Suresh Vina

By default, instances that we launch into an Amazon VPC can't communicate with our on-prem network. We can

In the previous post, we discussed Type-4 and Type-5 LSAs. This article focuses on Stub and NSSA areas. I highly

In the previous posts, we discussed Type-1, Type-2 and Type-3 LSAs. This article focuses on Type-4 and Type-5  LSAs. This

Problem When attempting to copy file via FTP to a Cisco Switch you see the following error cisco-3850#copy ftp

In the previous posts, we discussed about Type-1, Type-2 and Type-3 LSAs. This article focuses on OSPF Route summarization. I

In the previous post, we discussed about the single-area OSPF and Type-1, Type-2 LSAs. This article focuses on multi-area OSPF

In this blog post, I will go through Junos Single area OSPF configuration and verification using Juniper vLAB Sandbox. Interfaces

In this blog post I will show you how to configure site-to-site VPN between AWS VPC and Palo Alto Firewall.

What are VPN filters? VPN Filters consist of rules that determine whether to allow or reject tunnelled data packets that

AWS Transit Gateway (TGW) is a service that enables customers to connect their Amazon VPCs and their on-premises networks to

Cisco ISE  Upgrade Readiness Tool (URT) helps detect and fix any data upgrade issues before you start the upgrade process.

I have been working with Nexus for a while and picked up some really useful commands. I use these commands

Dynamic access policies (DAP), a new feature introduced in software release 8.0 code of the ASA, enable you to

There are thousands of commands available on the Cisco ASA. I found some of the commands very useful when troubleshooting.

Cisco Virtual Internet Routing Lab (VIRL) is a multi-purpose network virtualization platform that provides an easy way to build, configure,

AWS defines flow log as: > VPC Flow Logs is a feature that enables you to capture information about the

Amazon Elastic Block Storage provides durable, persistent block-level storage. AWS EBS is designed to be used with EC2 instances, connected

I recently passed the AWS Certified Solutions Architect - Associate exam and I want to share my experience and exam