Re: proxy arp on 6.1

Stephen Clark wrote:

Hello List,

I must be doing something wrong. I can't seem to get proxy arp to work. Is there some
magic.

I have the following setup isp router 205.x.x.1 <-> 205.x.x.100/25 rl1 freebsd vr0 205.x.x.129/25
<-> 205.x.x.193/25
arp -an
(205.x.x.1) at 00:13:7f:5a:b5:50 on rl1 [ethernet]
(205.x.x.193) at 00:30:18:a3:44:2d on vr0 permanent published (proxy only) [ethernet]

tcpdump
13:09:51.386793 arp who-has 205.x.x.193 tell 205.x.x.1

but there is no arp-reply from freebsd.

rl1: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
options=8<VLAN_MTU>
inet 205.x.x.100 netmask 0xffffff80 broadcast 205.x.x.127
ether 00:30:18:a3:47:a4
media: Ethernet autoselect (100baseTX <full-duplex>)
status: active




Hi List,

I am looking at if_ether.c on current 6.2 and it looks to me like
net.link.ether.inet.proxyall has to be set to 1 for proxy arp to
work. Am I reading this correctly? If so this is misleading based on
the description of this sysctl in man 4 arp.

Also is anybody using proxy arp?

Thanks,
Steve

--

"They that give up essential liberty to obtain temporary safety, deserve neither liberty nor safety." (Ben Franklin)

"The course of history shows that as a government grows, liberty decreases." (Thomas Jefferson)



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