Enabling Mini Jumbo Frames (RFC4638) on OpenReach FTTC

I swapped out my single Fortigate 100D at home a while back for a cluster of two in active/passive, as part of this migration, that I have written about before I needed to terminate any DHCP or PPPoE interfaces on a different piece of kit than the clustered firewalls. I have had this in the lab for a while on a Cisco 2811 router set up pretty much exactly like I had in the previous article....

August 28, 2016 · Myles Gray

Deploying Cisco VIRL on VMware Workstation – Caveats

I recently tried to deploy Cisco VIRL on VMWare Workstation 10 - the install instructions ↗ are for v8 - there are a few differences I noted. It doesn’t account for the host-only network installed by default so increment all vmnets by 1 The labelling for VT-x/EPT has changed, it now lives under Settings -> Hardware -> Processors -> Virtualisation engine -> Preferred mode: You need to explicitly select Intel VT-x/EPT or AMD-V/RVI mode...

December 3, 2014 · Myles Gray

Serial and USB Console on Mac OSX

Obviously nowadays when admining we mostly have laptops - laptops don’t tend to come with serial I/O ports anymore, so you buy a Serial -> USB adapter, say this one ↗ or any one with a legit (there are fakes) FDTI FT232RL chipset. Download and install the relevant drivers but where do we go from here? Specifically on mac, find your device’s tty name: cd /dev ls -ltr *usb* I added a handy little alias to my...

September 11, 2013 · Myles Gray