3Com 3C63100-AC-C - PathBuilder S600 Bridge/router Reference Manual page 148

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To configure source protocol filtering, follow these steps:
1 From the Bridge menu, select [2] Source Protocol Filtering to display the Source
Protocol Filter menu, shown in Figure 111.
Figure 111 Source Protocol Filter Menu
The current statuses of the source protocol filters are listed at the top of the menu.
Yes indicates that packets with that protocol will be rejected. No indicates that
packets with that protocol will be transmitted across the bridge.
2 Change the filter settings as desired by entering the number corresponding to the
filter you want to set and responding to the prompt that appears at the bottom of
the screen. The list at the top of the menu is updated to reflect your change.
For example, if you want to configure an IP filter, select [1] Set Filter IP. The
following prompt appears at the bottom of the screen:
Enter Filter IP (1=No, 2=Yes):
Enter [2] to configure an IP filter; the bridge will reject packets with IP (Internet
Protocol).
3 Select [3] Previous Menu to return to the Bridge menu.
4 Select [1] Setup to display the Bridge Setup menu, shown in Figure 112. This menu
allows you to enable or disable the filters you have configured.
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