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.
STP(Spanning-Tree Protocol) Timers
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Ethernet speed and duplex configuration
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What is SYS-ID-EXT parameter in Spanning-tree?
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What is UDLD protocol ?
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Light level of fiber cable for 1000BASE-LX/LH
Tweet Here is light level information for single mode fiber for Gigabit Ethernet port. Most of cases, it doesn’t matter of how many port or…
EtherChannel configure mode with PAgP
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Ethernet Cable Guide
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How to read Cisco FastEthernet Interface status
Tweet Sometimes, by looking over some basic or fundamental information during troubleshooting, we got wrong path and wasted hack of time. If you carefully reviewed…
Issue on Cisco GigE port with FastEthernet port on 3Com switches
Tweet As you know, Cisco Systems is one of top vendor in Router and Switch market in the world since early 90’s. If someone asks who …
Many “runts” are being detect on Ethernet interface ?
Tweet Question: Many “runts” are being detect on Ethernet interface ? Answer: It could be duplex mismatching issue. First of call, Runts: These are…
What is Alignment Errors ?
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What is standard Ethernet frame size and MTU ?
Understanding Standard Ethernet Frame Size and MTU What is the Standard Ethernet Frame Size? The Ethernet frame size consists of several components, excluding the preamble:…
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