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)
Write changes and reload
#wri #reload
After reboot
Before reboot
Switch#show version Cisco IOS Software, C3750 Software (C3750-IPBASEK9-M), Version 12.2(55)SE7, RELEASE SOFTWARE (fc1) Technical Support: http://www.cisco.com/techsupport Copyright (c) 1986-2013 by Cisco Systems, Inc. Compiled Mon 28-Jan-13 10:16 by prod_rel_team Image text-base: 0x01000000, data-base: 0x02D00000 ROM: Bootstrap program is C3750 boot loader BOOTLDR: C3750 Boot Loader (C3750-HBOOT-M) Version 12.2(53r)SEY4, RELEASE SOFTWARE (fc1) Switch uptime is 2 hours, 2 minutes System returned to ROM by power-on System image file is "flash:/c3750-ipbasek9-mz.122-55.SE7/c3750-ipbasek9-mz.122-55.SE7.bin"
After reboot
Switch#sh version Cisco IOS Software, C3750 Software (C3750-IPBASEK9-M), Version 12.2(55)SE5, RELEASE SOFTWARE (fc1) Technical Support: http://www.cisco.com/techsupport Copyright (c) 1986-2012 by Cisco Systems, Inc. Compiled Thu 09-Feb-12 18:59 by prod_rel_team Image text-base: 0x01000000, data-base: 0x02D00000 ROM: Bootstrap program is C3750 boot loader BOOTLDR: C3750 Boot Loader (C3750-HBOOT-M) Version 12.2(53r)SEY4, RELEASE SOFTWARE (fc1) Switch uptime is 3 minutes System returned to ROM by power-on System image file is "flash:/c3750-ipbasek9-mz.122-55.SE5/c3750-ipbasek9-mz.122-55.SE5.bin"
Upgrade all switches in stack
This procedure allows upgrade/downgrade ios image on up to 9 switches connected by stack cable. In the example we use Cisco WS-C3750V2-24PS stack of 8x switches.
Switch(config)#do sh flash
Directory of flash:/
509 -rwx 1048 Mar 1 1993 00:02:43 +00:00 multiple-fs
2 drwx 512 Mar 1 1993 00:42:48 +00:00 c3750-ipbasek9-mz.122-55.SE7
27998208 bytes total (11952128 bytes free)
Switch(config)#do show inventory Switch#show version
NAME: "1", DESCR: "WS-C3750V2-24PS" <---- output omitted ------>
PID: WS-C3750V2-24PS-S , VID: V08 , SN: FDO1718AAA1 Switch Ports Model SW Version SW Image
NAME: "2", DESCR: "WS-C3750V2-24PS" ------ ----- ----- ---------- ----------
PID: WS-C3750V2-24PS-S , VID: V08 , SN: FDO1718AAA2 * 1 26 WS-C3750V2-24PS 12.2(55)SE7 C3750-IPBASEK9-M
NAME: "3", DESCR: "WS-C3750V2-24PS" 2 26 WS-C3750V2-24PS 12.2(55)SE7 C3750-IPBASEK9-M
PID: WS-C3750V2-24PS-S , VID: V08 , SN: FDO1718AAA3 3 26 WS-C3750V2-24PS 12.2(55)SE7 C3750-IPBASEK9-M
NAME: "4", DESCR: "WS-C3750V2-24PS" 4 26 WS-C3750V2-24PS 12.2(55)SE7 C3750-IPBASEK9-M
PID: WS-C3750V2-24PS-S , VID: V08 , SN: FDO1718AAA4 5 26 WS-C3750V2-24PS 12.2(55)SE7 C3750-IPBASEK9-M
NAME: "5", DESCR: "WS-C3750V2-24PS" 6 26 WS-C3750V2-24PS 12.2(55)SE7 C3750-IPBASEK9-M
PID: WS-C3750V2-24PS-S , VID: V08 , SN: FDO1726AAA5 7 26 WS-C3750V2-24PS 12.2(55)SE7 C3750-IPBASEK9-M
NAME: "6", DESCR: "WS-C3750V2-24PS" 8 26 WS-C3750V2-24PS 12.2(55)SE7 C3750-IPBASEK9-M
PID: WS-C3750V2-24PS-S , VID: V08 , SN: FDO1718AAA6
NAME: "7", DESCR: "WS-C3750V2-24PS"
PID: WS-C3750V2-24PS-S , VID: V08 , SN: FDO1718AAA7
NAME: "8", DESCR: "WS-C3750V2-24PS"
PID: WS-C3750V2-24PS-S , VID: V08 , SN: FDO1718AAA8