Most IT pros know that using Telnet to manage routers, switches, and firewalls is not exactly a security best practice. Instead, the accepted alternative to Telnet's lack of security is Secure Shell ...

Most IT pros realize that using Telnet to manage routers, switches, and firewalls is insecure. Transmitted in clear text across a network, Telnet traffic basically publicizes any login usernames and ...

Network security relies heavily on passwords. Cisco routers use passwords to ensure that only "trusted" users can perform certain services. In this Daily Drill Down, Todd Lammle takes you on a journey ...

Port forwarding settings allow your router to "pass through" telnet traffic. Without port forwarding configurations, the router blocks telnet sessions to the hosted telnet server. Each router has its ...

%LINK-5-CHANGED: Interface GigabitEthernet0/0/0, changed state to up %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/0/0, changed state to up % Login disabled on line 2, until ...

I’ve spent at least 25% of the space in this blog over the years to a discussion of what used lab gear you might want to get so that you can practice the commands you will see on various Cisco exams.

Greetings. We are going to attempt to setup SNMP on our Cisco 1751 Router running IOS 12.1 for use exclusively with MRTG to monitor bandwidth usage. I would assume we don't need too much to get this ...