how to display manually set proxy ARP entries with iproute2?

[Christopher Friesen]

This issue was posted on the netdev list a while back and got no answer.

I'm quoting the original post here:

Lutz Pressler wrote:
> 
> Hello,
> 
> I am not able to get information about manually set proxy ARP entries
> with the "ip" tool (iproute2-ss010824), tested on both 2.2.19 and
> 2.4.8-ac7 kernels.
> 
> # ip neigh add proxy 172.20.1.1 dev eth0
> 
> The "arp" tool then yields (normal entries trimmed)
> # arp -n
> Address              HWtype  HWaddress           Flags Mask        Iface
> 192.168.1.254        ether   00:80:C8:F6:47:6F   C                 eth0
> 172.20.1.1           *       *                   MP                eth0
> 
> but "ip" only shows
> # ip neigh show
> 192.168.1.254 dev eth0 lladdr 00:80:c8:f6:47:6f nud reachable
> 
> Is this expected behaviour or a (kernel) bug?

I'd like to know about this as well, since this is the only reason why I keep
the "arp" command around.

Chris

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