1. Download tftp-server, contoh menggunakan aplikasi gratis Tftpd32 by Ph. Jounin.
2. Jalankan tftp-server hasil download

3. Kita gunakan command “show version” utk mengetahui versi dari IOS

accessNet1#show version

Cisco Internetwork Operating System Software
IOS ™ C1700 Software (C1700-SV3Y-M), Version 12.2(11)YV, EARLY DEPLOYMENT REL
EASE SOFTWARE (fc1)
Synched to technology version 12.2(13.1u)T
TAC Support: http://www.cisco.com/tac
Copyright (c) 1986-2003 by cisco Systems, Inc.
Compiled Tue 21-Jan-03 19:32 by ealyon
Image text-base: 0×80008120, data-base: 0×81028CA8

ROM: System Bootstrap, Version 12.0(3r)T1, RELEASE SOFTWARE (fc1)
ROM: C1700 Software (C1700-SV3Y-M), Version 12.2(11)YV, EARLY DEPLOYMENT RELEASE
SOFTWARE (fc1)

accessNet1 uptime is 1 hour, 51 minutes
System returned to ROM by power-on
System restarted at 18:44:12 UTC Sat Apr 14 2007
System image file is “flash:c1700-sv3y-mz.122-11.YV.bin”
cisco 1750 (MPC860T) processor (revision 0×801) with 40198K/8954K bytes of memory.
Processor board ID JAD05300822 (3246129383), with hardware revision 0000
MPC860T processor: part number 0, mask 32
Bridging software.
X.25 software, Version 3.0.0.
1 FastEthernet/IEEE 802.3 interface(s)
1 Serial(sync/async) network interface(s)
2 Voice FXO interface(s)
2 Voice FXS interface(s)
32K bytes of non-volatile configuration memory.
16384K bytes of processor board System flash (Read/Write)
Configuration register is 0×2102

4. Masuk ke console router

Note: kita harus masukkan alamat dari tftp-server

accessNet1#copy flash:c1700-sv3y-mz.122-11.YV.bin tftp://10.14.200.18
Address or name of remote host [10.14.200.18]?
Destination filename [c1700-sv3y-mz.122-11.YV.bin]?

Tunggu .. sampai semua file ter-copy ke tftp-server

…!!.!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!..!
!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!.!!!!!!!!!!!!!!.!!!!!!!.!!
!!.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
9619220 bytes copied in 3696.644 secs (2602 bytes/sec)..

Setelah semua selesai ter-copy, file image IOS dapat kita temukan di folder yang telah diset pada tftp-server.