Hydnetworkers

Category: Technology News update

  • What is STP (Spanning Tree Protocol)

    STP is a network protocol used to prevent loops in Ethernet networks with redundant paths. Why is it needed? In networks with switches, having multiple paths between devices is good for redundancy—but it can also cause broadcast storms and loops, which crash networks. STP prevents this by blocking some paths…

  • OSPF – Open Shortest Path First (Full Explanation with Real-World Examples)

    What is OSPF? OSPF (Open Shortest Path First) is a dynamic routing protocol used in IP networks. It helps routers automatically learn the best path to reach other networks using the shortest path first algorithm (Dijkstra’s Algorithm). ✅ OSPF is a Link-State Routing Protocol and works at Layer 3 (Network…

  • What is VLAN? Simple Explanation With Command

    What is a VLAN?A VLAN (Virtual Local Area Network) allows you to segment a single physical switch into multiple logical networks. It helps organize devices, improve security, and reduce unnecessary traffic. Why Use VLANs? Basic VLAN Configuration on a Switch: Switch> enableSwitch# configure terminalSwitch(config)# vlan 10Switch(config-vlan)# name HRSwitch(config-vlan)# exitSwitch(config)# interface…

  • What is NAT? Types of NAT with Real Examples

    What is NAT? NAT (Network Address Translation) allows a router to translate private IP addresses (like 192.168.x.x) into public IPs so that devices inside a private network can access the internet. It’s commonly used in homes, companies, and ISPs to save public IPs and provide security. Why is NAT Important?…

  • Azure 700 Learning

    My Scope of learning- Virtual Network (VNETs) :- Block of private network in AzureAzure Available Zones BroadCast:UniCast:AnyCast:

  • 9500 stackwise-virtual issues

    Cisco 9500 StackWise Virtual is a network system virtualization technology that pairs two switches into one virtual switch Show idprom interface <interface no> detail 9500-48sw#show idprom interface Twe2/0/1 detail IDPROM for transceiver TwentyFiveGigE2/0/1:  Description                               = SFP or SFP+ optics (type 3)  Transceiver Type:                         = SFP+ 10GBASE-SR (273)  Product Identifier (PID)                 …

  • Segment Routing

    Segment Routing uses a routing technology or technique known as source packet routing. In source packet routing, the source or ingress router specifies the path a packet will take through the network, rather than the packet being routed hop by hop through the network based upon its destination address. It…

  • What is dynamic auto and desirable

  • Aruba – How To Enable POE in Aruba switch

    This is my first Aruba switch brand new and wanted to set it up as my L3 switch which manages my L2 connections to route the traffic. This content explains you how to enable POE on Aruba switch interface in a CLI mode : Below are the references :

  • Passive Interface – Configuration and Why/when it is Used

    Why Do We Use OSPF Passive Interface? The passive interface should be configured on interfaces that do not have an OSPF router connected to them so that they won’t receive any OSPF information. To silenc routing announcements on network interfaces, we tell the router to “listen but don’t talk.” A…

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