ZyXEL Communications IES-1248-51 Betriebsanweisung PDF herunterladen (Seite 107)

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IES-1248-51V User’s Guide

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CHAPTER 13

Switch Setup

The Switch Setup screen allows you to set up and configure global device

features.

13.1 GARP Timer Setup

GARP (Generic Attribute Registration Protocol) allows network devices to register

and de-register attribute values with other GARP participants within a bridged

LAN. GARP is a protocol that provides a generic mechanism for protocols that

serve a more specific application, for example, GVRP (GARP VLAN Registration

Protocol). GARP and GVRP are the protocols used to automatically register VLAN

membership across switches.

Switches join VLANs by making a declaration. A declaration is made by issuing a

Join message using GARP. Declarations are withdrawn by issuing a Leave

message. A Leave All message terminates all registrations. GARP timers set

declaration timeout values.

13.2 Switch Modes

The IES-1248-51V supports standalone and daisychain switch modes.

13.2.1 Standalone Switch Mode

“Standalone switch mode” relates to the IES-1248-51V’s operational behavior, not

a standalone network topology. The standalone switch mode allows either or both

of the IES-1248-51V’s Ethernet ports to connect to the backbone Ethernet

network. You can also connect one of the IES-1248-51V’s Ethernet ports to the

Ethernet network and the other to another IES-1248-51V (see Figure 50 on page

108 for an example). When the IES-1248-51V is in standalone mode, you can use

it in a network topology that uses loops (you should also enable RSTP). You can

have multiple IES-1248-51V connected on the same network and set both of them

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