Category: LAN/WAN
A local area network (LAN) is a computer network covering a small physical
area, like a home, office, or small group of buildings, such as a school, or an airport. The defining characteristics of LANs, in contrast to wide-area networks (WANs), include their usually higher data-transfer rates, smaller geographic range, and lack of a need for leased telecommunication lines.
Metropolitan area networks, or MANs, are large computer networksOptical fiber connections to link their sites. usually spanning a city.
Ethernet pin assignment and Cable Tester
Tweet Question : hi i’m using a cable tester that looks like this: http://hongmei.en.alibaba.com/product/200168769/51179510/Cable_Tester/Cable_Tester_468.html upon troubleshooting a straight cat5 utp cable using the said device,…
Packet is not passing, if it is bigger than 72 byte ?
Tweet Question : I got Juniper router(M series), and we got GigabitEthernet service for ISP. We saw BGP dropped and no passing traffic since in…
Spanning Tree Protocol Cost Value
Tweet Here is quick note of cost value of bandwidth for Spanning Tree Protocol(STP) If you want to controll STP in manual, you are better…
All Fiber Optic Connectors picture
Tweet Here is most common use fiber optics connector types
How IP helper-address works?
How Does IP Helper Address Work? Understanding the functionality of IP helper addresses is crucial in network management. Whether you’re a seasoned IT professional or…
Cisco Trunking Configuration Basic
Tweet More information will be added in short. Trunking Protocol – Form between Switch and PCs or Switch and Switch. – Tagging(VLAN ID) 1….
How VTP Pruning works
Tweet VTP pruning function use by reducing unnecessary flooded traffic, such as broadcast, multicast, unknown, and flooded unicast packets. VTP pruning save and increases available…
[Cisco] Port mirroring sample config
Tweet 1. New IOS source port 0/22 destinaiton port 0/21 Switch#config terminal Enter configuration commands, one per line. End with CNTL/Z. Switch(config)#monitor session 1 source…
What is gratuitous ARP?
Gratuitous ARP, also known as unsolicited ARP, is a networking technique used to update or announce an IP to MAC address mapping in the ARP…
How to obtain Ethernet addresses
How to Obtain Ethernet Addresses Ethernet addresses, also known as MAC addresses, are unique identifiers assigned to network interfaces for communication within a network. Obtaining…
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