The factory default login and password on the Cisco 1721 router is Cisco. This is usually written in the manual of the router or somewhere in the packaging of the device.
0x2102
When resetting a Cisco 1841 router, the default password recovery and administration key is "confreg 0x2142." This allows you to reset the router with a new configuration.
manual encryption
Changing the username and password that a Cisco ISDN router uses to dial-up ... in the router configuration in encrypted format, so even if you canview the settings. By lutaaya sulaiman +256753302061; lutasula@yahoo.com
depends on the platform but mostly "router"Shift+'
The router discards the packet. The router forwards the packet via the default route
flash, NVRAM, TFTP server
whenever you log into your cisco router....
Some recommended books about Cisco routers are: Cisco Router Configuration, Cisco Routers For The Desperate, Cisco Routers for IP Router, Cisco CCNA Routing and Switching.
This depends on the router but I wouldn't normally (except for on a high end router) expect it to be more than 1. I would recommend looking at the manufacturers website or manual.
The router discards the packet.The router forwards the packet out the interface indicated by the default route entry.