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[root@ftp]# arp
Address HWtype HWaddress Flags Mask Iface
192.168.0.145 ether 00:13:20:E9:11:04 C eth0
192.168.0.1 ether 00:02:03:18:08:00 C eth0
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[root@ftp]# arp -a
(192.168.0.145) at 00:13:20:E9:11:04 [ether] on eth0
(192.168.0.1) at 00:02:03:18:08:00 [ether] on eth0
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[root@ftp]# echo '192.168.0.1 00:02:03:18:08:00 ' > /etc/ip-mac
[root@ftp]# more /etc/ip-mac
192.168.0.1 00:02:03:18:08:00
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[root@ftp]# echo 'arp -f /etc/ip-mac ' >> /etc/rc.d/rc.local
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[root@ftp]# arp -f /etc/ip-mac
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[root@ftp]# arp
Address HWtype HWaddress Flags Mask Iface
192.168.0.145 ether 00:13:20:E9:11:04 C eth0
192.168.0.1 ether 00:02:03:18:08:00 CM eth0
[root@ftp]# arp -a
(192.168.0.145) at 00:02:B3:A7:85:48 [ether] on eth0
(192.168.0.1) at 00:02:03:18:08:00 [ether] PERM on eth0
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