KOMUTACIONI SISTEMI PDF

Komutaciona tehnika Prenosniki interfejs ima sledee funkcije: 3. Pretplatniki stepen telefonske centrale je oragnizovan u vie pretplatnikih koncentratora koji koncentriu pretplatnike prema ulazu komutacionog polja. Izdvojeni pretplatniki stepen koji je karakteristika sistema sa digitalnom komunikacijom se koristi u cilju ekonominije izgradnje pretplatnike mree. On se povezuje sa grupnim stepenom digitalnim sistemima prenosa, dok se pretplatniki kablovi polau samo u okolini izdvojenog stepena to donosi utede u paricama. U njemu se vri koncentracija saobraaja od korisnika ka voru.

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Kelkis Devices on remote networks are reached through gateway. Start display at page:. The main difference is that routers have more interfaces while hosts often have only one.

Locate and load the Cisco IOS software. Router Memory Just as a computer, routers have memory. Remote routes contain the address of the intermediate network device to be used to reach the destination.

This is the IPv4 address of the interface on the router. Different models ship with different ports. IP — Connectionless Sender doesn t know if the receiver is listening or the message arrived on time. Use the show ip route command to display the routing table on a Cisco router.

Perform the POST and load the bootstrap program. The network layer adds a header so packets can be routed to the destination. Network administrators can group devices into subnets that are determined by location, organizational unit or device type. The process of breaking an address range into smaller address spaces is called subnetting. Directly Connected Routing Table Entries C — Identifies a directly-connected network, automatically created when an interface is configured with an IP address and activated.

ARP entries can be manually removed via commands. Next-Hop Address Next-Hop address is the address of the intermediate device used to reach a specifc remote destination. Receiver doesn t know data is coming.

Default Gateway Routes traffic to other networks Has a local IP address in the same address range as other komutacoini on the network Can take data in and forward data out Using the Default Gateway Hosts will use the default gateway when sending packets to remote networks.

The command show running-config is used to view the active configuration in RAM. The Flash also stores other system files. Komutacioni sistemi. Beatrice Miles 6 months ago Views: Connect to a Router Routers have may ports to support connections.

Broadcasts are only propagated within its broadcast domain. Problems with Large Broadcast Domains Slow network operations due to the significant amount of broadcast traffic. Inside a Router Routers have the same general structure. It provides information on the amounts of memory installed, what IOS images was loaded during boot and more.

Each octet contains 8 bits or 1 byte separated with a dot. Because each broadcast domain connects to a different router interface, each domain needs its own network address space. Devices on directly connected networks can be reached directly. Slow device operations because a device must accept and process each broadcast packet. Router Bootup Process 1. To use this website, you must agree to our Privacy Policyincluding cookie policy.

Ethernet is very common on different router models. Host Routing Tables Use the netstat r command to display the host routing table on a Windows machine. L — Identifies that this is a local interface. Cache timers are OS dependent. Reasons for Subnetting Solution: The request is based upon the layer 3 address of the destination known by the source. Related Posts.

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Комутациони системи

Broadcasts are only propagated within its broadcast domain. Komutaccioni device operations because a device must accept and process each broadcast packet. This is the IPv4 address of the interface on the router. Problems with Large Broadcast Domains Slow network operations due to the significant amount of broadcast traffic. The command show running-config is used to view the active configuration in RAM. It also contains which interface komuhacioni use to reach that specifc destination. The Flash also stores other system files.

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KOMUTACIONI SISTEMI

Program 1. Komutacione strukture. Osnove dizajna komutacije kola: Prostorna komutacija kola. Prostorna i prostorno-vremenska komutacija kola. Vremenska komutacija. Vrijeme-prostor-vrijeme komutacija. Osnovni principi dizajna paketskih komutatora.

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Kelkis Devices on remote networks are reached through gateway. Start display at page:. The main difference is that routers have more interfaces while hosts often have only one. Locate and load the Cisco IOS software.

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Komutacioni sistemi

Pre nego to se Internet tehnologija rairila i postala dominantna mrea za prenos informacija, telefonske mree su imale najrazvijeniju mrenu infrastrukturu. Kada su uvedena digitalna komutaciona polja i digitalni prenos govornih signala, javila se ideja da se telefonska mrena infrastruktura iskoristi i za prenos drugih signala, prenos podataka i video signala ali i drugih tipova signala ako bi za tim bilo potrebe. Razlog je bio jednostavan, onog momenta kada se informacija predstavi u vidu bita binarnih signala , tada prestaje da bude bitno kako je ta informacija nastala jer e se prenositi istim fizikim resursima. ISDN Integrated Services Digital Network tehnologija je nastala kao odgovor na ovu potrebu za ujedinjenjem svih servisa u okvire iste mree. Tokom procesa standardizacije ISDN tehnologije, predviena je i definisana saradnja i sa drugim tehnologijama poput ATM, frame-relay i dr. Meutim, razvojem i irenjem paketskih mrea poput eternet i Internet mrea, razvoj telefonskih i ISDN mrea je zaustavljen, tako da se ove dve mree danas vie ne razvijaju, ali se i dalje koriste.

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