Black Box LRA005A-R2 - Manual (Page 154)

ASYNC ROUTER AR-P, AR-5, AND SYNC ROUTER REFERENCE MANUAL
154
1.7.5 IPX F ILTER E XAMPLES
NetBios packets are broadcasted constantly from NetBios hosts, often raising the link on a Router
enough to incur unnecessary phone charges. The following filter blocks NetBios packets (destination
any.any.455) on all interfaces.
(ipx)kansas> filter add -d 0.0.455 -t deny
To block these packets on a single interface, like modem0, enter:
(ipx)kansas> filter add -i modem0 -d 0.0.455 -t deny