Saving power by turning off FUPs with stacking disabled

Use the CLI command to turn off a flexible module with stacking disabled to save power. The flexible module configuration remains unchanged during a savepower operation.

Syntax

savepower flexible-module <SLOT-ID>

Description

Power flexible modules off.

Option

SLOT-ID

Specify an alphabetic device slot identifier, such as A or B.

Example output

switch# show modules

 Status and Counters - Module Information

  Chassis: Switch     JL075A         Serial Number:   SG5ZGYY143

  Slot  Module Description                         Serial Number    Status
  ----- ------------------------------------------ ---------------- ----------
  A     HPE JL083A 4SFP+ Module                     SG5ZGZ6184       Up
  B     HPE JL083A 4SFP+ Module                     SG5ZGZ6219       Up
  St... HPE JL084A 4-port Stacking Module           SG5ZGZ7603       Up

switch# show run

Running configuration:

; JL075A Configuration Editor; Created on release #KB.16.01.0000x
; Ver #0c:01.7c.59.f4.7b.ff.ff.fc.ff.ff.3f.ef:

hostname "Switch"
module 1 type jl075x
module 2 type jl075y
module 3 type jl075z
flexible-module A type JL083A
flexible-module B type JL083A
no rest-interface
snmp-server community "public" unrestricted
oobm
   ip address dhcp-bootp
   exit
vlan 1
   name "DEFAULT_VLAN"
   untagged 1-16,A1-A4,B1-B4
   ip address dhcp-bootp
   exit

switch(config)# savepower flexible-module B
This command will shut down the specified modules.  Ports on those
modules will no longer pass traffic and any management traffic to
ports on those modules will be interrupted.  This command may take
up to 2 minutes to power down all specified modules.  Please use the
event log to monitor progress.

Continue (y/n)? y
switch(config)# show run

Running configuration:

; JL075A Configuration Editor; Created on release #KB.16.01.0000x
; Ver #0c:01.7c.59.f4.7b.ff.ff.fc.ff.ff.3f.ef:

hostname "Switch"
module 1 type jl075x
module 2 type jl075y
module 3 type jl075z
flexible-module A type JL083A
flexible-module B type JL083A
no rest-interface
snmp-server community "public" unrestricted
oobm
   ip address dhcp-bootp
   exit
vlan 1
   name "DEFAULT_VLAN"
   untagged 1-16,A1-A4,B1-B4
   ip address dhcp-bootp
   exit
savepower flexible-module B

switch# show modules

 Status and Counters - Module Information

  Chassis: 3810M-16SFP+-2-slot  JL075A         Serial Number:   SG5ZGYY143

  Slot  Module Description                         Serial Number    Status
  ----- ------------------------------------------ ---------------- ----------
  A     HPE JL083A 4SFP+ Module                     SG5ZGZ6184       Up
  B     HPE JL083A 4SFP+ Module                     SG5ZGZ6219       Save...
  St... HPE JL084A 4-port Stacking Module           SG5ZGZ7603       Up