How to Configure Switch Port The Switchport ACL (PACL) feature provides the ability to perform access control on specific Layer 2 ports. ACLs can also be used to control traffic on VLANs. Switch port ACLs can only be applied to Layer 2 interfaces in the inbound direction, and this controls traffic via IP access Lists. Switch port ACL application… Read More »
What is Switchport Security? Switchport security is a feature used in network switches, particularly in Cisco devices, to provide a layer of security at the switch port level. This feature helps in preventing unauthorized access to the network by controlling which devices are allowed to connect to each switch port. It is particularly relevant in environments where network… Read More »
What Is QoS? Quality of Service (QoS) in networking refers to the management of network resources to ensure the best performance of specific types of data transmission. The primary goal of QoS is to provide priority, including dedicated bandwidth, controlled jitter and congestion, and improved loss situations. It’s used to guarantee a certain level of a network service’s… Read More »
Split Horizon, Route Poisoning and Holddown Explained. Split Horizon RIP as a distance vector protocol is also susceptible to routing loops (network problem which enables a data packet to continually be routed through the same routers over and over. The data packets continue to be routed within the network in an endless circle.). Split horizon is one of… Read More »
What is Router-on-a-stick Inter-VLAN Routing? Router-on-a-stick is a type of router configuration method in which a single physical interface manages traffic between multiple VLANs on a network. The router interface has to be configured to operate as a trunk link connected to a switch port (SW1) and enabled in trunk mode. The router receives VLAN-tagged traffic on the… Read More »
