故障现象：
Bringing up interface eth0：bnx2：Can't load firmware file “bnx2/bnx2-mips-09-6.2.1b.fw”
SIOCSIFFLAGS:No such file or directory
Failed to bring up eth0 [FAILED]
解决办法：
[root@ezcloud ~]# cd /lib/firmware/bnx2
[root@ezcloud bnx2]# ls
bnx2-mips-06-5.0.0.j6.fw bnx2-mips-09-5.0.0.j3.fw bnx2-rv2p-06-6.0.15.fw
bnx2-mips-06-6.0.15.fw bnx2-mips-09-6.0.17.fw bnx2-rv2p-09-5.0.0.j10.fw
bnx2-mips-06-6.2.1.fw bnx2-mips-09-6.2.1a.fw bnx2-rv2p-09-6.0.17.fw
bnx2-mips-06-6.2.3.fw bnx2-rv2p-09ax-5.0.0.j10.fw
bnx2-mips-09-5.0.0.j15.fw bnx2-rv2p-06-5.0.0.j3.fw bnx2-rv2p-09ax-6.0.17.fw
[root@ezcloud bnx2]# cp bnx2-mips-09-6.2.1a.fw bnx2-mips-09-6.2.1n.fw
[root@ezcloud bnx2]# service network restart