i have copy a new IOS in my second partition of the flash (flash:2), when it end copying i have recieve : invalid checksum (expected 0x8AA5, computed 0xE09E)what does invalid checksum mean and how i can solve this..sh flash:2System flash directory, ...

I have 2-separate flashes(each are 8M)...each one has a separate IOS...i want to upgrade to IP+ which its (16M)...can i make these 2 flashes operate as a logical one device with one IOS of 16M...??

this message appear continously into our consoule 3660 router ,plz advice 4w6d: %SYS-3-INVMEMINT: Invalid memory action (free) at interrupt level-Traceback= 603683D4 6040B570 6040ACDC 6040AF08 602A5684 6021988C 6021DD6C 601FA6D4 601FCB90 601FC564 60...

i want to set up a syslog server which will have all the logs(telnet, ftp...and other protocols into my 3660 cisco router).so that i can see who log or try to log into my router.i need the commands that can help me to do the log-configuration .also a...