L7HardwareAddr6 - Part 2 Packet Transmission Part 2 Packet...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
1 Part 2 – Packet Transmission Hardware Addressing and Frame Type Identification Gail Hopkins Part 2 – Packet Transmission Introduction ± The need for addressing ± Addressing in hardware Ð static, dynamic and configurable addressing Ð broadcast addresses, multicast addresses and promiscuous mode ± Frame type and frame format ± Ethernet frame format Part 2 – Packet Transmission The Need for Addressing ± A LAN provides a physical path from one computer to all others ± Most communication is from one computer to one other Ð addressing allows the source to identify the destination Ð hardware addressing prevents unnecessary messages being seen by a computer Part 2 – Packet Transmission Specifying a Recipient ± Each station is assigned a unique numerical address on the network called its hardware address or physical address ± Each frame transmitted across the network typically includes a destination address field and a source address field Ð the network hardware in each station decodes each frame and uses the destination address to determine whether to accept it Ð including the source address field makes it easy to generate a reply Part 2 – Packet Transmission LAN Hardware and Filtering ± LAN hardware is typically completely
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 08/14/2011 for the course ELECTRONIC G52CCN taught by Professor Professorgail during the Spring '09 term at Uni. Nottingham.

Page1 / 4

L7HardwareAddr6 - Part 2 Packet Transmission Part 2 Packet...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online