Firewall FortiGate Dual ISP SD-WAN Configuration Example Recently, I was helping a friend with his FortiGate deployment. One of the tasks we tackled was setting up load-balancing Suresh Vina Jun 11, 2023 4 min read
Firewall Fortinet Stack Configuration (FortiGate, FortiSwitch and FortiAP) Recently, I had the opportunity to help a friend set up and manage a network using Fortinet's FortiGate Suresh Vina Jun 10, 2023 6 min read
Cisco Cisco ASA Packet Tracer Encrypt Type:VPN Result:Drop Setting up a site-to-site VPN is easy on the ASA, but the problem starts when the tunnel doesn't Suresh Vina Jun 8, 2023 4 min read
Cisco Cisco ASA VPN Troubleshooting and Debugging Setting up a site-to-site VPN is easy, but the real hard work starts when the tunnel doesn't come Suresh Vina Jun 7, 2023 11 min read
Python Palo Alto Netmiko Example Overview Netmiko, a popular Python library used in Network Automation, provides a simple and easy-to-use interface for interacting with Networking Suresh Vina May 1, 2023 5 min read
Terraform Palo Alto Automation with Terraform Oh boy, as Network Engineers we have been learning so many new things lately, it's like we' Suresh Vina Apr 12, 2023 13 min read
Cisco Cisco ASA Site-to-Site VPN In this blog post, let's have a look at how to configure a Site-to-Site VPN on Cisco ASA Suresh Vina Apr 11, 2023 9 min read
ISE Configuring Palo Alto Administrator Authentication with Cisco ISE (Radius) Overview You can use Radius to authenticate users into the Palo Alto Firewall. You can also use Radius to manage Suresh Vina Apr 5, 2023 8 min read
Firewall What is Zero Trust Security? Ah, Zero Trust. The magical cybersecurity 'thing' that everyone talks about but seems as hard to decipher as Suresh Vina Apr 4, 2023 4 min read
Palo Alto Palo Alto User-ID for Beginners Overview One of the best features of the Palo Alto firewall is hands-down User-ID. In simple terms, User-ID maps an Suresh Vina Mar 19, 2023 3 min read
Juniper Juniper SRX NAT configuration Example In this blog post, we will go through the Juniper SRX NAT configuration examples. We will mainly be focusing on Suresh Vina Jan 13, 2023 10 min read
Python Python Pandas for Network Engineers Overview As a network engineer, I often find myself working with CSV files on a daily basis. For example, if Suresh Vina Jan 6, 2023 7 min read
Firewall Site-to-Site VPN between Palo Alto and Cisco ASA What if I tell you that configuring a site-to-site VPN between Palo Alto and ASA is easier than you may Suresh Vina Nov 12, 2022 7 min read
Cisco Cisco ASA Route-Based (VTI) VPN Example If I remember correctly, Cisco introduced Virtual Tunnel Based (VTI) VPN back in 2017 with a 9.7.1 code Suresh Vina Nov 12, 2022 6 min read
Cisco Cisco ASA Active/Passive Failover Configuration Example Overview High Availability is one of the most crucial requirements for a smooth network operation. In terms of routers or Suresh Vina Oct 24, 2022 10 min read
Palo Alto Panorama Device Groups and Templates (with examples) Overview People who follow my blog may probably know that I'm a big fan of Cisco ASA firewalls Suresh Vina Sep 20, 2022 8 min read
Palo Alto Palo Alto DNS Proxy (with Examples) Overview You can configure the Palo Alto Firewall to act as a DNS server. All the clients' DNS will Suresh Vina Aug 23, 2022 4 min read
Cisco Cisco ASA Syslog with Splunk In this blog post, I will show you how to send and visualize Cisco ASA syslog in Splunk. Splunk is Suresh Vina May 10, 2022 6 min read