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In: Cisco
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In Cisco IOS, "interface range" command can help you configure multiple interfaces in one single command. This can be a range of switch ports on a module or multiple ports on multiple module be it FastEthernet or GigabitEthernet or vlans on a Cisco Switch or a Router. Sometimes, simple tasks like enabling a bunch of Administratively shutdown ports, assigning a range of switchports to a particular VLAN can become boring and tedious. This is where the "interface range"  can help where we can specify a comma seperated list of range of ports or vlans in the interface configuration mode and any command issued from thereRead More →

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In: Cisco
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If you are already a UNIX or LINUX administrator, you by now know what is rsh and how it can be used to run commands on a remote server. This is no different to running commands on a Cisco Routers and Switches. You can run commands on your cisco routers and switches remotely from linux or unix servers and infact Windows XP, Windows 2003, Windows Vista systems.Read More →

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In: Cisco
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In Cisco IOS, EXEC mode commands cannot be run from the Global Configuration mode or in any other configuration mode. This means, everytime an admin makes a change from the configuration mode (Global Config) then you have to "end" or "Ctrl+Z" back to the EXEC mode and run the EXEC commands like "show", "clear" and "debug" commands.With the "do" command thats a thing of the past. The "do" command can be used to run any EXEC commands from within Global Configuration mode or any other Configuration mode without having to end the config mode.Read More →

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In: Debian, DHCP, DNS, OpenSource, Redhat, Ubuntu
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Dnsmasq is an opensource light-weight,easy to configure and administer DNS and a DHCP Server. Dnsmasq is ideally suitable for smaller networks like Small Office and Home Office networks (SOHO) and branch office networks. Dnsmasq can be run on old PC and is very easy to configure and administer. Dnsmasq is seen to support upto 1000 nodes on a network.Read More →