Operate and maintain
Documents under this category provide functional descriptions and information for configuring, operating, and maintaining 7705 SAR-Hm series routers.
- Interface Configuration Guide
  This document provides conceptual information as well as command line interface (CLI) syntax and command descriptions for interfaces and functionality that is specifically related to 7705 SAR-Hm series routers.
- Main Configuration Guide
  This document describes the operation of the routers. It provides conceptual information and well as command line interface (CLI) syntax and command descriptions for functionality that is specifically related to 7705 SAR-Hm series routers.

Secure Boot chain

The Secure Boot chain of trust for SR OS platforms can be visualized with the following diagram.

The software images part of the Secure Boot chain varies among SR OS platforms. This list of software images per platform includes the Boot Loader, boot.ldr or ∕EFI∕BOOT∕ and installer images, and the SR OS *.tim software images.

The software images part of the Secure Boot chain vary between SR OS platforms. This list of software images per platform includes the Boot Loader, boot.ldr or ∕EFI∕BOOT∕ and installer images, and the SR OS *.tim software images.

November 6, 2025