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How to Reset Cisco 7821 | 7841 IP Phone to factory default

how-to-reset-cisco-7821-7841-ip-phone

Many times we have to reset Cisco Routers, Switches and Firewall to their factory default settings. So, in this article, we will discuss how we can reset Cisco IP phone. Method 1 : Steps to reset Cisco 7821…

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How to disable Automatic DNS Lookup In Cisco Devices

how-to-disable-dns-lookup-in-cisco-devices.

Normally, when we working on Cisco Routers, Switches or Firewall, and we give a wrong command to the console of the Router than we have to wait for some time to get it working again. This is due…

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