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CAUTION: This procedure will erase all your router's configuration.
To reset your CISCO router password, you need to access the ROM Monitor mode. To access the ROM Monitor mode, start your minicom and reboot your CISCO router. Upon booting send the CTR+BREAK sequence by pressing CTRL-A F on your keyboard.
Nagios provides a monitoring option to evaluate routers and switches using SNMP, Simple Network Management Protocol. This course will show you how to set up Nagios and specifically how to locate the information you want to monitor with SNMP on a Cisco router. This is a Free Course available to anyone.
Cisco has its own networking operating system, IOS, which has long been the mainstay of its routers and switches. But now Linux is powering a new generation of Cisco networking devices for small businesses.
Firewall Builder is a firewall configuration and management GUI that supports configuring a wide range of firewalls from a single application. Supported firewalls include Linux iptables, BSD pf, Cisco ASA/PIX, Cisco router access lists and many more.
I will assume that you are using GNU/Linux systems (Ubuntu,Debian, CentOS etc.) to configure your CISCO router using CLI.
Open your terminal and install minicom and setserial by typing this command in the terminal.
When Cisco (NSDQ: CSCO) and Juniper first said they were opening their router OSes, I thought that they'd be about as open as the iPhone. With Cisco's launch of IOS XE, I realize I was wrong: The iPhone is much more open.
Sometimes you will need to create service checks using the MIBs that you can discover with snmpwalk. This tutorial will show you the process of creating service checks for a Cisco router manually.
Cisco announced a Linux-based WiFi router touted as the first 802.11n dual-band clustering access point for small to medium-sized businesses (SMBs). The Cisco AP 541N Wireless Access Point includes 802.11n, gigabit Ethernet, "robust" security, voice roaming, and clustering technology, enabling a single point of administration for multiple access points.
Netflow with Cisco routers can be set up and integrated with Nagios for detailed information about traffic data on your routers and switches. Using nfdump and nfsen this data can be gathered and charted and then connected to the Nagios interface.
