Upgradig Cisco IOS on Catalyst Switch/3750 using CLI from Local Computer.
Assign IP to VLAN iterface to your switch e.g VLAN1|
Switch(config)#interface vlan 1Switch(config-if)#ip address 192.168.100.10 255.255.255.0
Switch(config-if)#end
Assign IP of same subnet to you local PC
192.168.100.5/255.255.255.0no need defaulg gateway
Verify connection
Switch#ping 192.168.100.5Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 192.168.100.5, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 1/203/1006 ms
Switch#
Download, install,RUN TFTP server on local computer
Copy the latest firmware to TFTP directory.
Check the flash available memory space, about 20MB is free.
Switch#show flash
Directory of flash:/
2 -rwx 2072 Mar 7 1993 00:09:32 +00:00 multiple-fs
8 drwx 192 Apr 14 1993 14:17:45 +00:00 c3750-ipbasek9-mz.122-46.S E
32514048 bytes total (20837888 bytes free)
Start copying and provide the source file name
Switch#copy tftp flash:
Address or name of remote host []? 192.168.100.5
Source filename []? c3750-ipbasek9-mz.122-55.SE7.bin
Destination filename [c3750-ipbasek9-mz.122-55.SE7.bin]?
Accessing tftp://192.168.100.5/c3750-ipbasek9-mz.122-55.SE7.bin...
Loading c3750-ipbasek9-mz.122-55.SE7.bin from 192.168.100.5 (via Vlan1): !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
[OK - 12098366 bytes]
12098366 bytes copied in 280.692 secs (43102 bytes/sec)
Switch#
OR
Copying with scp
Switch#copy scp://username@192.168.100.5/c3750-ipbasek9-mz.122-55.SE7.bin flash:
OR
Copying with scp
Switch#copy scp://username@192.168.100.5/c3750-ipbasek9-mz.122-55.SE7.bin flash:
Existing Boot IOS info
Switch#show boot
BOOT path-list : flash:c3750-ipbasek9-mz.122-46.SE/c3750-ipbasek9-mz.122-46.SE.bin
Config file : flash:/config.text
Private Config file : flash:/private-config.text
.
.
Changing the Boot to new IOS image
Use command in global config boot system flash:/ in
Switch#conf t
Enter configuration commands, one per line. End with CNTL/Z.
Switch(config)#boot system flash:/c3750-ipbasek9-mz.122-55.SE7.bin
Switch(config)#end
Switch#show boot
*Mar 1 00:34:25.308: %SYS-5-CONFIG_I: Configured from console by consolet
BOOT path-list : flash:/c3750-ipbasek9-mz.122-55.SE7.bin
Config file : flash:/config.text
Private Config file : flash:/private-config.text
..
Reload/restart switch
Switch#reload
System configuration has been modified. Save? [yes/no]: no
Proceed with reload? [confirm]
*Mar 1 00:38:56.025: %SYS-5-RELOAD: Reload requested by console. Reload Reason: Reload command.
.
Delete OLD IOS
Switch#delete /force /recursive flash:c3750-ipbasek9-mz.122-46.SE
