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4 ip address filter, Ip address filter – Maxim Integrated 78Q8430 ARM9(920T) Linux Driver Diagnostic Guide User Manual

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78Q8430 ARM9(920T) Linux Driver Diagnostic Guide

UG_8430_003

16

Rev.

1.1

4.5.4 IP Address Filter

1. Enter the command: 8430-tool eth0 -r debug 0x00000000
2. Enter the command: 8430-tool eth0 -r debug 0x0003C000
3. Enter the command: 8430-tool eth0 -T on
4. On the Linux Host, define and ping a nonexistent IP address:

a. arp -s 192.168.10.98 00:01:02:03:04:05
b. ping 192.168.10.98

5. Verify that the 78Q8430 is dropping these packets; the following messages should be seen:

toe_xmit: eth0: ICMP Addr: 0x6214A8C0, local addr: 0x6314A8C0.
toe_xmit: eth0: ICMP Addr Mismatch: Dropping!

6. On the Linux Host, enter: ping 192.168.10.99
7. Verify that the 78Q8430 is responding normally.