Upgrade IOS

Archive

Switch#dir Directory of flash:/

 509  -rwx        2301   Mar 1 1993 00:24:41 +00:00  config.text
 510  -rwx          24   Mar 1 1993 00:24:41 +00:00  private-config.text
 511  -rwx        2072   Mar 1 1993 00:24:41 +00:00  multiple-fs
 512  -rwx        3584   Mar 1 1993 00:38:49 +00:00  tftp
   2  drwx         512   Mar 1 1993 00:15:19 +00:00  c3750-ipbasek9-mz.122-55.SE7

The command below creates new archive saved.tar including all files and directories in c3750-ipbasek9-mz.122-55.SE7 directory and saves the TAR archive on tftp server.

Switch#archive tar /create tftp://192.168.173.1/saved.tar c3750-ipbasek9-mz.122-55.SE7

Extract

Switch#archive tar /xtract tftp://192.168.173.1/c3750-ipbasek9-tar.122-55.SE5.tar flash1:
Loading c3750-ipbasek9-tar.122-55.SE5.tar from 192.168.173.1 (via Vlan1): !
c3750-ipbasek9-mz.122-55.SE5/ (directory)
< --- output omitted --- >
extracting c3750-ipbasek9-mz.122-55.SE5/c3750-ipbasek9-mz.122-55.SE5.bin (12098310 bytes)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
extracting c3750-ipbasek9-mz.122-55.SE5/info (681 bytes)
extracting info (106 bytes)
[OK - 15912960 bytes]

Delete

We need sometimes delete old IOS image due to limited space.

Switch#delete /recursive flash1:c3750-ipbasek9-mz.122-55.SE5
Delete filename [c3750-ipbasek9-mz.122-55.SE5]?
Examine files in directory flash:c3750-ipbasek9-mz.122-55.SE5? [confirm]
Delete flash:c3750-ipbasek9-mz.122-55.SE5? [confirm]

Set to boot from new image

Check current boot anchor

Switch#sh boot
BOOT path-list      : flash:/c3750-ipbasek9-mz.122-55.SE7/c3750-ipbasek9-mz.122-55.SE7.bin
Config file         : flash:/config.text
Private Config file : flash:/private-config.text
Enable Break        : no
Manual Boot         : no
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)

List directories on flash1:

Switch(config)#do dir
Directory of flash:/

  509  -rwx        2301   Mar 1 1993 00:24:41 +00:00  config.text
  510  -rwx          24   Mar 1 1993 00:24:41 +00:00  private-config.text
  511  -rwx        2072   Mar 1 1993 00:24:41 +00:00  multiple-fs
  512  -rwx        3584   Mar 1 1993 00:38:49 +00:00  tftp
    2  drwx         512   Mar 1 1993 01:32:54 +00:00  c3750-ipbasek9-mz.122-55.SE5
  513  -rwx         106   Mar 1 1993 01:41:19 +00:00  info

27998208 bytes total (11941888 bytes free)

Swith(config)do dir flash1:c3750-ipbasek9-mz.122-55.SE5
Directory of flash:/c3750-ipbasek9-mz.122-55.SE5/

    3  drwx        5632   Mar 1 1993 01:32:54 +00:00  html
  507  -rwx    12098310   Mar 1 1993 01:34:53 +00:00  c3750-ipbasek9-mz.122-55.SE5.bin
  508  -rwx         681   Mar 1 1993 01:41:19 +00:00  info

27998208 bytes total (11941888 bytes free)

Set to boot from another image

boot system switch all flash1:c3750-ipbasek9-mz.122-55.SE5/c3750-ipbasek9-mz.122-55.SE5.bin

Verify new boot image has been anchored

Switch#sh boot
BOOT path-list      : flash1:c3750-ipbasek9-mz.122-55.SE5/c3750-ipbasek9-mz.122-55.SE5.bin
Config file         : flash:/config.text
Private Config file : flash:/private-config.text
Enable Break        : no
Manual Boot         : no
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)