Troubleshooting Tricks for Orbi Networks

Troubleshooting Tricks for Orbi Networks

I love a good troubleshooting challenge. But damn, this one had me stumped until I could pull back the covers of my Orbi system to discover the root cause.

Background:

I have a vmWare ESXi hypervisor in my home lab. The ESXi system is trunked up to a Ubiquiti router that is handling inter-vlan routing and has my Orbi base station set as the default gateway. 

Home Network

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Firepower FlexConfig – A Practical Example

Firepower FlexConfig – A Practical Example

Managing Your Firepower Appliance

If you are running a Firepower NGFW appliance from Cisco, you have two options to manage the device:

  • Firepower Device Manager (FDM) – An on-box GUI and set of APIs to directly control a Firepower appliance.
  • Firepower Management Center (FMC) – A management station used to control a collection of Firepower appliances and collect, correlate, and report on events generated by the Firepower appliance.

(At least today) These two options to manage your Firepower appliance are mutually exclusive; you can use one or the other. This article is focused on using the FlexConfig feature in FDM. Read more

Installing GNS3-Server on Ubuntu 18.04 LTS (Bionic Beaver)

Installing GNS3-Server on Ubuntu 18.04 LTS (Bionic Beaver)

So, I attempted to use the apt-get binaries to install gns3-server on Ubuntu 18.04 LTS (Bionic Beaver). The issue I ran into is that the package is linked to a specific version of python3. The installation was linked to the python3 version 3.5 libraries as evidenced by the output:

cp: cannot stat '/usr/bin/python3.5': No such file or directory

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GNS3 – Slow Connection to Cloud [SOLVED]

GNS3 – Slow Connection to Cloud [SOLVED]

So, in connecting my virtual gns3 network to my local, physical lan, I found the connection speeds to be abysmal. Host to host speeds within the virtual network were good but communicating from a virtual host to a physical host had speeds around 10kbps.

Some poking around on Google revealed that this is a common problem. I was able to solve this by following the advice in this article. Read more