Source: SSL/TLS certificates beginner’s tutorial | Talpor Solutions Blog
Following 3 links pretty much cover everything we need, to generate network device configurations from a template and variable file. https://pynet.twb-tech.com/blog/ansible/ansible-cfg-template.html https://pynet.twb-tech.com/blog/ansible/ansible-cfg-template-p2.html https://pynet.twb-tech.com/blog/ansible/ansible-cfg-template-p3.html
Interesting read and video about NetNORAD – a tool used by facebook to detect and isolate network latency/packet drop issues. https://code.facebook.com/posts/1534350660228025/netnorad-troubleshooting-networks-via-end-to-end-probing/ Additional reads: https://github.com/facebook/fbtracert https://github.com/facebook/UdpPinger
Create a free account with a Dynamic DNS service like noip.com and configure it in the modem. This step is to link dynamically assigned IP from your service provider to a static name. Install any remote sharing app like VNC … Continue reading
IPv6: 128 bits. Represented in hexadecimal format as eight 16 bits segments. Two rules for IPv6 representation: Leading zeros in 16 bits can be represented as single 0. Single contiguous string of one or more segments are all zeros can … Continue reading
A BGP notification message is sent when an error condition is detected by the BGP process. The TCP connection with that BGP peer is closed after sending the notification message. Usually, the BGP process will log this notification in syslog, … Continue reading
Below is a sample python code that can login to a switch via SSH and gather few command outputs and display it on console. SSH sessions are repeated for ‘x’ number of times. Paramiko SSH module is used in this … Continue reading
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