untagged data links between the
switches must be either tagged or untagged members of the
management VLAN.
❑ The port on the switch to which the management station is
connected must be a member of the management VLAN. (This
rule does not apply when managing the switch locally through
the RS232 Terminal Port.)
Here is an example. Let’s assume that you have an enhanced stack of
seven AT-S39 Series switches with one master switch. If the uplink and
downlink ports between the various switches are members of the
Default_VLAN and if the management station is connected to a port of
the Default_VLAN, you will be able to manage all the switches since the
Default_VLAN is by default the management VLAN.