Disable IPv6 in Linux

Try using wireshark to analyse your network traffic, you will be surprised to see many IPv6 traffic that you are not expecting in your IPv4 based network. These IPv6 packets are actually consuming your server and network resources for no use.  This article explains how to disable IPv6 in the network interface cards of Linux/CentOS servers.

2 months ago
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Configure Cisco NTP

Configure NTP on Cisco

This article explains you in detail about NTP configuration on Cisco devices. There are two ways to configure. First I explain about simple NTP configuration without authentication. Second, I explain about NTP configuration with MD5 authentication that is more secure than first one.

2 months ago
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