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SRP500 Product Home Page


This page is intended to pull together links to some commonly requested material relating to the SRP500 series of Cisco Small Business Routers.

Firmware Update

Maintenance Release 3 (MR3) for the SRP520 and Maintenance Release 1 (MR1) for the SRP540 is now available for download on (follow the Download Software link).  It is highly recommended that all customers upgrade their device to these releases.  (Log in as admin/admin to upgrade).

Useful Links product home page (

SRP520 Firmware downloads

SRP540 Firmware downloads

SRP520 Admin Guide

SRP540 Admin Guide

Supported 3G Modem list

Feature Configuration Guides

"Zero Touch" Configuration of SRP540 from USB memory card

SRP Feature Configuration Guide: ADSL Bridge Mode

SRP Guide - XML Provisioning.pdf

SRP Configuration Guide - Site to Site IPSec

SRP500 Configuration Guide - GRE

Running 1.01 code on SRP520W-U products.

Useful Community Threads

SRP500 Documentation

Interface naming reported through SNMP

Workaround for SRP500 Issues

How to update SRP500 configuration using the XML API

Connecting SRP500 to ADSL2+ Annex M Services

SRP527W and 877 woes