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Verifying That EEE Is Saving Energy on Configured Ports

Purpose

Verify that enabling EEE saves energy on Base-T Copper Ethernet ports.

Action

You can see the amount of energy saved by EEE on an EX6210 switch using the show chassis power-budget-statistics command.

1. View the power budget of an EX6210 switch before enabling EEE.
   user@switch>show chassis power-budget-statistics

        PSU  2     (EX6200-PWR-AC2500)                 :    2500 W   Online
               PSU  3                 )                 :       0 W  Offline
               Total Power supplied by all Online PSUs  :    2500 W
               Power Redundancy Configuration           :     N+1
               Power Reserved for the Chassis           :     500 W
       Fan Tray Statistics                       Base power   Power Used
       FTC  0                                   :     300 W        nan W
       FPC Statistics                            Base power   Power Used   PoE power   Priority
       FPC  3   (EX6200-48T)                    :     150 W      61.54 W          0 W       9
       FPC  4   (EX6200-SRE64-4XS)              :     100 W      48.25 W          0 W       0
       FPC  5   (EX6200-SRE64-4XS)              :     100 W      48.00 W          0 W       0
       FPC  7   (EX6200-48T)                    :     150 W      63.11 W          0 W       9
       FPC  8   (EX6200-48T)                    :     150 W      12.17 W          0 W       9
   
       Total (non-PoE) Power allocated          :     950 W
               Total Power allocated for PoE            :       0 W
               Power Available (Redundant case)         :       0 W
               Total Power Available                    :    1550 W
   
   

2. Enable EEE on Base-T Copper Ethernet ports and save the configuration.
3. View the power budget of the switch after enabling EEE.
   user@switch> show chassis power-budget-statistics

        PSU  2     (EX6200-PWR-AC2500)                 :    2500 W   Online
               PSU  3                 )                 :       0 W  Offline
               Total Power supplied by all Online PSUs  :    2500 W
               Power Redundancy Configuration           :     N+1
               Power Reserved for the Chassis           :     500 W
       Fan Tray Statistics                       Base power   Power Used
       FTC  0                                   :     300 W        nan W
       FPC Statistics                            Base power   Power Used   PoE power   Priority
       FPC  3   (EX6200-48T)                    :     150 W      50.36 W          0 W       9
       FPC  4   (EX6200-SRE64-4XS)              :     100 W      48.60 W          0 W       0
       FPC  5   (EX6200-SRE64-4XS)              :     100 W      48.09 W          0 W       0
       FPC  7   (EX6200-48T)                    :     150 W      51.38 W          0 W       9
       FPC  8   (EX6200-48T)                    :     150 W      12.17 W          0 W       9
   
       Total (non-PoE) Power allocated          :     950 W
               Total Power allocated for PoE            :       0 W
               Power Available (Redundant case)         :       0 W
               Total Power Available                    :    1550 W
   

Meaning

The Power Used field in the output shows the actual power being consumed by the line card or SRE module, including PoE power. If you compare the values in the Power Used field before and after enabling EEE for FPC 3 and FPC 7, you will notice that power is saved when EEE is enabled.

Note: The Power Used field is displayed in the output only for EX6210 switches.