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Extreme Networks ExtremeSwitching X440-G2 Series User Manual

Extreme Networks ExtremeSwitching X440-G2 Series
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5 Building Stacks
Introduction to Stacking
Planning to Create Your Stack
Setting up the Physical Stack
A stack consists of a group of up to eight switches that are connected to form a ring. The stack oers
the combined port capacity of the individual switches. But it operates as if it were a single switch,
making network administration easier.
Stacking is facilitated by the SummitStack feature – part of the ExtremeXOS Edge license.
This chapter describes the supported configurations for stacking switches, the considerations for
planning a stack, and the steps for setting up the hardware. We recommend that you read this chapter
before installing the switches that will make up the stack.
Refer to the Stacking chapter in the ExtremeXOS 22.6 User Guide for information about configuring a
stack, maintaining the stack configuration, and troubleshooting.
Introduction to Stacking
Using the SummitStack feature – part of the ExtremeXOS Edge license – a stack can combine switches
from dierent series, provided that every switch in the stack:
Runs in the same partition (primary or secondary).
Runs the same version of ExtremeXOS.
Includes support for stacking.
The stack operates as if it were a single switch with a single IP address and a single point of
authentication. One switch – called the master switch – is responsible for running network protocols and
managing the stack. The master runs ExtremeXOS software and maintains all the software tables for all
the switches in the stack.
All switches in the stack, including the master switch, are called nodes. Figure 114 shows four nodes in a
stack, connected to each other by SummitStack cables.
ExtremeSwitching and Summit Switches: Hardware Installation Guide 136

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Extreme Networks ExtremeSwitching X440-G2 Series Specifications

General IconGeneral
Form FactorRack-mountable
VLAN SupportYes
Humidity5% to 95% non-condensing
ModelX440-G2 Series
Port TypeGigabit Ethernet
Switching Capacity176 Gbps
Forwarding Rate131 Mpps
StackingYes, up to 8 switches
Layer SupportLayer 2/3
Operating Temperature0°C to 50°C
Product TypeSwitch
Jumbo Frames9216 bytes
AC Power Supply100-240 VAC, 50-60 Hz
Storage Temperature-40°C to 70°C
Port Configuration24 or 48 ports
Power over Ethernet (PoE)Optional

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