Tech Corner / Routing Protocols

The Importance of Layer 3 Redundancy: Understanding HSRP – Pt. 2

The Importance of Layer 3 Redundancy: Understanding HSRP – Pt. 2

The Hot Standby Router Protocol (HSRP) is a Cisco proprietary redundancy protocol. It allows several Layer 3 switches or routers to work together in an HSRP group and appear as a single virtual device to endpoints. Because of this approach, endpoints always have a functional default g …

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The Importance of Layer 3 Redundancy: Understanding HSRP – Pt. 1

The Importance of Layer 3 Redundancy: Understanding HSRP – Pt. 1

Providing Layer 3 redundancy is crucial for uninterrupted network services and communications in enterprise networks. This approach provides hardware redundancy in the event of a device failure. It offers various alternative routing paths throughout the network.

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The Ultimate Comparison Guide - FHRP Shootout: HSRP vs. VRRP vs. GLBP

The Ultimate Comparison Guide - FHRP Shootout: HSRP vs. VRRP vs. GLBP

Providing uninterrupted communications and sustaining stable network behavior are the most important goals in each enterprise network. They make the whole environment more productive for the enterprise and less prone to financial losses.

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Leverage Cloud-Scale Features Offered by Cisco ASR 9000 Series Routers

Leverage Cloud-Scale Features Offered by Cisco ASR 9000 Series Routers

Cloud-scale networking systems are designed to meet the requirements of service providers, enterprises, and governments that have emerged due to digitization. They are also meant to support emerging and imminent trends in networking services such as 4K video, IoT, and 5G.

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The Essentials of ARP Protocol & How To Protect Against Spoofing Attacks

The Essential Guide To Protect Against ARP Spoofing Attacks

No matter how strong your security measures are, there is an attacker working to get through them. Treating this as inevitable is key to keeping your data safe and secure. In our two-part packet delivery process blogs here and here we learned a switch is involved in ARP routing. This …

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Learn the Packet Delivery Process (Host-to-Host Communication) - Pt. 2

Learn the Packet Delivery Process (Host-to-Host Communication) - Pt. 2

In every network, data packets are exchanged among hosts through numerous networking devices along the traffic path, such as switches, routers, and firewalls among other devices, so you can comfortably perform your daily tasks. Although the traffic transfer happens instantly, the host …

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Learn the Packet Delivery Process (Default Gateway and ARP) - Pt. 1

Learn the Packet Delivery Process (Default Gateway and ARP) - Pt. 1

For everyday network communications and using various business and entertainment applications, a vast amount of data packets is exchanged between networking devices. However, the host-to-host delivery either in the same network or between different networks is not a simple process and …

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Exploring Routing Functions and the Purpose of the Routing Table

Exploring Routing Functions and the Purpose of the Routing Table

For everyday network operations and proper exchange of data throughout the enterprise environment, routing functionality must be implemented on Layer 3 devices. This functionality is usually performed on routers, although it can also be provided by other devices such as firewalls and …

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