Troubleshooting

February 13, 2020

Palo Alto – Search Filter for Security Polices

There are time I need to search Security rules or NAT’s.  Below is great way to filter in to what you are looking for.  For instance, […]
November 7, 2019

Cisco ASA VPN Timeouts

There are two settings I’d like to write about and those vpn-idle-timeout and vpn-session-timeout. You’ll make changes to both for remote access Anyconnect VPNs but for […]
November 6, 2019

Cisco Nexus Show Commands for High CPU Usage

I ran these on our Nexus 7K switches.
November 6, 2019

Network Speed and Throughput Issues – Some Things to Look For

I wrote a post about using iperf, a tool to test network speed and throughput. I just want to quickly go over some things that could […]
November 5, 2019

Palo Alto Routing Verification Basics

November 4, 2019

Palo Alto User-ID Ignore List Notes

There are times you’ll want to create an ignore list on the Palo Alto. Basically what this is doing it telling the Palo Alto FW to […]
November 1, 2019

Using iperf3 to Help Troubleshoot Speed and Throughput Issues

There are many cool options you can use with iperf but I think it’s important to use multiple simultaneous streams. I’ve seen people use this tool […]
July 5, 2019

Cisco ASA Syslog Messages

Alert Messages, Severity 1 Critical Messages, Severity 2 Error Messages, Severity 3 Warning Messages, Severity 4 Notification Messages, Severity 5 Informational Messages, Severity 6 Debugging Messages, […]
July 3, 2019

Palo Alto Cheat Sheet – VSYS

Find out if the firewall is in multi-vsys mode
July 3, 2019

Palo Alto Cheat Sheet – Panorama

July 3, 2019

Palo Alto Cheat Sheet – User-ID

View all User-ID agents configured to send user mappings to the Palo Alto Networks device:
July 3, 2019

Palo Alto Cheat Sheet – Device Management

Show general system health information. > show system info
July 3, 2019

Palo Alto Cheat Sheet – Networking

General Routing Commands
June 19, 2019

Cisco Error Disabled Ports

=====Verify port status: show int status show interfaces Gi1/0/1 status
February 26, 2019

Microsoft Windows Server 2016 with Multiple IPs Assigned to a Single Interface

First, I try to avoid this whenever possible. I don’t like the idea of having multiple IP’s on one NIC interface. But there are environments that […]