C H A P T E R
9-1
Cisco 1120 Connected Grid Router Hardware Installation Guide
OL-26438-02
9
Using the SD Flash Memory Module
This chapter describes the Secure Digital (SD) flash memory module (or SD card) that is used with the
Cisco 1120 Connected Grid Router, and includes instructions for installing and removing the SD card.
This chapter contains the following sections:
•
SD Card Overview, page 9-1
•
Supported SD Cards, page 9-2
•
Inserting the SD Card, page 9-2
•
SD Card Status, page 9-5
•
Related Commands, page 9-6
SD Card Overview
The router features an SD card connector, which supports a single Cisco SD card. The SD card stores
router data and software, including:
•
Router operating software
•
Running configurations
•
Network management software configuration
•
Network registration data
•
Router firmware
•
Billing data
•
Outage data
•
Event data
SD Card File System
The SD card uses a Linux-based EXT2/3 file system. The router configuration is stored in a binary file
in an invisible partition on the card.
Sharing SD Cards Across Systems
The card cannot be used to configure or operate any system other than the system with which is it
shipped.