Downloading IOS using TFTPDNLD on Cisco 1841 Router: Difference between revisions
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==== | ====Get Server Ready==== | ||
#Make sure your TFTP server is installed and running. | |||
#Give the server the IP address ''10.0.0.254''. | |||
#Point the server to the directory holding the IOS file you want to load onto the router. | |||
====Download IOS onto router==== | |||
#Get connected to the router using Hyperterminal. | #Get connected to the router using Hyperterminal. | ||
# | #Turn on the router and hit CTRL-break on the keyboard as the router is loading to get into ROMmon mode. | ||
#Type the following commands into the router: | |||
##'''IP_ADDRESS='''''10.0.0.1'' | |||
##'''IP_SUBNET_MASK='''''255.255.255.0'' | |||
##'''DEFAULT_GATEWAY='''''10.0.0.254'' | |||
##'''TFTP_SERVER='''''10.0.0.254'' | |||
##'''TFTP_FILE='''''c1841-advipservicesk9-mz.124-25b.bin'' | |||
##'''tftpdnld''' | |||
When it asks if you want to continue type '''yes'''. | |||
Revision as of 21:42, 9 December 2009
Before starting this process, make sure you have a TFTP server program (TFTPD32 is a good one). Also make sure you have the IOS bin file you want to load onto the router.
Get Server Ready
- Make sure your TFTP server is installed and running.
- Give the server the IP address 10.0.0.254.
- Point the server to the directory holding the IOS file you want to load onto the router.
Download IOS onto router
- Get connected to the router using Hyperterminal.
- Turn on the router and hit CTRL-break on the keyboard as the router is loading to get into ROMmon mode.
- Type the following commands into the router:
- IP_ADDRESS=10.0.0.1
- IP_SUBNET_MASK=255.255.255.0
- DEFAULT_GATEWAY=10.0.0.254
- TFTP_SERVER=10.0.0.254
- TFTP_FILE=c1841-advipservicesk9-mz.124-25b.bin
- tftpdnld
When it asks if you want to continue type yes.