Entries by Mark


Understanding AWS – Internet Gateways (IGW)

To provide internet access from a VPC Amazon provide a service called Internet Gateway.  Internet Gateways are Amazon operated and managed and provide a horizontally-scalable, redundant and highly available method of accessing the internet.  Internet Gateways provide internet access using both IPv4 and IPv6 addressing.  To provide internet access from a VPC you must create […]


Understanding AWS – Virtual Private Cloud (VPC)

Virtual Private Cloud (VPC) is the networking construct for Elastic Cloud Compute (EC2).  With a VPC you can create a virtual network within AWS.  When creating a VPC you are able to configure certain elements such as routing tables, network gateways, subnets and controlling access using ACLS or Security groups.  It is possible to create […]


AWS Direct Connect Gateway: An Overview

Amazon web services (AWS) and the features available are advancing and evolving at a very fast pace to keep up with the demands of the next generation of technological requirements. Essentially, AWS services are services that are customized and tailored to solve business enterprises ongoing cloud computing challenges when it comes to moving data and […]


Microsoft Announce Azure Virtual WAN and Azure Firewall

Microsoft has just announced the public preview of Azure Virtual WAN and Azure Firewall.  Microsoft is looking to leverage the current trend of SDWAN and its performance improving path selection capabilities to give customers optimised access to Azure; whilst at the same time offering solutions to simplify branch connectivity and security thus reducing complexity and […]


AWS Direct Connect

AWS Direct Connect is a dedicated network connection from your premises (office, DC, Co-Lo) to AWS.  With AWS Direct you get private semi-secure network connectivity whilst also reducing your network costs, increasing network throughput and experiencing more consistent network performance (latency, Jitter, loss) than IPSEC VPN solutions across the internet. AWS has a number of […]

Cisco 2900 ISR Password Recovery

This article explains the steps to recover the enable and secret passwords.  The enable password password can be recovered, but the enable secret password must be replaced with a new password. Switch off or shut down the router Remove the compact flash that is on the back of the router Power on the router Once the router is on […]