Network Analysis 2. Analysing Network Configuration Consistency (Sanity check, BGP, Routes) with Batfish for Cisco, Arista, and Cumulus Anton KarneliukNetworkingJune 27, 2021 Hello my friend, In the previous blogpost we’ve introduced the Batfish and how to set it up. Today we’ll take a look how to perform the analysis of the configuration to figure out discrepancies, which may lead to broken operation … Continue reading
Network Analysis 1. Setting up and Getting Started with Batfish in Multivendor Network with Cisco, Arista, and Cumulus. Anton KarneliukNetworkingJune 21, 2021 Hello my friend, The new year we start with a new topic, which is a configuration analysis of the multivendor … Continue reading
Tools 7. Show me your packets … with TCP dump Anton KarneliukNetworkingMay 29, 2021 Hello my friend, When something goes wrong with the distributed application, where the network is involved (e.g., between client and … Continue reading2
Visualise and Analyse Your Data Centre Fabric with HAWK Anton KarneliukNetworkingApril 7, 2021 Hello my friend, Some time ago in LinkedIn we announced that we are working on the tool, which will allows … Continue reading
Tools 6. Where are my packets lost? MTR edition. Anton KarneliukNetworkingApril 5, 2021 Hello my friend, after show pause we continue our blog series about the most popular network troubleshooting tools, which humankind … Continue reading
pygnmi 9. The safest way to store credentials for network devices. Anton KarneliukNetworkingMarch 21, 2021 Hello my friend, Recently we were asked, what is the safest way to store the credentials for network devices to … Continue reading
pygnmi 8. Securing the gNMI connectivity with self-signed certificates. Anton KarneliukNetworkingMarch 12, 2021 Hello my friend, Continuing our explanation of the pyGNMI, we’ll take a loon into the security aspect of the tool. … Continue reading
SEC 4. Complete guide for integrating Nokia, Arista, Cumulus, as well as CentOS and Raspberry PI Linux in your own PKI Anton KarneliukNetworkingMarch 3, 2021 Hello my friend, In one of the previous blogposts we have share the details how you can build the containerised … Continue reading
Tools 5. Searching for live hosts with fping. IPv4 and IPv6 version. Anton KarneliukNetworkingFebruary 21, 2021 Hello my friend, Quite often, when we do the troubleshooting of our networks and systems, we want to figure out, … Continue reading
SEC 3. Building your own containerised PKI (root CA) with Linux and Docker to simplify and secure network automation Anton KarneliukNetworkingFebruary 16, 2021 Hello my friend, You know our passion to network automation. We truly believe, that this is the only sustainable way … Continue reading
Tools 4. Checking bandwidth between your servers, VMs, containers or even PIs and Android/Apple phone using iperf Anton KarneliukNetworkingJanuary 19, 2021 Hello my friend, We hope you are doing well and staying safe during this COVID times. To make your stay … Continue reading