i have a 7200 router npeg2 processor .
when i bought the router , there were a defualt ios which is named as
======>> c7200p-ipbase-mz.124-4.XD.bin , note that this ios is old and dont support BGP,
note that using this ios when reloading my router it takes about 2 minutes only or less .
but if i used another ios which is loaded to disk2 memory such that
when reloading the router , it takes about 2 minutes and 40 seconds
when using another ios i type the command as below :
boot system disk2:c7200p-advipservicesk9-mz.124-24.T4.bin
my question is ,
how to enhance the router booting up time???
can i reduce this time to some thing lesser than 2 minutes ????
and why using the other ios it takes more time ??? is this natural event ??
here is output of disk2
-#- --length-- -----date/time------ path
1 13482144 Apr 27 2011 04:37:52 c7200p-ipbase-mz.124-4.XD.bin
2 37962496 Mar 07 2001 07:08:16 c7200p-advipservicesk9-mz.124-24.T4.bin
3 39814568 Mar 07 2001 07:37:08 c7200p-adventerprisek9-mz.124-24.T4.bin
Every IOS is different. Some take longer than others. It also depends on the feature set you are using. There is not much really you can do to make it boot faster. I have seen the same thing with 3750 series running IOS 15. It also takes a long time to boot specially the first time.
hi ,thanks for ur reply
but im facing a strange problem which is alot of config commands was hidden ,
i mean before reload router many times every thing is ok ,
but now on the same ios , alot of config were hidden !!!!!!!!!! and i manully adding them
does using serveral ios and reloading router many times may lose config in startup ???
im stange and wondering if reloading router with changin ios may affect router
Reloading and loading different IOS images does not effect the config. If you see some of the config that you originally had on your router and doesn't show up is because those command are not needed in the new IOS or the way you implemented them is different from the old IOS.
Also, reloading IOS is not something you would need to do often, as most features can be enabled without reloading the IOS.
There is actually way to speed up your IOS boot time which is called warm reboot,
please check out the following link I am sure you will find it interesting
Hope it will Help
I totally Agree there is no doubt about it if you want to load to a new IOS than you certainly need to make the normal cold boot.
i remembwered the reason of my problem ,
when using ios of ipbase which reject alot of config , it seemed i made write====>copy run to start ,and in this case the rejected configs werent added to stratup config whe nusing the newer iso .
so we migh take care when using may ios and and saving configs.