IOS upgrade on Cisco 2960-X


  • check current version of IOS

show version

#sh version
Cisco IOS Software, C2960X Software (C2960X-UNIVERSALK9-M), Version 15.2(2)E5, RELEASE SOFTWARE (fc2
cisco WS-C2960X-48FPS-L (APM86XXX) processor (revision L0) with 524288K bytes of memory.
Processor board ID xxxxxxxxxxxxxxx
Last reset from power-on
2 Virtual Ethernet interfaces
1 FastEthernet interface
52 Gigabit Ethernet interfaces
The password-recovery mechanism is enabled.
512K bytes of flash-simulated non-volatile configuration memory.
Base ethernet MAC Address       : xxxxxxxxxxxxxx
Motherboard assembly number     : xxxxxxxxxxxx
Power supply part number        : 341-0527-02
Motherboard serial number       : xxxxxxxxxxxx
Power supply serial number      : xxxxxxxxxxxx
Model revision number           : L0
Motherboard revision number     : A0
Model number                    : WS-C2960X-48FPS-L
Daughterboard assembly number   : xxxxxxxxx
Daughterboard serial number     : xxxxxxxxxxx
System serial number            : xxxxxxxxxxxx
Top Assembly Part Number        : xx-xxxxxx-xx
Top Assembly Revision Number    : C0
Version ID                      : V04
CLEI Code Number                : xxxxxxxxxxxx
Daughterboard revision number   : A0
Hardware Board Revision Number  : 0x18
Switch Ports Model                     SW Version            SW Image
------ ----- -----                     ----------            ----------
*    1 52    WS-C2960X-48FPS-L         15.2(2)E5             C2960X-UNIVERSALK9-M


  • copy new IOS onto flash


#copy  tftp: flash
Address or name of remote host [10.x.x.x]?
Source filename [cisco]? c2960x-universalk9-mz.152-5.E1.bin
Destination filename [c2960x-universalk9-mz.152-5.E1.bin]?
Accessing tftp://10.x.x.x/c2960x-universalk9-mz.152-5.E1.bin...
Loading c2960x-universalk9-mz.152-5.E1.bin from 10.x.x.x2 (via Vlan2): !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

[OK - 25774080 bytes]

25774080 bytes copied in 523.872 secs (49199 bytes/sec)

  • set new IOS as a bootable

#boot system flash:/c2960x-universalk9-mz.152-5.E1.bin

#show boot
BOOT path-list      : flash:/c2960x-universalk9-mz.152-5.E1.bin
Config file         : flash:/config.text
Private Config file : flash:/private-config.text
Enable Break        : yes
Manual Boot         : no
Allow Dev Key         : yes
HELPER path-list    :
Auto upgrade        : yes
Auto upgrade path   :
NVRAM/Config file
      buffer size:   524288
Timeout for Config
          Download:    0 seconds
Config Download
       via DHCP:       disabled (next boot: disabled)

save changes and reload



  • Check IOS version after reload

#sh version


#sh version
Cisco IOS Software, C2960X Software (C2960X-UNIVERSALK9-M), Version 15.2(5)E1, RELEASE SOFTWARE (fc1)

dzbanek 2016-12-12



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