Planet IGS-801 [113/120] User s manual of igs 801m

User’s Manual of IGS-801M

names. Most importantly, DNS tra

computer-friendly IP addresses. F

192.168.0.1.

nslates human-friendly domain names and computer hostnames into

or example, the domain name www.example.com might translate to

DSCP

m for DDSCP is an acrony ifferentiated Services Code Point. It is a field in the header of IP packets for packet

classification purposes.

Ethernet

Ethernet Type, or EtherType, is a field in the Ethernet MAC header, defined by the Ethernet networking standard.

It is used to indicate which protocol is being transported in an Ethernet frame.

Type

Fast Lea

n interface from the forwarding-table entry

sending out group specific queries to the interface. The VLAN interface is pruned from the multicast

tree for the multicast group specified in the original leave message. Fast-leave processing ensures optimal

IGMP snooping Fast Leave processing allows the switch to remove a

without first

bandwidth management for all hosts on a switched network, even when multiple multicast groups are in use

simultaneously.

HTTP

HTTP is an acronym for Hypertext Transfer Protocol. It is a protocol that used to transfer or convey information

on the World Wide Web (WWW).

HTTP defines how messages are formatted and transmitted, and what actions Web servers and browsers should

take in response to various commands. For example, when you enter a URL in y

our browser, this actually sends

an HTTP command to the Web server directing it to fetch and transmit the requested Web page. The other main

Any Web server machine contains, in addition to the Web page files it can serve, an HTTP daemon, a program

e host (port 80 by default). An HTTP server

listening on that port waits for the client to send a request message.

standard that controls how the World Wide Web works is HTML, which covers how Web pages are formatted and

displayed.

that is designed to wait for HTTP requests and handle them when they arrive. The Web browser is an HTTP

client, sending requests to server machines. An HTTP client initiates a request by establishing a Transmission

Control Protocol (TCP) connection to a particular port on a remot

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