224.0.0.0表示什么意思？

phpasp

aa1>netstat -nr

Routing Table: IPv4
Destination Gateway Flags Ref Use Interface
-------------------- -------------------- ----- ----- ------ ---------
10.228.210.0 10.228.210.1 U 1 4 eri0
192.168.1.0 192.168.1.100 U 1 8 ce0
192.168.2.0 192.168.2.100 U 1 26 ce1
224.0.0.0 10.228.210.1 U 1 0 eri0
default 10.228.210.62 UG 1 0
127.0.0.1 127.0.0.1 UH 30 7313 lo0
aa1>

aa1>ifconfig -a
lo0: flags=1000849<UP,LOOPBACK,RUNNING,MULTICAST,IPv4> mtu 8232 index 1
inet 127.0.0.1 netmask ff000000
ce0: flags=1000843<UP,BROADCAST,RUNNING,MULTICAST,IPv4> mtu 1500 index 2
inet 192.168.1.100 netmask ffffff00 broadcast 192.168.1.255
ether 0:3:ba:f2:9f:9a
ce1: flags=1000843<UP,BROADCAST,RUNNING,MULTICAST,IPv4> mtu 1500 index 3
inet 192.168.2.100 netmask ffffff00 broadcast 192.168.2.255
ether 0:3:ba:f2:9f:9a
eri0: flags=1000843<UP,BROADCAST,RUNNING,MULTICAST,IPv4> mtu 1500 index 4
inet 10.228.210.1 netmask ffffffc0 broadcast 10.228.210.63
ether 0:3:ba:f2:9f:9a

请问上面的红色部分224.0.0.0是什么意思呢？

yuhuohu

组播路由，每台机器基本都有，你不用管他，当然如果没有的话就很可能出问题，有基本不会出问题

phpasp

谢谢了