ISE 802.1X - Deploy Machine and User Certificates If you want to use EAP-TLS, EAP-FAST or TEAP as your authentication method for 802.1X then you may need Suresh Vina Feb 19, 2022 4 min read
ISE Cisco ISE CIMC firmware upgrade When I was looking to upgrade the CIMC on the SNS-3515 appliance I was very confused. I couldn't Suresh Vina Feb 9, 2022 3 min read
Cisco Cisco ASA Syslog Simplified This blog post focuses on how to configure Logging/Syslog on the Cisco ASA firewalls. Having relevant logs sent out Suresh Vina Jan 20, 2022 8 min read
ISE Cisco ISE Admin access with AD Account What if I tell you that only 3 out of 10 ISE admins use AD for ISE admin login (trust Suresh Vina Jan 11, 2022 5 min read
ISE Cisco ISE Patch Install Example Cisco releases ISE patches occasionally, like 3 or 4 patches a year for each version. The patches contain bug and Suresh Vina Jan 8, 2022 3 min read
ISE Cisco ISE Log4j Patch Installation CSCwa47133 If you haven’t heard about Log4j vulnerability, then you must have been living under a rock for the past Suresh Vina Jan 5, 2022 3 min read
Linux Raspberry Pi as a router using iptables I have a Raspberry Pi 4 which I solely use to block ads using Pi-hole. I recently came across a Suresh Vina Jan 1, 2022 4 min read
NetDevOps Ansible with Cisco - Variables Prerequisite This blog post assumes you have a basic understanding of Cisco devices and Ansible. If you are not familiar Suresh Vina Dec 29, 2021 9 min read
NetDevOps Using Ansible with Vagrant If you are not familiar with Vagrant, I highly recommend reading my previous Vagrant Introduction post here. Vagrant for NetDevOpsThere Suresh Vina Dec 28, 2021 7 min read
NetDevOps Vagrant for NetDevOps There were many situations in the past where I had to quickly set up a Syslog server or a Radius Suresh Vina Dec 27, 2021 13 min read
ISE Configure F5 TACACS+ authentication against Cisco ISE Overview You can use TACACS+ to authenticate and authorize users into the F5 BIG-IP system which eliminates the need to Suresh Vina Nov 20, 2021 4 min read
Cisco APC Radius authentication with Cisco ISE In this blog, I will show you how to use Cisco ISE to authenticate users into APC Network-enabled devices such Suresh Vina Nov 3, 2021 2 min read
ISE Cisco ISE config-backup failure Symptom Do I like Cisco ISE, yes? Do I like fixing never-ending ISE bugs, absolutely not? When you try to Suresh Vina Nov 3, 2021 2 min read
NetDevOps Using Python to resolve multiple hostnames to IP addresses As a Network Engineer, I work with IP addresses all day long. But most of the time I am handed Suresh Vina Oct 22, 2021 4 min read
Terraform Terraform Data Sources "Have you ever tried to find a specific book in a library without the help of the librarian or Suresh Vina Jul 8, 2021 3 min read
Cisco Cisco FMC HTTPS Certificate with OpenSSL Problem You want to install HTTPS certificate for the Cisco FirePower Management Centre (FMC) Solution I already have an Internal Suresh Vina Jan 27, 2021 2 min read
NetDevOps Network Configuration Backup with Ansible and Git The typical way you would perform Network Configuration Backup is by using NCM software such as Solarwinds NCM, Rancid, Oxidized Suresh Vina Nov 29, 2020 6 min read
NetDevOps Ansible with Cisco - Part 2 ios_config module Cisco IOS configurations use a simple block indent file syntax for segmenting configuration into sections. Ansible ios_config module provides Suresh Vina Nov 13, 2020 8 min read