ZyXEL Communications IES-1248-51 Guía de usuario descargar pdf (Pagina 109)

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Chapter 13 Switch Setup

IES-1248-51V User’s Guide

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daisychain switch mode is recommended for use in a network topology that does

not have loops. When you daisychain multiple IES-1248-51V they must all be set

to daisychain mode.

Daisychain switch mode with port isolation enabled blocks communications

between subscriber ports on an individual IES-1248-51V and between the

subscribers of any daisychained IES-1248-51V (see Figure 51 on page 109 for an

example). Use the same port isolation setting on all IES-1248-51V that you set up

in a daisychain.

13.2.4 Port Isolation with Daisychain Switch Mode Example

In the example below, the IES-1248-51V 1 has its Ethernet port one (ENET 1)

connected to the Ethernet backbone switch (3) and it’s Ethernet port two (ENET2)

connected to Ethernet port one (ENET 1) of the daisychained IES-1248-51V (2).

With port isolation turned on, communications between A and B must first go

through another switch or router (3 in the figure). A and B also cannot

communicate with C without their communications going through another switch

or router.

Figure 51 Port Isolation with Daisychain Switch Mode Example

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