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About Me

MTIN is a full service consulting firm with over 15 years of experience. We specialize in ISP networks.  Other clients include enterprise, education, government, and SOHO.  We have Mikrotik, Cisco, and other certified engineers on staff.

Cisco Common troubleshooting commands

show version:gives uptime, info about your software and hardware and a few other details.

show ip interface brief

show interface:

show ip interface:

show ip route:

show arp:

show running-config:

show port:

show [...]

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Cisco Quick tip

Router# show interface serial0

Serial is up line protocol is up, it is the first message that shows us that your serial port is configure properly. It is just possible when you have already given IP address, run no shutdown and configures some other command.

There are some possible errors messages may occur [...]

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