Terraforming an F5 Cluster into Azure with pesky DO

Thursday, 23 Mar 2023

Using Terraform and fighting Declarative Onboarding (DO) to create an F5 HA Cluster in Azure

Juniper SRX Filter-based Forwarding (FBF) Policy Based Routing

Thursday, 15 Sep 2022

Doing Policy Based Routing on the Juniper Junos SRX Firewall

Juniper SRX Overlay and Underlay VRF-seperated GRE Tunnels

Saturday, 22 Aug 2020

Making Juniper Junos GRE Tunnels play ball with differing VRF Routing Tables

WiPi Monitoring with a Raspberry Pi WLAN Device

Saturday, 04 Jul 2020

Using a Raspberry Pi as a WiFi Monitoring Tool

What happened to the OpenFlow dream?

Wednesday, 29 Apr 2020

Where did OpenFlow go in the Enterprise and what's next for us?

Hitlessly change a Cisco switchport from an Access to a Trunk Port in Production

Monday, 27 Apr 2020

Using the Trunk Native VLAN feature to hitlessly change a Cisco Access Port

Getting VIP and Server Farm stats from a Cisco ACE Load Balancer

Sunday, 15 Sep 2019

A PHP script to scrape VIP and Server Farm Stats from a Cisco ACE Load Balancer

Network Billy - The world's greatest crap-looking SNMP Upload and Download tool

Monday, 08 Jul 2019

Network Billy the Kids is the best Cisco SNMP Tool in the world, but it looks awful

Disappearing DNS entries when your CNAME TTL differs from your PaaS Provider's

Saturday, 26 Jan 2019

Disappearing DNS Recursive Responses when your A Name TTL is worse than your CNAME TTL

Remotely changing the Management SVI on a Cisco 3524XL

Friday, 25 Jan 2019

Remotely swapping the Management SVI of a Cisco 3524XL

When BGP AS-Override goes the wrong way

Sunday, 13 Jan 2019

Why BGP AS-Override works the wrong way-around from what you might expect

Making BlueCoat ASG use one Forwarding VIP for multiple TCP Services

Friday, 07 Sep 2018

Configure BlueCoat ASG to use a single Forward Proxy VIP for multiple TCP ports

When BGP SoO Site of Origin goes the wrong way

Sunday, 12 Aug 2018

Why BGP Site of Origin SoO works the wrong way-around from what you might expect

The difference between BGP RD and RT

Friday, 10 Aug 2018

The difference between MP-BGP Route Target and Route Descriptor

Use fallocate and SCP to quickly test Cisco network throughput

Monday, 16 Apr 2018

Using SCP (SSH File Transfer) to throughput test from a Linux Server to a Cisco Router or Switch

Just tweak the setting on the doofer...

Saturday, 14 Apr 2018

An introduction to the doofer blog, where I'll be blogging about Networking, IT, Cloud, SDN and Technology stuff