Tag Archives: acls

Extended ACLs Explained with Examples

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 »

Configuring Extended ACLs Examples.

What Is Extended ACLs? Extended Access Control Lists (ACLs) are an advanced feature used in network devices like Cisco routers and switches to provide a stricter 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 »

Frame Relay Address Mapping.

What is Frame Relay Address Mapping? Frame Relay is a widely used packet-switching technology in the field of telecommunications and computer networking. It allows data to be transmitted in discrete units known as frames over a wide area network (WAN). These frames are used to encapsulate data before transmission and are then sent to the destination across the… Read More »

ACLs Configuration on Interfaces Examples.

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 »

ACLs Error and Solutions Example

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 »