What is OSPF? Open Shortest Path First (OSPF) is a routing protocol used in computer IP networks to determine the best path for data packets to travel from one router to another.It is part of the Interior Gateway Protocol (IGP) family and is widely used in large and complex networks. OSPF is designed to allow routers within an… Read More »
Troubleshooting Access Control List (ACL) errors. Using the show commands reveals most of the more common ACL errors before they cause problems in your network. When you look at an ACL configuration, check it against known rules you learned regarding how to build ACLs correctly. Most errors occur because these basic rules are ignored. The most common errors are entering ACL… Read More »
How To Authenticate MD5 for BGP Peers. BGP (Border Gateway Protocol) Peers MD5 Authentication is a security feature used in BGP, the protocol that manages how packets are routed across the internet through different networks (autonomous systems). This feature enhances security by establishing a secure connection between BGP peers (routers) using MD5 (Message Digest 5) hashing. Key Points… Read More »
If you are connected to the Internet through a Wired or Wireless network (USB, broadband Modem, or dial-up), most times you deeply rely on your computer and software for protection from viruses and other threats. If you are connected through a router, it might be able to help; because most routers are equipped with a firewall. This helps… Read More »
This page discusses the importance of setting strong passwords on Cisco routers to ward off intruders. the following are guidelines for creating passwords, suggests using passphrases, and outlines the two Cisco password protection schemes – Type 7 and type 5 encryption. It also offers command examples for password encryption and establishing minimum password length.
