SRX branch 升级窍门 

cd /cf/var/tmp 别的地方貌似空间不够 

root> request system software add junos-srxsme-12.1R2.9-domestic.tgz no-validate no-copy  ##加快升级速度

Formatting alternate root (/dev/da0s1a)...

/dev/da0s1a: 296.9MB (607996 sectors) block size 16384, fragment size 2048

using 4 cylinder groups of 74.22MB, 4750 blks, 9600 inodes.

super-block backups (for fsck -b #) at:

32, 152032, 304032, 456032

Extracting /cf/var/tmp/junos-srxsme-12.1R2.9-domestic.tgz ...

 

 

然后按提示reboot 

enjoy it！！！