APIC-EM IWAN DEPLOYMENT FAILURE ERRORS: PKI-3-CERTIFICATE_INVALID and %PKI-3-SOCKETSELECT

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 …

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 …

Cisco ISR 4k BFD Session Host: Software

While deploying BFD on some ISR 4k's I noticed this "Session Host: Software". It turns out that BFD Echo mode is not hardware offloaded on these ISR 4K's, only the Control packets are. Although the echo packet is routed via CEF on the neighbor, when it comes back to us we process it in software. …

How to route between VRFs on a Cisco router

This guide is the simplest way to route between 2 VRFs on a Cisco router. I didn't invent this method as someone showed it to me. Here's the GNS3 project + images if you want to follow along. https://upw.io/3uh/route-between-vrfs.gns3project   Essentially IOU1 is the client with 192.168.1.1, and the default gateway is IOU2. IOU2 PATs …