How to Setup a Cisco Router - Tech Junkie
May 01, 2001 · Here is an example of setting the aux port on a Cisco router to prompt for a user-mode password with a console cable connected (this port can be used with or without a modem): Router#config t Cisco Configuration Professional (Cisco CP) is installed on this device and it provides the default username "cisco" for one-time use. If you have already used the username "cisco" to login to the router and your IOS image supports the "one-time" user option, then this username has already expired. Stratum 0 represents atomic clock and not used in Cisco router; Stratum 1-15 are valid levels and used in Cisco router. 1 is the most reliable and 15 is the worst (but still valid) NTP source. Stratum 16 represents a situation where router is either not connected with any NTP source or not synchronized with any NTP server yet. Cisco Routers have a number of different ports through which these routers can be accessed By default any one can access the router and can change configuration In order to limit access and preventing users from changing configurations Cisco allows us to password protect each port In this lab we will set line console password, thus preventing unwanted changes to our configurations Before readin If you want to ensure passwords adhere to a minimum length on a Cisco router, there is a simple command you can use to enable this feature: security passwords min-length <#> To configure it, simply enter global configuration mode and type the following: R1(config)#security passwords min-length ? <0-16> Minimum length of all user/enable passwords
MTU Troubleshooting on Cisco IOS - NetworkLessons.com
Configuring Default Routes Cisco Routers - Spiceworks The command is ip route, the first set of four zeros is a wildcard for the IP address meaning a direct match is needed, the next set of four zeros is the subnetmask again the zeros mean the route requires a direct match, the final part 168.13.1.101 is the IP address of the next hop or the device that will serve as the routers default gateway.
MTU Troubleshooting on Cisco IOS - NetworkLessons.com
Setting the IP address includes setting of the address itself plus the mask. The mask tells the router how to read the IP address and understand in terms of networks and hosts. Following proper design guidelines you should reach a consensus in terms of how IP addresses are going to be allocated and assigned to different segments and hosts in