Messages in this thread | | | Date | Tue, 9 Dec 2003 15:58:47 +0100 | From | Felix von Leitner <> | Subject | /proc/sys/net/ipv4/config/eth0/arp_filter not working? |
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Hi!
I'm having trouble with the Linux kernel answering ARP requests it shouldn't answer.
In particular, I have added the IP 10.0.0.23 to lo using ip from iproute2. On another machine, I have added the IP 10.0.0.23 to eth0 using ip. Now, an ARP request from a third machine is answered by both.
According to the documentation I found, the kernel (2.6.0-test11) should not answer ARP requests for the lo alias if I write 1 to /proc/sys/net/ipv4/config/eth0/arp_filter, and to be on the safe side, I also wrote 1 to /proc/sys/net/ipv4/config/lo/arp_filter. However, the kernel still answers the ARP requests.
Any takers?
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