??????????????????????????β??????????????????
[root@rac01 ~]# ifconfig
eth0      Link encap:Ethernet  HWaddr 00:50:56:95:09:76
inet addr:10.109.67.81  Bcast:10.109.67.255  Mask:255.255.255.0
inet6 addr: fe80::250:56ff:fe95:976/64 Scope:Link
UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
RX packets:985 errors:0 dropped:0 overruns:0 frame:0
TX packets:61 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:74395 (72.6 KiB)  TX bytes:6527 (6.3 KiB)
????3??????eth0???????????????????eth1????????eth0???
[root@rac01 ~]# ifconfig
eth1      Link encap:Ethernet  HWaddr 00:50:56:95:09:76
inet addr:10.10.10.110 Bcast:10.10.10.111  Mask:255.255.255.0
inet6 addr: fe80::250:56ff:fe95:976/64 Scope:Link
UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
RX packets:830 errors:0 dropped:0 overruns:0 frame:0
TX packets:57 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:63700 (62.2 KiB)  TX bytes:6259 (6.1 KiB)
eth2      Link encap:Ethernet  HWaddr 00:0C:29:1E:F6:B7
inet addr:10.10.10.120  Bcast:10.10.10.111Mask:255.255.255.0
inet6 addr: fe80::20c:29ff:fe1e:f6b7/64 Scope:Link
UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
RX packets:777 errors:0 dropped:0 overruns:0 frame:0
TX packets:11 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:54938 (53.6 KiB)  TX bytes:746 (746.0 b)
?????????????
?????2???????????????????????70-persistent-net.rules????????????MAC??????????????????????????????????????????????RedHat?????????????????????0?????????
??????????????????
????[root@rac01 ~]# mv /etc/udev/rules.d/70-persistent-net.rules /etc/udev/rules.d/7
????0-persistent-net.rules.bak
????[root@rac01 ~]# reboot
??????β????????????eht0???
[root@rac01 ~]# ifconfig
eth0      Link encap:Ethernet  HWaddr 00:50:56:95:09:76
inet addr:10.109.67.81  Bcast:10.109.67.255  Mask:255.255.255.0
inet6 addr: fe80::250:56ff:fe95:976/64 Scope:Link
UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
RX packets:206 errors:0 dropped:0 overruns:0 frame:0
TX packets:68 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:19282 (18.8 KiB)  TX bytes:7215 (7.0 KiB)
eth1      Link encap:Ethernet  HWaddr 00:0C:29:1E:F6:B7
inet addr:10.109.67.83  Bcast:10.109.67.255  Mask:255.255.255.0
inet6 addr: fe80::20c:29ff:fe1e:f6b7/64 Scope:Link
UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
RX packets:131 errors:0 dropped:0 overruns:0 frame:0
TX packets:11 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:8736 (8.5 KiB)  TX bytes:746 (746.0 b)