Linux路由表異常？

route -n顯示路由表如下所示
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
10.10.51.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0
169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 eth0
0.0.0.0 10.10.51.1 0.0.0.0 UG 0 0 0 eth0

169這條路由記錄是怎麼回事？

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169.254.0.0/16 - This is the "link local" block. It is allocated for communication between hosts on a single link. Hosts obtain these addresses by auto-configuration, such as when a DHCP server may not be found.
http://www.faqs.org/rfcs/rfc3330.html

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