Boot Options
130
Basic System Configuration Guide
3HE 11010 AAAC TQZZA Edition: 01
5.1 System Initialization
Depending on the chassis, the primary copy of 7705 SAR software is located either
on a removable compact flash card that is shipped with the 7705 SAR router or in the
router on-board flash memory. The compact flash (cf3) contains a copy of the
7705 SAR image, the bootstrap file (boot.ldr), and the boot option file (BOF). The
compact flash can also be used to store configurations and executable images.
These configurations and images can also be stored at an FTP file location.
The following chassis have removable compact flash cards:
• 7705 SAR-8
• 7705 SAR-18
• 7705 SAR-H
• 7705 SAR-M
All other chassis have integrated memory that cannot be removed.
Starting a 7705 SAR begins with hardware initialization (a reset or power cycle). By
default, the system searches the compact flash (cf3) for the boot.ldr file (also known
as the boot loader or bootstrap file). The boot.ldr file is the image that reads and
executes the system initialization commands configured in the BOF. The default
value to initially search for the boot.ldr file on cf3 cannot be modified.
If the system cannot load or cannot find the boot.ldr file on the compact flash
memory device (cf3), the system will reboot continuously in an attempt to
successfully find and load the file. If this happens, the available options depend on
the chassis.
For the 7705 SAR-8 and 7705 SAR-18, there are two options:
• remove the compact flash, connect it to a PC, and download another software
package from OLCS; contact your Nokia support representative for detailed
instructions
• return the faulty CSM to Nokia for replacement
Note: In most cases you must have a console connection in order to access the node when
there is no network connectivity to the node. Some commands can be given to the node
through the ACO/LT button before there is network connectivity. See Automatic Discovery
Protocol. Also refer to the appropriate chassis installation guide, “Automatic Discovery
Protocol”.
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