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Traffic Forwarding Through Interswitch-
Fiber Optic Communication Links and Connections
Two main types of optical fiber used in optical communications include multi-mode optical fibers and single-mode optical fibers. A multi-mode optical fiber has a larger core (≥ 50 micrometers), allowing less precise, cheaper transmitters and receivers to connect to it as well as cheaper connectors.OverviewFiber-optic communication is a form of for from one place to another by sending pulses of or through an. The light is a form of. First developed in the 1970s, fiber-optics have revolutionized the industry and have played a major role in the advent of the. Because of its advantages over electrical transmission, optical fiber. is used by telecommunications companies to transmit telephone signals, Internet communication and cable television signals. It is also used in other industries, including medical, defense, governmen.
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Inter-switch access links
The ISL is proprietary of Cisco and is used only between Cisco switches. It operates in a point-to-point VLAN environment and supports up to 1000 VLANs and can be used over Fast Ethernet and Gigabit Ethernet links only. When a switch port works in access mode, it is called an access port. Configuration of VLANs other than VLAN 1 then to carry traffic of these VLANs, user has to make a switch port trunk which is connected to another switch. Cisco recommends that you have knowledge of VLANs and trunking. ISL works by encapsulating a frame in an ISL.
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