If i plug 2 network cables from the same source to cisco switch 2960, will it cause network problem? for example, packet drop, looping and etc. How to know that there are 2 same sources connect to the switch? Is there any ways to identify the problem...

Normally, how people perform the health check on Cisco device? What kind of command will be use in order to see the error message or log from the console? For example: cisco switch 2950 or 2600?

To setup the connection from Main Office to Branch Office, what kind of connection methods are recommended to use? MPLS, Metro E, Leased line? Any ideas? Thanks.

Hi,Can we have the port access security control at the switch since this is like vlan extention into another side via leased line?For example, i plug the leased into port fastethernet 20 of cisco switch 2950. How to do the port access security on por...

I reseted the cisco router 800 series. All the configuration gone. May i know how to configure its ip back to 10.10.10.1? Thus, I can use SDM to configure the rest of settings. I tried to configure its interface ip to 10.10.10.1 but it showed ip addr...