Monday, 1 August 2011

Routing-Igrp

Routing-Eigrp

Dynamic Routing-Rip





Vtp

VLAN Trunking Protocol (VTP) is a Cisco proprietary protocol , Virtual Local Area Networks (VLAN) on the whole local area network. To do this, VTP carries VLAN information to all the switches in a VTP  advertisements sent over ISL, 802.1q, IEEE 802.10 and LANE trunks. VTP is Exist  on most domain of the Cisco Catalyst Family products.

Routing

In Internet Enviornment the word 'Routing' means, To Transfer Data from One side to Another side it's it's done by Layer Three device Router.

  Types of Routing

1.Default Routing
2.Static Routing
3.Dynamic Routing




router is a device that decides where to send a data packet in order to get it one step closer to its destination, and then sends it there.

In order to make this decision, the router looks at the destination address on the packet and then consults a list of rules programmed into the router by the person who set it up.

If there is no explicit rule covering this packet - if the router hasn't been programmed with a rule on how to route packets to this particular destination - then the router send the packet to the default route.

In other words, the default route is the destination that a packet is sent to if the router doesn't have instructions to send it somewhere else.

As an example, consider a simple home router that connects your home network to the Internet. This router will have two routing rules - one for computers on your internal network, and a default route. The default route will send packets upstream to your ISP. So any packet that's not going to another computer at your house will always be sent out to the Internet
ip route 0.0.0.0 0.0.0.0 serial 0/0


Static Route:


 

  • IEEE 802 LAN
  • IEEE 802.1 Standards for LAN & management and remote media access control (MAC) 
  • IEEE 802.2 Standards for Logical Link Control (LLC) standards for connectivity.
  • IEEE 802.3 Ethernet Standards for Carrier Sense Multiple Access with Collision Detection (CSMA/CD).
  • IEEE 802.4 Standards for token passing bus access.
  • IEEE 802.5 Standards for token ring access and for communications between LANs and MANs
  • IEEE 802.6 Standards for information exchange between systems.
  • IEEE 802.7 Standards for broadband LAN cabling.
  • IEEE 802.8 Fiber optic connection.
  • IEEE 802.9 Standards for integrated services, like voice and data.
  • IEEE 802.10 Standards for LAN/MAN security implementations.
  • IEEE 802.11 Wireless Networking – "WiFi".
  • IEEE 802.12 Standards for demand priority access method.
  • IEEE 802.14 Standards for cable television broadband communications.
  • IEEE 802.15.1 Bluetooth
  • IEEE 802.16 Wireless Networking – "WiMAX"
    to know more pls visit the link

IEEE 802.11™: WIRELESS LOCAL AREA NETWORKS (LANs)
   
  802.11  is  wireless standards  known as Wi-Fi technologies. Additionally, Bluetooth and various other non Wi-Fi technologies also exist, each implemented for specific networking applications

  •     802.11 — it support  wireless LANs and provides 1 or 2 Mbps transmission in 2.4 Ghz Band.
  • 802.11a — it support wireless LANs and provides up to 54-Mbps in the 5GHz band.

  • 802.11b— an extension to 802.11 that applies to wireless LANS and provides 11 Mbps transmission .

  • 802.11e —  support for LANs, and it supports 11-Mbps & 54-Mbps wireless LAN .   

  • 802.11g — it support wireless LANs and is used for transmission over short distances at up to 54-Mbps in the 2.4 GHz bands.

  • 802.11n — 802.11n builds upon previous 802.11 standards by adding multiple-input multiple-output (MIMO).

  • 802.11r -  802.11r, also called Fast Basic Service Set (BSS) Transition, supports VoWi-Fi handoff between access points to enable VoIP roaming on a Wi-Fi network with 802.1X authentication.

  • 802.1X — Not to be confused with 802.11x (which is the term used to describe the family of 802.11 standards) 802.1X is an IEEE standard for port-based Network Access Control that allows network administrators to restricted use of IEEE 802 LAN service access points to secure communication between authenticated and authorized devices

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