IOS Upgrade

Sample for router IOS

Copy the image to flash: from TFTP server

Upgrade the new image from a TFTP server. Use the copy tftp: flash: command in order to copy the image from TFTP server to the flash.

2600#copy tftp: flash:
Address or name of remote host []?

!--- is the IP address of the TFTP server

Source filename []? c2600-adventerprisek9-mz.124-12.bin
Destination filename [c2600-adventerprisek9-mz.124-12.bin]?
Accessing tftp://
Erase flash: before copying? [confirm]y

!--- If there is not enough memory available, erase the Flash.

!--- If you have sufficient memory you can type n and press enter

Erasing the flash filesystem will remove all files! Continue? [confirm]y
Erasing device... eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
eeeeeeeeee ...erased
Erase of flash: complete

2600#dir flash: //check the files copied

Verify curent boot file
2600#show run | include boot
boot system flash:c2600-adventerprisek9-mz.123-21.bin

2600#configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
2600(config)#no boot system
2600(config)#boot system flash:c2600-adventerprisek9-mz.124-12.bin


Configuration Problem:

Router(config-ephone)#type 7960
Router(config-ephone)#button 1:1
Need to configure ephone mac address or VM station-id

DHCP Assign IP Address to Different VLANs


router(config)#line vty 0 4 //vty: virtual terminal line. 0-4: 5 remote users can access at the same time)
router(config-line)#password 123456
router(config-line)#login //or login local (use local global authentication)
router(config-line)#transport input telnet //only for telnet to login 

Check hardware and Serial No
#show inventory

Cisco Router Notes