6 Installing the Hardware
Splitting QSFP Ports to SFP+ Ports
The S4810 supports splitting a single 40G QSFP port into four 10G SFP+ ports
using one of the supported breakout cables (refer to Installing the S4810 System
or Release Notes for the S4810 System for a list of supported cables).
You must enter the stack-unit portmode command for the system to recognize
the port type change. For example:
stack-unit stack-unit port number portmode quad
•
stack-unit
: Enter the stack member unit identifier of the stack member to
reset. Range: 0-11
•
number
: Enter the port number of the 40G port to be split. Range: 0-31
Important Points
• Splitting a 40G port into 4x10G port is supported only on a standalone unit.
• Split ports cannot be used as stack-link to stack an S4810.
• Split ports S4810 unit cannot be a part of any stacked system.
• The unit number with the split ports must be the default (stack-unit 0). This
can be verified using the
show system brief
command. If the unit ID is
different than 0, then it must be renumbered to 0 before ports are split, by
entering in EXEC mode:
stackunit
id
renumber
0
• The quad port must be in a default configuration before it can be split into
4x10G ports. The 40G port is lost in the running-configuration when the port
is split, so be sure the port is also removed from other L2/L3 feature
configurations.
• The system must be reloaded after issuing the CLI for the change to take
effect.
Supply Power and Power Up the System
Supply power to the S4810 after the chassis is mounted in a rack or cabinet.
2 Insert the optic into the port until it gently snaps into place.
NOTE: Both rows of QSFP+ ports require that the 40G optics be
inserted with the tabs facing up.
Step Task
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