Suresh Vina

Introduction This blog post describes how to upgrade Cisco Catalyst C9300 Series Switch using Install mode. The example shows the

In this blog post, I will show you how to send and visualize Cisco ASA syslog in Splunk. Splunk is

In the previous post, we have seen how to get started with Netmiko and send a single command to a

Netmiko a popular Python library used in Network Automation, providing a simple and easy-to-use interface for interacting with Networking Devices.

High Availability is one of the most crucial parts of network operation. In terms of routers and switches, we have

Having the ability to take packet captures directly on the Firewall is a lifesaver during any Network Troubleshooting. In this

This blog post shows how to inject a default route into a normal OSPF area. In order for OSPF to

If you want to use EAP-TLS, EAP-FAST or TEAP as your authentication method for 802.1X then you may need

When I was looking to upgrade the CIMC on the SNS-3515 appliance I was very confused. I couldn't

This blog post focuses on how to configure Logging/Syslog on the Cisco ASA firewalls. Having relevant logs sent out

What if I tell you that only 3 out of 10 ISE admins use AD for ISE admin login (trust

Cisco releases ISE patches occasionally, like 3 or 4 patches a year for each version. The patches contain bug and

If you haven’t heard about Log4j vulnerability, then you must have been living under a rock for the past

I have a Raspberry Pi 4 which I solely use to block ads using Pi-hole. I recently came across a

Prerequisite This blog post assumes you have a basic understanding of Cisco devices and Ansible. If you are not familiar

If you are not familiar with Vagrant, I highly recommend reading my previous Vagrant Introduction post here. Vagrant for NetDevOpsThere

There were many situations in the past where I had to quickly set up a Syslog server or a Radius

Overview You can use TACACS+ to authenticate and authorize users into the F5 BIG-IP system which eliminates the need to