Sw1#conf t
Sw1(config)#int vlan 1
Sw1(config-if)#ip address 192.168.2.1 255.255.255.0
Sw1(config-if)#no shut
Sw1(config-if)#exit
Sw1(config)#end
Sw1#
Sw1#ping 20.20.20.2
 
Sw1#show flash
 
Directory of flash:/
 
    2  -rwx        1495   Mar 1 1993 00:05:53 +00:00  config.text
    3  drwx         192   Mar 1 1993 00:07:10 +00:00  c2970-i6l2-mz.122-25.SE
  329  -rwx           5   Mar 1 1993 00:05:53 +00:00  private-config.text
 
15998976 bytes total (10247680 bytes free)
Sw1#
 
Sw1#delete /force /recursive flash:c2970-i6l2-mz.122-25.SE
Delete filename [c2970-i6l2-mz.122-25.SE]? 
Sw1#
 
Sw1#copy tftp flash:
Address or name of remote host []? 192.168.2.2
Source filename []? c2970-lanbase-mz.122-44.SE6.bin
Destination filename [c2970-lanbase-mz.122-44.SE6.bin]? 
Accessing tftp://192.168.2.2/c2970-lanbase-mz.122-44.SE6.bin...
 
Sw1#conf t
Sw1(config)#boot system flash:/c2970-lanbase-mz.122-44.SE6.bin
Sw1(config)#exit
Sw1#sh 
BOOT path-list      : c2970-lanbase-mz.122-44.SE6.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
Sw1#wr mem 
Building configuration...
[OK]
Sw1#reload 
Proceed with reload? [confirm]
 
Sw1>show version 
Cisco IOS Software, C2970 Software (C2970-LANBASE-M), Version 12.2(44)SE6, RELEASE SOFTWARE (fc1)
Copyright (c) 1986-2009 by Cisco Systems, Inc.
Compiled Mon 09-Mar-09 14:11 by gereddy
Image text-base: 0x00003000, data-base: 0x00F00000