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New Member

ip sla enable reaction-alerts on 2960X

copied config from 2960S

cannot set "ip sla enable reaction-alerts" on new switch:


  WS-C2960X-24PS-L   15.0(2)EX3            C2960X-UNIVERSALK9-M 


comp-room-2#ip sla enable reaction-alerts


% Invalid input detected at '^' marker."

what am i doing wrong


VIP Purple

Re: ip sla enable reaction-alerts on 2960X

Hi Jacob,

First go to config mode and the run this command:

comp-room-2# Config t

comp-room-2(Config)# ip sla enable reaction-alerts

Try this.


Please rate helpful posts.

New Member

Re: ip sla enable reaction-alerts on 2960X


i pasted the wrong text

this is what i get

comp-room-2(config)#ip sla enable reaction-alerts


% Invalid input detected at '^' marker.

the marker on the word enable

when i do ip sla ?

i get

comp-room-2(config)#ip sla ?                    

  key-chain  Use MD5 Authentication for IP SLAs Control Messages

  responder  Enable IP SLAs Responder

VIP Purple

Re: ip sla enable reaction-alerts on 2960X

Hi Jacob,

To use Cisco IOS IP Service Level Agreements (SLAs), the switch must be running the LAN Base image.

I think ur image did not support this feature.

Paste the sh version output or  to check if your Image supports IP SLA or not: Please check here:


New Member

Re: ip sla enable reaction-alerts on 2960X

comp-room-2#sh ver
Cisco IOS Software, C2960X Software (C2960X-UNIVERSALK9-M), Version 15.0(2)EX3, RELEASE SOFTWARE (fc1)
Technical Support:
Copyright (c) 1986-2013 by Cisco Systems, Inc.
Compiled Wed 11-Sep-13 02:04 by prod_rel_team

ROM: Bootstrap program is C2960X boot loader
BOOTLDR: C2960X Boot Loader (C2960X-HBOOT-M) Version 15.0(2r)EX, RELEASE SOFTWARE (fc1)

comp-room-2 uptime is 1 day, 1 hour, 6 minutes
System returned to ROM by power-on
System restarted at 13:32:26 UTC Wed Nov 13 2013
System image file is "flash:/c2960x-universalk9-mz.150-2.EX3/c2960x-universalk9-mz.150-2.EX3.bin"

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:

If you require further assistance please contact us by sending email to

cisco WS-C2960X-24PS-L (APM86XXX) processor (revision A0) with 524288K bytes of memory.
Processor board ID FOC1741S091
Last reset from power-on
2 Virtual Ethernet interfaces
1 FastEthernet interface
28 Gigabit Ethernet interfaces
The password-recovery mechanism is enabled.

512K bytes of flash-simulated non-volatile configuration memory.
Base ethernet MAC Address       : 64:E9:50:C9:38:00
Motherboard assembly number     : 73-14193-03
Power supply part number        : 341-0528-01
Motherboard serial number       : FOC17403J4S
Power supply serial number      : DCB173273ZU
Model revision number           : A0
Motherboard revision number     : A0
Model number                    : WS-C2960X-24PS-L
Daughterboard assembly number   : 73-14200-03
Daughterboard serial number     : FOC173917SL
System serial number            : FOC1741S091
Top Assembly Part Number        : 800-38007-01
Top Assembly Revision Number    : A0
Version ID                      : V01
CLEI Code Number                : CMMLR00ARA
Daughterboard revision number   : A0
Hardware Board Revision Number  : 0x05

Switch Ports Model              SW Version            SW Image                
------ ----- -----              ----------            ----------              
*    1 28    WS-C2960X-24PS-L   15.0(2)EX3            C2960X-UNIVERSALK9-M    

New Member

Re: ip sla enable reaction-alerts on 2960X


VIP Purple

Re: ip sla enable reaction-alerts on 2960X

Hi Jacob,

I did nt find any exact reaction.

Please try to update the IOS.

This IOS hav many bugs.

Hope it helps.