I was recently doing some labbing of APIC-EM and IWAN deployments. I got to the point where my HUB was deployed, and then I attempted to deploy 2 branches but failed. I was getting these errors on my Routers: PKI-3-CERTIFICATE_INVALID: Certificate chain validation has failed%PKI-3-SOCKETSELECT: Failed to select the socket. APIC-EM seems to deploy IWAN …
Category Archives: Other
EVE-NG multi-tab RoxTerm
Here is how I configured support for a multi-tab RoxTerm in EVE-NG native. sudo nano /usr/bin/eve-ng-integration Then find the line that returns your emulator and just replace it with the roxterm line. I commented out konsole and used roxterm. def _terminal_emulator_cmd(self): if self.override_terminal: return self.override_terminal.split() elif self._is_command(‘x-terminal-emulator’): return [‘x-terminal-emulator’, ‘-e’] elif self._current_desktop(‘cinnamon’, ‘gnome’, ‘unity’): return …
RDP error: This could be due to CredSSP encryption oracle remediation.
If you get this error, you need to create this registry key to fix it: You can either download the fix for the .reg file here or create it yourself with the code below RDP CRED SSP FIX REG FILE Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\CredSSP\Parameters] “AllowEncryptionOracle”=dword:00000002
How To Install GNS3 2.1.5 on Fedora 27
How to Install GNS3 2.1.5 on Fedora 27 The first step is to download gns3 v 2.1.5 from their github page. Download GNS3: sudo dnf update -y sudo dnf install wget -y cd /home/user/Downloads wget https://github.com/GNS3/gns3-gui/archive/v2.1.5.tar.gz Step 2 is to extract the file we downloaded and the run the build and install. Extract it to …
Explanation of how IP ECN and TCP ECN interact
How the IP ECN bits and the TCP ECN bits interact You may have noticed that both the IPv4 and TCP headers feature fields talking about ECN. Here’s the IPv4 header. Here’s the TCP header. These interact in a very strange way, but it makes sense once you understand it. 1. Two IPv4 hosts …
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How to Configure Voice QoS on a Meraki Network Step By Step
Meraki Step By Step QoS Configuration The goal of this post is to give you a general overview of what a full QoS configuration on meraki gear consists of. There may be some tailoring you should do in your environment to have it fit better. First let’s take care of the layer 3 part. …
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