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Chapter 2: Virtual Chassis Stacking
Stack Trunks of 10Gbps Ports
64
You can build stack trunks with 10Gbps SFP+ transceiver ports on the
switches. The guidelines are described here:
Stacks can have up to four switches.
For stacking ports, you can use:
– GS980MX/10HSm ports 9 to 10
– GS980MX/18HSm ports 17 and 18
– GS980MX/28PSm and GS980MX/28 ports 25 to 28
– GS980MX/52PSm and GS980MX/52 ports 49 to 52
SFP+ transceivers and direct attach cables used for a stack trunk
must be from Allied Telesis. Switches will not form a stack with
transceivers from other network equipment providers. For a list of
supported transceivers, refer to the product data sheet on the
Allied Telesis web site.
Note
Transceivers are purchased separately.
The 10Gbps stacking ports and transceiver ports can be used as
regular networking ports by disabling the stacking feature or using
multi-speed 5Gbps ports for the stack trunk.
A stack trunk can be either linear or ring. Ring is recommended
because it adds redundancy. The stack can continue to function
even if a trunk link fails.
– See "Valid Stack Trunk Using Default Stacking
Ports 9 to 10 on 10-Port Switches" on page 65
– See "Valid Stack Trunk Using Default Stacking
Ports 17 to 18 on 18-Port Switches" on page 66
– See "Valid Stack Trunk Using Default Stacking
Ports 27 to 28 on 28-Port Switches" on page 67
– See "Valid Stack Trunk Using Default Stacking
Ports 51 to 52 on 52-Port Switches" on page 68
A stack trunk can have fiber optic and SP10TW direct connect
cables in the same stack. See Figure 27 on page 72.
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