Python Using Python to track down switch ports from the ARP table Recently, I came across a task where I had to track down the switch ports the devices are connected to Suresh Vinasiththamby May 20, 2022 5 min read
Python Python Network Automation with Netmiko - Part 2 In the previous post, we have seen how to get started with Netmiko and send a single command to a Suresh Vinasiththamby May 7, 2022 5 min read
Python Python Network Automation with Netmiko - Part 1 Let me preface by saying that I'm not a Python expert by any means but I have a basic understanding Suresh Vinasiththamby May 6, 2022 9 min read
Firewall A simple guide to Palo Alto Active/Passive HA High Availability is one of the most crucial parts of network operation. In terms of routers and switches, we have Suresh Vinasiththamby Apr 26, 2022 7 min read
Cisco Cisco ASA AnyConnect VPN Example In this blog post, we will learn how to configure Remote Access VPN with Cisco AnyConnect. The configuration steps are Suresh Vinasiththamby Apr 14, 2022 14 min read
Cisco Cisco ASA NAT Example In this blog post, we will go through the Cisco ASA NAT configuration examples. We will mainly be focusing on Suresh Vinasiththamby Mar 24, 2022 6 min read
Cisco Cisco ASA Packet Capture Having the ability to take packet captures directly on the Firewall is a lifesaver during any Network Troubleshooting. In this Suresh Vinasiththamby Mar 19, 2022 5 min read
Cisco OSPF default-information originate This blog post shows how to inject a default route into a normal OSPF area. In order for OSPF to Suresh Vinasiththamby Mar 13, 2022 6 min read
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 Vinasiththamby Feb 19, 2022 3 min read
Cisco Configuring AAA on Cisco devices using TACACS+ In this blog post, we will discuss how to configure authentication, authorization and accounting on Cisco devices using the TACACS+ Suresh Vinasiththamby Feb 16, 2022 7 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 really find Suresh Vinasiththamby Feb 9, 2022 4 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 Vinasiththamby Jan 20, 2022 8 min read