Information Technology Blog (Archive)

If you are studying for CCNA, it is not enough that you know how to configure Cisco routers using the CLI, you also have to learn how to use Cisco SDM (Security Device Manager) as stated in the exam objectives: Configure, verify and troubleshoot DHCP and DNS operation on a router (using both  the CLI and SDM) Access and utilize the router to set basic parameters.(including: CLI/SDM) Configure and apply ACLs based on network filtering requirements using SDM and CLI Configure and apply an ACL to limit telnet and SSH access to the router using SDM and CLI Configure NAT for given network requirements using SDM and CLI Another reason for learning how to use SDM, as quoted from CCNA ICND1 Official Cert Guide (3rd Ed) : Routers that are built specifically for consumers as Internet access routers ship from the factory with DHCP client services enabled on the Internet-facing interface, DHCP server functions enabled on the local interface, and PAT functions enabled. ...