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
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
DC. Part 16. Microsoft Azure SONiC on the Mellanox switches in data centre (with Cisco XR an Nokia SR OS for inter-OP). Anton KarneliukNetworkingDecember 23, 2019 Hello my friend, The Christmas and New Year is coming, so it is typically the time to think about the … Continue reading3
SEC 2. Data plane and control plane protection in the networking (Nokia, Cisco and Mellanox/Cumulus) for IPv6. Anton KarneliukNetworkingNovember 7, 2019 Hello my friend, After the release of the previous article outlining the data and control plane security for IPv4 in … Continue reading2
SEC 1. Data plane and control plane protection in the networking (Nokia, Cisco and Mellanox/Cumulus) for IPv4. Anton KarneliukNetworkingOctober 14, 2019 Hello my friend, This is the third article where we use the Mellanox SN 2010 running Cumulus Linux. And today … Continue reading2
DC 15. Segment-routing/MPLS on the data centre white box switch and VNF/PNF networking (Nokia, Cisco and Mellanox/Cumulus). Anton KarneliukNetworkingOctober 3, 2019 Hello my friend, the article today would be very special because of three following points. First of all, we’ll talk … Continue reading2
vlog. Episode 6. Closed-loop automation [LIVE] Anton KarneliukVideoSeptember 24, 2019 Hello my friend, This vlog episode I’m alone. Eh… But I have an opportunity to share with you the talk … Continue reading
DC. Part 10. Building zero touch provisioning infrastructure (DHCP, DNS, FTP, HTTP) with NetBox, Docker and Ansible for Arista EOS, Cumulus Linux, Cisco IOS XR and Nokia SR OS Anton KarneliukNetworkingApril 29, 2019 Hello my friend, The last time we’ve started the discussion about the documentation of your data centre infrastructure using NetBox … Continue reading5
DC. Part 9. Documenting your network infrastructure in NetBox, integrating with Ansible over REST API and automating provisioning of Cumulus Linux, Arista EOS, Nokia SR OS and Cisco IOS XR Anton KarneliukNetworkingApril 10, 2019 Hello my friend, Today we’ll switch a bit from the Service Provider Fabric to the Data Centre track back. The … Continue reading5
SP. Part 5. SNMP v3 in Arista EOS, Cisco IOS XR, Cumulus Linux and Nokia SR OS Anton KarneliukNetworkingFebruary 26, 2019 Hello my friend, Today we will talk about one of the most popular monitoring protocol over past decade or two, … Continue reading2