How to mount CIFS share in %post script during Kickstart Installation of RHEL6?

Issue

• Not able to mount CIFS share mentioned in %post script in kickstart file.
• mount command fails out with following error message

mount.cifs kernel mount options: ip=aa.bb.cc.dd,unc=\\aa.bb.cc.dd\linux_share,guest,ver=1,user=,pass=********
mount error(2): No such file or directory
Refer to the mount.cifs(8) manual page (e.g. man mount.cifs)