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This CCNA journal entry provides essential commands and configuration examples for basic Cisco routers, focusing on Ethernet and serial connections, along with dynamic routing using RIP. It illustrates commands for setting hostnames, enabling passwords, configuring interfaces, and managing routing protocols. Specific examples include setting up IP addresses, line settings for console and virtual terminal, and enabling the RIP routing protocol for given networks. Understanding these configurations is fundamental for network design and troubleshooting in Cisco environments.
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Index • Basic • Ethernet • Serial • Router Rip
Helpers • Show Commands: • Show run • Show interface • All of these commands do not have to be used with every configuration: i.e. Line aux 0, or Line vty 0 4
Basic • Router# • hostname RTA • enable password cisco • enable secret class • config t • interface Serial 0/0 • ip address 193.16.3.33 255.255.255.224 • router rip • network 193.16.3.0 • line con 0 • login • password cisco • line aux 0 • login • password cisco • line vty 0 4 • login • password cisco
Ethernet 220.169.23.0 • On a 2500 router • Config t • Interface e0 • Address 200.169.23.0 255.255.255.0 • No shutdown • Interface e1 • Address 220.169.23.0 255.255.255.0 • No shutdown • On a 2600 router • Interface s0/0 • . • . • Interface s0/1 • . e1 e0
Serial 220.169.23.0 • 220.169.23.0 • DCE • On a 2500 router • Config t • Interface s0 • Address 200.169.23.0 255.255.255.0 • No shutdown • Interface s1 • Address 220.169.23.0 255.255.255.0 • Clock rate 56000 • No shutdown • On a 2600 router • Interface s0/0 • . • . • . • Interface s0/1 • .