Name: Extreme Networks ExtremeSwitching X440-G2 Series
Brand: Extreme Networks
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the stack. Consider these dierences when selecting a master node, selecting a backup node, and

conﬁguring failover operation.

Note

We recommend that the master and backup roles be assigned to switches from the same

series. For example, if the master node is an X460-G2 switch, the backup node should also be

an X460-G2 switch. Similarly, if the master node is an X670-G2 series switch, the backup node

should also be an X670-G2 switch.

Note

ExtremeSwitching X690 and X870 switches can be stacked with each other, but they cannot

be stacked with other switch models.

When easy setup compares two switches that have the same capability, the lower slot number takes

precedence.

We recommend that you follow the same ranking hierarchy when you plan the physical placement of

the switches in the stack.

SummitStack Topologies

Figure 116 presents a graphical representation of a stack and some of the terms that describe stack

conditions.

Figure 116: Example of a Stack, Showing the Active Topology and the Stack Topology

A stack is the collection of all switches, or nodes, that are cabled together to form one virtual switch

using the ExtremeXOS SummitStack feature.

Building Stacks

ExtremeSwitching and Summit Switches: Hardware Installation Guide 139

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Extreme Networks ExtremeSwitching X440-G2 Series Specifications

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