把Ethernet addresses写入到PROMs有什么优势？

yangtingkung

wuqing

-bash-3.00# ifconfig -a
lo0: flags=2001000849<UP,LOOPBACK,RUNNING,MULTICAST,IPv4,VIRTUAL> mtu 8232 index 1
        inet 127.0.0.1 netmask ff000000
bge0: flags=1000843<UP,BROADCAST,RUNNING,MULTICAST,IPv4> mtu 1500 index 2
        inet 192.168.100.159 netmask ffffff00 broadcast 192.168.100.255
        ether 0:14:4f:72:df:d4
-bash-3.00# hostid
8472dfd4

找到奥秘了吗？

yangtingkung

hostid
8307c408
ifconfig -a
lo0: flags=1000849<UP,LOOPBACK,RUNNING,MULTICAST,IPv4> mtu 8232 index 1
        inet 127.0.0.1 netmask ff000000
ce2: flags=1000843<UP,BROADCAST,RUNNING,MULTICAST,IPv4> mtu 1500 index 2
        inet 10.0.0.235 netmask ffffff00 broadcast 10.0.0.255
        groupname ipmp1
ce2:1: flags=9040843<UP,BROADCAST,RUNNING,MULTICAST,DEPRECATED,IPv4,NOFAILOVER> mtu 1500 index 2
        inet 10.0.0.236 netmask ffffff00 broadcast 10.0.0.255
ce2:2: flags=1040843<UP,BROADCAST,RUNNING,MULTICAST,DEPRECATED,IPv4> mtu 1500 index 2
        inet 10.0.0.251 netmask ffffff00 broadcast 10.0.0.255
ce3: flags=19040843<UP,BROADCAST,RUNNING,MULTICAST,DEPRECATED,IPv4,NOFAILOVER,FAILED> mtu 1500 index 3
        inet 10.0.0.237 netmask ffffff00 broadcast 10.0.0.255
        groupname ipmp1
ce1: flags=1008843<UP,BROADCAST,RUNNING,MULTICAST,PRIVATE,IPv4> mtu 1500 index 4
        inet 172.16.1.1 netmask ffffff80 broadcast 172.16.1.127
ce0: flags=1008843<UP,BROADCAST,RUNNING,MULTICAST,PRIVATE,IPv4> mtu 1500 index 5
        inet 172.16.0.129 netmask ffffff80 broadcast 172.16.0.255
clprivnet0: flags=1009843<UP,BROADCAST,RUNNING,MULTICAST,MULTI_BCAST,PRIVATE,IPv4> mtu 1500 index 6
        inet 172.16.193.1 netmask ffffff00 broadcast 172.16.193.255

  不过我的找不到，而且这个有什么实际意义？

brucewoo

用root用户执行ifconfig -a命令才可以

yangtingkung

# hostid
8307c408

ifconfig -a
lo0: flags=1000849<UP,LOOPBACK,RUNNING,MULTICAST,IPv4> mtu 8232 index 1
        inet 127.0.0.1 netmask ff000000
ce2: flags=1000843<UP,BROADCAST,RUNNING,MULTICAST,IPv4> mtu 1500 index 2
        inet 10.0.0.235 netmask ffffff00 broadcast 10.0.0.255
        groupname ipmp1
        ether 0:3:ba:31:b7:43
ce2:1: flags=9040843<UP,BROADCAST,RUNNING,MULTICAST,DEPRECATED,IPv4,NOFAILOVER> mtu 1500 index 2
        inet 10.0.0.236 netmask ffffff00 broadcast 10.0.0.255
ce2:2: flags=1040843<UP,BROADCAST,RUNNING,MULTICAST,DEPRECATED,IPv4> mtu 1500 index 2
        inet 10.0.0.251 netmask ffffff00 broadcast 10.0.0.255
ce3: flags=19040843<UP,BROADCAST,RUNNING,MULTICAST,DEPRECATED,IPv4,NOFAILOVER,FAILED> mtu 1500 index 3
        inet 10.0.0.237 netmask ffffff00 broadcast 10.0.0.255
        groupname ipmp1
        ether 0:3:ba:43:93:6e
ce1: flags=1008843<UP,BROADCAST,RUNNING,MULTICAST,PRIVATE,IPv4> mtu 1500 index 4
        inet 172.16.1.1 netmask ffffff80 broadcast 172.16.1.127
        ether 0:3:ba:6e:84:57
ce0: flags=1008843<UP,BROADCAST,RUNNING,MULTICAST,PRIVATE,IPv4> mtu 1500 index 5
        inet 172.16.0.129 netmask ffffff80 broadcast 172.16.0.255
        ether 0:3:ba:6e:84:56
clprivnet0: flags=1009843<UP,BROADCAST,RUNNING,MULTICAST,MULTI_BCAST,PRIVATE,IPv4> mtu 1500 index 6
        inet 172.16.193.1 netmask ffffff00 broadcast 172.16.193.255
        ether 0:0:0:0:0:1


   这次是使用的ROOT，但是还是没有找到哪个的MAC和HOSTID相同

   第二，不知道这个MAC和HOSTID相同有什么益处

wuqing

-bash-3.00$ /sbin/ifconfig -a
lo0: flags=2001000849<UP,LOOPBACK,RUNNING,MULTICAST,IPv4,VIRTUAL> mtu 8232 index 1
        inet 127.0.0.1 netmask ff000000
bge0: flags=1000843<UP,BROADCAST,RUNNING,MULTICAST,IPv4> mtu 1500 index 2
        inet 192.168.1.11 netmask ffffff00 broadcast 192.168.1.255
-bash-3.00$ hostname
t1000
-bash-3.00$ hostid
841e3f9c
-bash-3.00$


-bash-3.00$ hostname
couldn't set locale correctly
x4100
-bash-3.00$ /usr/sbin/ping 192.168.1.11
192.168.1.11 is alive
-bash-3.00$ /usr/sbin/arp -a | grep 1.11
e1000g0 192.168.1.11         255.255.255.255       00:14:4f:1e:3f:9c
-bash-3.00$