arp and /etc/ethers

[peasthope@shaw.ca]

root@dalton:~# arp
Address                  HWtype  HWaddress           Flags Mask            Iface
cantor.invalid           ether   00:20:af:07:85:43   C                     LocACS29H400713
142.103.107.254          ether   00:1e:f6:e6:00:00   C                     eth0

root@dalton:~# cat /etc/ethers
# <Ethernet address> (<ip address>|<name>)
08:00:20:0E:84:78  172.24.2.2

root@dalton:~# arp -f /etc/ethers

root@dalton:~# arp
Address                  HWtype  HWaddress           Flags Mask            Iface
cantor.invalid           ether   00:20:af:07:85:43   C                     LocACS29H400713
carnot.invalid           ether   08:00:20:0e:84:78   CM                    LocBelkin
142.103.107.254          ether   00:1e:f6:e6:00:00   C                     eth0

'man arp' has no mention of a configuration file.  How should 
arp reference /etc/ethers automatically at startup?  

Thanks,           ... Peter E.

-- 
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