3Com 3C63311 Reference Guide - Page 128

116 CHAPTER 4: CONFIGURING PATHBUILDER S330/S310 MODULES, PORTS, AND APPLICATIONS Figure 88 Bridge Setup Menu 5 Select [1] Set Source Protocol Filter. The following prompt appears at the bottom of the screen: Enter Source Protocol Filter (1=Disable, 2=Enable) 6 Enter 2 to enable the source protocol filter. Configuring Source Address Filtering Source address filtering allows the bridge to prevent packets containing a specific source address from traversing the bridge. You can use source address filtering to prevent some stations from transmitting on the ATM WAN link. This type of filtering is useful for preventing specific stations in a common protocol group on the Ethernet LAN from transmitting bursty and useless network data across the bridge and onto the WAN.