Troublshooting %VOICE_IEC-3-GW: SIP: Internal Error (1xx wait timeout): IEC=1.1.129.7.65.0
So this one was a doozy! I get a call from helpdesk advising me that some voip…
Setting up a Linux Network Probe with Cisco RSPAN
In this tutorial I will go over the steps to setup an Ubuntu network probe hosted on…
SMBGhost CVE-2020-0796 Remote Command Execution Demo
Back in March Microsoft released a patch for KB4551762 / CVE-2020-0796, dubbed ‘SMBGhost’ the vulnerability affects Windows…
Cisco RTMT – Installer User Interface Mode Not Supported
Last week I was working with Cisco TAC on a voice case that involved the use of…
Getting Started with Cisco Modelling Labs 2 Personal Edition
The long awaited successor to Cisco VIRL dropped last week. Say hello to Cisco Modelling Labs 2.0!…
Removing “esx.problem.hyperthreading.unmitigated” Message
This message appears if your ESXi > 6.x host has hyperthreading enabled and is vulnerable to the…
Running A Nested Cross VCenter NSX-V 6.4 Lab
During the COVID-19 lockdown I’ve had some time to finally learn and build a cross site “routed”…
How to Run ESXi 7.0 on Unsupported CPU’s
Recently VMware released ESXi 7.0 and finally deprecated support for 1st generation Intel CPUs (Westmere). This is…
How to Manage NBN Modems in Bridge mode
In a previous post I detailed how to setup ECMP with multiple ISP connections. One of the…