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 …

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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

Nexus 7k – show running-config aclmgr inactive-if-config for SVI ACL

I recently ran into an issue where I was preparing for a 7k ISSU. One of the first steps in the document from Cisco talks about running "show running-config aclmgr inactive-if-config". After I ran this I noticed that it listed an SVI with an ACL as inactive. After running "show interface vlan X" I saw …

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Cisco FTD SCEP enrollment via AD CA NDES Server

I recently had a client that setup a CA and NDES server. They wanted to have their FTDs auto-enroll in the AD CA certs. They had followed this PETENETLIVE article to get NDES and AD CA setup. I won't rewrite this article, I'll just link to it. Essentially all you need is a Domain joined …

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ASA Cluster and Active/Active Failover in GNS3

Here is how you can run an ASA Cluster and Active/ACtive Failover in GNS3: I did not make these files but I will share them here: Download the .gns3a appliance and load it into GNS3 Unzip the .7z file and select the hard drive when loading the appliance https://upw.io/3tp/ASA-Cluster-Appliance.gns3a https://upw.io/3to/ASA_with_clustering-915-16-Clustering_Security_Contexts_Enabled.7z