SMC Networks 7724M/VSW - annexe 1, Manual

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Management Guide CLI
TigerAccess™ EE
SMC7824M/VSW 205
7.7 NetBIOS Filtering
NetBIOS (Network Basic Input/Output System) is a program that allows applications on
different computers to communicate within a local area network (LAN). NetBIOS is used
in Ethernet, included as part of NetBIOS Extended User Interface (NetBEUI). Resource
and information in the same network can be shared with this protocol.
But the more computers are used recently, the more strong security is required. To secure
individual customer’s information and prevent information leakages in the LAN environ-
men, the switch provides NetBIOS filtering function.
Without NetBIOS filtering, customer’s data may be opened to each other even though the
data should be kept. To keep customer’s information and prevent sharing information in
the above case, NetBIOS filtering is necessary.
Internet
Information Shared
Needs to prevent sharing
information between customers
LAN environment for Internet Service
Fig. 7.14 NetBIOS Filtering
To enable/disable NetBIOS filtering, use the following command.
Command Mode Description
netbios-filter PORTS Configures NetBIOS filtering to a specified port.
no netbios-filter PORTS
Bridge
Disables NetBIOS filtering from a specified port.
To display a configuration of NetBIOS filtering, use the following command.
Command Mode Description
show netbios-filter
Enable
Global
Bridge Shows a configuration of NetBIOS filtering.