Allied-telesis AT-8326GB Manuel d'utilisateur télécharger pdf (Page 32)

AT-8326GB Installation Guide

Dynamic Host

Configuration

Protocol

(DHCP)

This application protocol was developed to simplify network

management. It is used to automatically assign IP configuration

information to the devices on your network, such as an IP address,

subnet mask, and, in some instances, a default gateway address.

The AT-8326GB Fast Ethernet Switch supports this protocol and can

obtain its IP configuration information from a DHCP server on your

network. If you activate this feature, the switch will seek its IP address,

subnet mask, and default gateway from a DHCP server residing on your

network.

Most DHCP services allow you to specify whether the IP address

assignment from the server is to be static or dynamic. If you choose

static, the server will always assign the same IP address to the switch

when the switch is reset or powered on. If you choose dynamic, the

server will assign an unused IP address from its list of potential IP

addresses each time the switch is reset or powered on.

Note

The DHCP option is disabled by default on the switch.

Port Monitoring The port monitoring feature allows you to unobtrusively monitor the

traffic being received and transmitted on a port on the switch by having

the traffic copied to another switch port. You can connect a network

analyzer to the port functioning as the monitoring port to monitor the

traffic without impacting network performance or speed.

Port Trunking Port trunking is an economical way for you to increase the bandwidth

between an AT-8326GB Fast Ethernet switch and another network

device, such as a server, router, workstation, or another switch. A port

trunk is two or more data ports that have been grouped together to

increase the bandwidth between a switch and a network node by

functioning as one logical path. This increase in bandwidth can prove

useful in situations where a single connection between the switch and a

node is insufficient to handle the traffic load.

Port trunks are also useful in adding redundancy to the critical devices of

your network. If one link of a port trunk fails, the remaining links will

continue to provide a connection to the end node.

Despite the software configuration and physical connections, there are

no data loops in a port trunk because of load balancing. The port trunk

always sends packets from a particular source to a particular destination

over the same link within the trunk. A single link is designated for

flooding broadcasts and packets of unknown destination.

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Allied-telesis AT-8326GB Manuel d'utilisateur Page 32

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