ZyXEL Communications P-2302HWDL-P1 Support Notes page 28

Action Not Matched= Forward
Press ENTER to Confirm or ESC to Cancel:
Key Settings:
Source IP addr................Enter the IP address of the computer you want to block in this field
IP Mask..........................Enter the IP subnet mask bits in this field. For example, to block only one computer,
enter 255.255.255.255.
Action Matched................Select 'Drop' to discard all the packets from this computer
Action Not Matched.........Select 'Forward' to allow the packets from other computers.
3. After you have configure the filter rule, you can apply this filter set in the (by entering "1＂) in the
Protocol Filter Set' field for remote node setup.
A filter to block a specific MAC address
This configuration example shows you how to use a Generic Filter to block packets with a specific MAC
address on the LAN.
Before you Begin
Before you configure the filter, you need to know the MAC address of the computer first. Check the MAC
address of the network card on the computer (for example, you can use the "ipconfig –all＂ command or
check the system hardware information). Also, you can use packet trace on the Prestige to identify packets with
the specified MAC address. The following figure shows a packet trace example.
ras> sys trcp channel enet0 bothway
ras> sys trcp sw on
Now a client on the LAN is trying to ping Prestige.........
ras> sys trcp sw off
ras> sys trcp disp
TIME: 37c060 enet0-RECV len:74 call=0
0000: [00 a0 c5 01 23 45]
0010: 00 3c eb 0c 00 00 20 01 e3 ea ca 84 9b 5d ca 84
[00 80 c8 4c ea 63]
All contents copyright (c) 2005 ZyXEL Communications Corporation.
Prestige 2302 Support Notes
08 00 45 00
'Output
28