hi Experts,each time i restart my 2811 router it's drive me to the rommon mod and i have to select boot from flash i intered boot system command and it's shown as followed!boot-start-markerboot system flash:c2800nm-ipbase-mz.124-11.T.binboot-end-mark...

i have 2811 router and incidently the Flash erased, i have a backup of the IOS file (.bin) i did upload it but when the router reloaded it's not goes up again.please help in this issue.