D-Link DWS-3227P - xStack Switch - Stackable Instrukcja Użytkownika Pobierz pdf (Strona 11)

Semaphore Technologies Pvt. Ltd. – (technolo[email protected]om)

only one VTP management domain. Switches in different domains do not share VTP

information.

Using VTP, each Catalyst Family Switch advertises the following on its trunk ports:

* Management domain

* Configuration revision number

* Known VLANs and their specific parameters

Establishing VLAN memberships

The two common approaches to assigning VLAN membership are as follows:

* Static VLANs

* Dynamic VLANs

Static VLANs are also referred to as port-based VLANs. Static VLAN assignments are

created by assigning ports to a VLAN. As a device enters the network, the device

automatically assumes the VLAN of the port. If the user changes ports and needs

access to the same VLAN, the network administrator must manually make a port-to-

VLAN assignment for the new connection.

Dynamic VLANs are created through the use of software packages such as Cisco

Works 2000. With a VLAN Management Policy Server VMPS, an administrator can

assign switch ports to VLANs dynamically based on information such as the source

MAC address of the device connected to the port or the username used to log onto

that device. As a device enters the network, the device queries a database for VLAN

membership. See also FreeNAC which implements a VMPS server.

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D-Link DWS-3227P - xStack Switch - Stackable Instrukcja Użytkownika Strona 11