Hello!
> I did echo 1>/proc/sys/net/ipv4/conf/all/proxy_arp... and I can do host
> proxy arping ok. The problem is with subnet proxy-arping.
If you enabled proxy_arp, you need neither host nor subnet proxy arping more.
It works automatically. Please, check it.
> for. I still don't understand why subnet proxy-arp is "wrong" if regular
> host proxy arping is good enough to leave in...
8) Because maintainers would be congested with blames, if host proxy
arping was removed too. Unfortunately, it is element of BSD API.
But really this observation about status of host proxy arp is
absolutely correct, it is legacy stuff.
> Do you have a cleaner solution?
echo 1>/proc/sys/net/ipv4/conf/all/proxy_arp
It should be enough. BTW my network has very similar configuration 8)8)
Host proxy arp is required in some rare cases (sort of mobile IP),
subnet proxy arp is also useful sometimes (f.e. when routing tables
are deliberately wrong), but all these cases are too special
and require either smart user level support or specific policy rules,
which were not supported by 2.0 proxy arp in any case.
Alexey
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