Table 64: Alternate Stacking Ports for X450-G2 Switches
Switch Model Type or location of Native
Stacking Ports
Alternate Stacking
Ports
Location of Alternate
Stacking Ports
X450-G2-24t-10GE4
X450-G2-24p-10GE4
Fixed (rear panel) 27,28 Front panel
X450-G2-48t-10GE4
X450-G2-48p-10GE4
Fixed (rear panel) 51,52 Front panel
Additional Stacking Considerations for X450-G2 switches
Before deploying a new stack with X450-G2 switches, consider the following guidelines:
•
Only the SummitStack-V and SummitStack-V84 stacking protocols are supported for the X450-G2
switch. SummitStack-V80 is not supported.
•
In a stack that contains X450-G2 switches and other switch models, the X450-G2 switch might
provide more memory and more features than the other switch models. Take this into account when
you decide which switches will serve as the master and backup nodes, and when you configure
failover operation.
•
To use the failover feature in the stack, a second X450-G2 switch is recommended. It must be the
backup node.
•
If any supported feature pack is installed on the master-capable X450-G2 nodes, the following
guidelines apply:
•
Every switch in the stack must meet the software and hardware requirements listed in the
Feature License Requirements document.
•
Only the enhanced stacking protocol is supported for the X450-G2 switch. Every node that
shares a stack with an X450-G2 switch must have enhanced stacking configured.
•
We recommend against mixing X450-G2, X460-G2, X770, and X670-G2 switches in a stack.
•
X450-G2 switches support multiple types of QSFP+ stacking cables for connection between rear
stacking ports (21 Gb ports) and QSFP+ ports on other Extreme Networks switches. For
information on which cables to use with each type of Summit family switch, see Selecting
Stacking Cables on page 166.
X460-G2 Stacking
The stacking-support option is enabled by default for X460-G2 switches. For more information, see
Enabling and Disabling the Stacking-Support Option on page 149.
The stacking port selection option, which allows you to choose between native and alternate ports, is
enabled by default for X460-G2 switches. For more information, see Selecting Native and Alternate
Stacking Ports on page 162.
Building Stacks
ExtremeSwitching and Summit Switches: Hardware Installation Guide 153
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