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 »
What are Extended ACLs? Extended Access Control Lists (ACLs) are an advanced security feature used in network devices like routers and switches to provide a finer level of control over network traffic than standard ACLs. While standard ACLs filter traffic based solely on the source IP address, extended ACLs can filter based on multiple criteria, including: Source and… Read More »
What Is ACLs? Access Control Lists (ACLs) are a set of rules used in networking to control the flow of traffic into and out of network devices like routers and switches. These rules determine which packets (small units of data) are allowed or denied passage through a network interface. ACLs are crucial for network security and traffic management.… 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 »
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 »
