Cisco 1812 Bedienungsanleitung PDF herunterladen (Seite 2)

Faculty of ESBE Telecommunications & Internet Engineering

5. By default, Cisco router runs on 10.10.10.1 IP address, and acts as a DHCP server, PCs will

get IP addresses such as 10.10.10.2 10.10.10.3……..etc. You can connect to the Cisco router

by telnet (username is cisco and password is cisco):

C:\telnet 10.10.10.1

6. Once you successfully logged in, you will see:

router#

7. All Cisco configuration information are stored in configuration script files, to view startup

configuration script file and current running configuration file, type:

router#show startup-config

router#show running-config

8. To configure the Cisco router you need to change to configuration mode. Following commands

change Cisco router to configuration mode through terminal, set the hostname, and exit the

configuration mode.

router#config terminal

router(config)#hostname 1800-ISR

1800-ISR#

9. To provide network services, first you need to connect Cisco router to the Internet, the

following commands connect FastEthernet 0 (FE0) to the Internet, it will use DHCP to get its

IP address.

1800-ISR#config terminal

1800-ISR(config)#interface FastEthernet 0

1800-ISR(config-if)#ip address dhcp

1800-ISR(config-if)#ip nat outside

1800-ISR(config-if)#no shutdown

1800-ISR(config-if)#exit

10. Second, you need to set up the NAT service for the local networks:

1800-ISR(config)#interface vlan 1

1800-ISR(config-if)# ip nat inside

1800-ISR(config-if)#exit

1800-ISR(config)#access-list 2 permit 10.10.10.0 0.0.0.255

1800-ISR(config)#ip nat inside source list 2 interface FastEthernet 0 overload

1800-ISR#

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Cisco 1812 Bedienungsanleitung Seite 2