Hitachi GR2000 Series - Manual (Page 311)

Software updating
GR2K-GA-0015 9-3
Ver. 07-02
9.2 Operation after updating
The measures to be taken for representative troubles are described below that have
occurred during software updating of the router. See the Installation Guide for other
troubleshooting and their remedies.
9.2.1 The Router does not Start
1. Re-install software.
2. If the configuration information before update is backed up, copy the
configuration information from backup. If not, re-create it after the router starts.
3. Restart the router.
9.2.2 The Router Starts does not Operate Normally, While Starting
1. If you modify the configuration information or add/move the router when
upgrading the software, check the modification and the router added/moved.
Check the configuration information and router configuration according to the
manual for the software.