Extreme Networks Virtual Chassis Manual do Utilizador descarregar pdf (Página 12)

10 S

UMMIT

IRTUAL

HASSIS

ESIGN

AND

NSTALLATION

UIDE

UPPORTED

ONFIGURATIONS

One Gigabit Ethernet port from each of the Summit switches is cabled to the Summit

Virtual Chassis. The maximum distance between the Summit switch and the Summit

Virtual Chassis is 260 meters. Each Summit switch continues to operate independently.

The Summit Virtual Chassis does not act as an OSI layer 2 bridge hop or an OSI layer 3

router hop. It is transparent to layer 2 and 3 protocols.

It is recommended that you use a single Virtual Chassis stack when using the Summit3

switch. A single Virtual Chassis stack can also be used with Summit1, Summit2,

Summit4, and Summit48 switches.

The Summit Virtual Chassis can provide redundant power for two of the Summit

switches shown in Figure 6. For the other Summit switches to have backup power, you

must use a Summit RPS. The Summit RPS provides power to up to two Summit

switches. Figure 7 shows the single Virtual Chassis stack with the addition of a Summit

RPS.

Figure 7:

Single Virtual Chassis stack with a Summit RPS

For more information on using a Summit RPS, refer to the

Summit Redundant

Power Supply Installation Guide

ARALLEL

IRTUAL

HASSIS

TACK

The parallel Virtual Chassis stack uses two or four Summit Virtual Chassis to provide

redundant load-sharing port configurations for up to eight Summit switches. You can

use two Summit Virtual Chassis with Summit2 and Summit48 switches, and four

Summit Virtual Chassis with Summit1 and Summit4 switches.

DC RPS cable

virtchas.book Page 10 Friday, May 29, 1998 10:08 AM

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Extreme Networks Virtual Chassis Manual do Utilizador Página 12