IOS upgrade CISCO Router

IOS upgrade CISCO Router:

Install TFTP server on your PC/Laptop. Then keep your updated IOS on “C:TFTP-Root” directory & set ip and subnet mask on your NIC card. Here i use: 1.1.1.10 255.255.255.0  ip of my pc. [boxads]

Router#sh flash:

System flash directory:
File  Length   Name/status
1   33725096  asr901-universalk9-mz.152-2.SNI.bin
2   1180     CAT1811U22B_1396860941.lic
[33726404 bytes used, 66674744 available, 100401148 total]
98304K bytes of processor board System flash (Read/Write)

[bodyads]

Router#
Router#erase flash:
Erasing the flash filesystem will remove all files! Continue? [confirm]
Erasing device… eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
eeeeeeeeeeeeeeeeeeeee …erased

Erase of flash: complete

Router#copy tftp: flash:
Address or name of remote host []? 1.1.1.10
Source filename []? asr901-universalk9-mz.153-3.S.bin
Destination filename [asr901-universalk9-mz.153-3.S.bin]?
Accessing tftp://1.1.1.10/asr901-universalk9-mz.153-3.S.bin…
Loading asr901-universalk9-mz.153-3.S.bin from 1.1.1.10 (via FastEthernet0/0):

!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
[OK – 37169480 bytes]

Verifying checksum…  OK (0x90A6)
37169480 bytes copied in 233.092 secs (159463 bytes/sec)

Router#wr
Building configuration…
[OK]

Router#reload
Proceed with reload? [confirm]

*Jun 17 16:47:39.175: %SYS-5-RELOAD: Reload requested by console. Reload Reason: Reload Command.
System Bootstrap, Version 15.2(2r)SNI, RELEASE SOFTWARE (fc1)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 2013 by cisco Systems, Inc.
Compiled Wed 23-Jan-13 11:44 by ccai

Missing or illegal ip address for variable IP_ADDRESS
Missing or illegal ip address for variable DEFAULT_GATEWAY
Missing or illegal ip address for variable IP_SUBNET_MASK
Missing or illegal ip address for variable IP_ADDRESSP2020 platform with 524288 Kbytes of main memory

[adsense]

Self decompressing the image :

#######################################################################################

#######################################################################################

[OK]

After rebooting router save configuration by bellow command.

Router#wr

Now IOS upgrade CISCO Router procedure is completed. now verify it by Router#sh flash: command.

Shahed

Hi! I am Shahed Israr. I try to help GPON Technology users with their queries and provide them with relevant and accurate information to the best of my ability. My main goal is to assist and enhance GPON Technology user and help people find the answers they're looking for quickly and easily.

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