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Chapter 2: Virtual Chassis Stacking
Stack Trunks of 5Gbps Twisted Pair Ports
58
The 10Gbps SFP+ ports are not the only ports you can use for a trunk of a
stack. If you prefer to use the 10Gbps ports for other functions you can
use the 5Gbps twisted pair ports for the trunk instead. You can use two or
more 5Gbps ports per switch for the trunk. As with a trunk based on
10Gbps SFP+ ports, the more 5Gbps ports a trunk has, the greater its
bandwidth.
The following rules and guidelines for a stack trunk of 5Gbps ports are
similar to those for stack trunks of 10Gbps ports:
Stacks can have up to eight switches.
Trunks should have a minimum of two ports per switch.
If you use only two or three of the 5Gbps ports for a trunk, you
should use the same ports on all the switches of the stack. This is
not a requirement, but it can make managing and troubleshooting
the stack easier. For example, you might designate ports 23 and
24 to be the stacking ports on all the switches.
You designate the stack ports with the STACKPORT command.
Once ports are designated as trunk ports, you cannot view or
change their parameter settings.
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