RTS DV-3400 Informações Técnicas descarregar pdf (Página 294)

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101

Port Trunking

Overview

This chapter describes creating and modifying port trunk groups. This

includes non-protocol trunks and LACP (802.3ad) trunks.

Port Status and Configuration Features

Feature Default Menu CLI Web

viewing port trunks n/a page 13-9 page 13-11 page 13-17

configuring a static trunk none page 13-9 page 13-15 —

group

configuring a dynamic LACP LACP passive — page 13-15 —

trunk group

Port trunking allows you to assign up to eight physical links to one logical link

(trunk) that functions as a single, higher-speed link providing dramatically

increased bandwidth. This capability applies to connections between back-

bone devices as well as to connections in other network areas where traffic

bottlenecks exist. A trunk group is a set of up to eight ports configured as

members of the same port trunk. Note that the ports in a trunk group do not

have to be consecutive. For example:

The multiple physical links in a trunk behave as one logical link

Switch 2:

Switch 1:

port 1

port c1

port 2

port c2

Ports a1, a3 - a4,

Ports c1 - c3,

port 3

port c3

a6 - a8, a11, and

c5 - c7, and

port 4

port c4

a12 configured

c9 - c10

port 5

port c5

as a port trunk

configured as a

port 6

port c6

group

port trunk group.

port 7

port c8

port c7

port 8

port c9

port 9

port c10

port 10

port 11

port n

…

port 12

…

port n

Figure 13-1. Conceptual Example of Port Trunking

With full-duplex operation in a eight-port trunk group, trunking enables the

following bandwidth capabilities:

13-2

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