You can dump memory to FTP server (10.1.1.1) if device crashes.

exception dump 10.1.1.1

exception protocol ftp

ip ftp username myusername

ip ftp password mypass

WS-Watch   WS-Watch2

Please merge the 2 folders. Freeware. Graphical pinger for your devices. Use file/load to load your map. Use edit to change/add/delete. Right clic to change Ip address.

http://www.kiwisyslog.com/index.php

Use this freeware syslog server to collect log messages from devices. You must configure logging in your devices.

http://www.paessler.com/

Download PRTG. Freeware for 3 sensors. Monitor the bandwidth of your links. You must configure SNMP in the device.

Ethereal

Free sniffer. Capture Ethernet packets. Don't forget to make port mirroring (SPAN).

WAN Analyzer

Download and use netflow analyzer. Freeware for 2 devices.

Collects netflow packets and analyze them and give graphics.

Cisco Router and Security Device Manager

Freeware from Cisco. Web-based. Routers configuration and monitoring. Security audit. May be pre-installed in some new routers. Need to be installed in PC for some other routers. Check data sheet to see if you have the right IOS version.

Cisco Network Assistant (CNA)

Freeware from Cisco. Needs password to download it. Monitoring and configuration tool for your switches.

cdp client for windows

Just a cdp client for windows

Hash calculator : Calculate the MD5, SHA-1,….

TFTP server : To download/upload ios images

Scanner: scan IP and ports, resolve hostnames

Subnet calculator: boson subnet calculator

Level 7 cisco passwords cracker