Cisco Switch WS-C2960XR-48LPD-I Total available PoE power increase

[macejko8]

Hey All,

I have Cisco switch WS-C2960XR-48LPD-I and I would like to ask if it possible to increase total availbale PoE power by adding new power supplies? Current total PoE power is 370W. We have added PWR-C2-1025WAC= power supplies, which have 1025W, but total PoE power has not change.

Thanks,

Br,

Matej

[marce1000]

 - Ref : https://www.cisco.com/c/en/us/products/collateral/switches/catalyst-2960-x-series-switches/datasheet_c78-728232.html

                               Check Table 1.

 M.

[macejko8]

Thanks for the reply, we upgraded the default PWR-C2-640WAC power supply to PWR-C2-1025WAC, but the available PoE power reminas the same 370W. Is that the supposed behaviour?

[balaji.bandi]

 PWR-C2-1025WAC - when you replace with new one, you should see more Power available,

to understand better post below output :

show version

show environ

show  power inline

[macejko8]

sho version:

Cisco IOS Software, C2960X Software (C2960X-UNIVERSALK9-M), Version 15.2(5b)E, RELEASE SOFTWARE (fc2)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2016 by Cisco Systems, Inc.
Compiled Wed 14-Sep-16 06:29 by prod_rel_team

ROM: Bootstrap program is C2960X boot loader
BOOTLDR: C2960X Boot Loader (C2960X-HBOOT-M) Version 15.2(3r)E1, RELEASE SOFTWARE (fc1)

cctv1-f2-bts01 uptime is 5 days, 1 hour, 5 minutes
System returned to ROM by power-on
System restarted at 07:51:45 UTC Fri Aug 27 2021
System image file is "flash:/c2960x-universalk9-mz.152-5b.E.bin"
Last reload reason: power-on

This product contains cryptographic features and is subject to United
States and local country laws governing import, export, transfer and
use. Delivery of Cisco cryptographic products does not imply
third-party authority to import, export, distribute or use encryption.
Importers, exporters, distributors and users are responsible for
compliance with U.S. and local country laws. By using this product you
agree to comply with applicable laws and regulations. If you are unable
to comply with U.S. and local laws, return this product immediately.

A summary of U.S. laws governing Cisco cryptographic products may be found at:
http://www.cisco.com/wwl/export/crypto/tool/stqrg.html

If you require further assistance please contact us by sending email to
export@cisco.com.

cisco WS-C2960XR-48LPD-I (APM86XXX) processor (revision N0) with 524288K bytes of memory.
Processor board ID FDO2032B0BQ
Last reset from power-on
2 Virtual Ethernet interfaces
1 FastEthernet interface
100 Gigabit Ethernet interfaces
6 Ten Gigabit Ethernet interfaces
The password-recovery mechanism is enabled.

512K bytes of flash-simulated non-volatile configuration memory.
Base ethernet MAC Address : 00:B0:E1:03:B8:80
Motherboard assembly number : 73-100634-03
Power supply part number : 341-0531-03
Motherboard serial number : FDO203307W1
Power supply serial number : DCB2026B61B
Model revision number : N0
Motherboard revision number : C0
Model number : WS-C2960XR-48LPD-I
Daughterboard assembly number : 73-14200-03
Daughterboard serial number : FDO203208KX
System serial number : FDO2032B0BQ
Top Assembly Part Number : 68-100311-02
Top Assembly Revision Number : B0
Version ID : V06
CLEI Code Number : CMMKF10ARF
Daughterboard revision number : A0
Hardware Board Revision Number : 0x21

Switch Ports Model SW Version SW Image
------ ----- ----- ---------- ----------
* 1 54 WS-C2960XR-48LPD-I 15.2(5b)E C2960X-UNIVERSALK9-M
2 54 WS-C2960XR-48LPD-I 15.2(5b)E C2960X-UNIVERSALK9-M

Switch 02
---------
Switch Uptime : 5 days, 1 hour, 6 minutes
Base ethernet MAC Address : 00:B0:E1:03:C2:80
Motherboard assembly number : 73-100634-03
Power supply part number : 341-0531-03
Motherboard serial number : FDO203307Z4
Power supply serial number : DCB2026B5AS
Model revision number : N0
Motherboard revision number : C0
Model number : WS-C2960XR-48LPD-I
Daughterboard assembly number : 73-14200-03
Daughterboard serial number : FDO203208Y6
System serial number : FDO2032B0C9
Top assembly part number : 68-100311-02
Top assembly revision number : B0
Version ID : V06
CLEI Code Number : CMMKF10ARF
Daughterboard revision number : A0

Configuration register is 0xF

show env power

SW PID Serial# Status Sys Pwr PoE Pwr Watts
-- ------------------ ---------- --------------- ------- ------- -----
1A PWR-C2-1025WAC LIT192906Y6 OK Good Good 250/775
1B PWR-C2-1025WAC DCB1943C2SY No Input Power Bad Bad 250/775

show power inline

Module Available Used Remaining
(Watts) (Watts) (Watts)
------ --------- -------- ---------
1 370.0 0.0 370.0
2 370.0 0.0 370.0

[balaji.bandi]

1B PWR-C2-1025WAC DCB1943C2SY No Input Power Bad Bad 250/775

this required Physical investigation first and fix the issue.

[macejko8]

Sure it is an issue, but Unit 1 is good so should have higher available PoE power. Or could be causing issue that switches are in stack?