Packet Capture on a Remote Cisco Device Typically when I need to do a packet capture on a remote Cisco IOS/IOS-XE device, I use RSPAN to mirror that traffic someplace where a VM can receive the capture. This week I learned a trick that allows much more flexibility!...
Portable Internet Service One of our healthcare clients needed a solution for running COVID-19 vaccination clinics in a parking lot or pavilion. They wanted to provide secure connectivity to electronic health records (EHRs) for a team of doctors, nurses and their...
This afternoon we received several reports all at once that the internet was down. Interestingly we were able to reach client locations, all SNMP monitoring looked healthy and no outages were present. We did however notice that bandwidth utilization had dropped to a...
The Cisco ASA firewall can run as virtual host for multiple virtual ASA’s known as contexts. We recently ran into an issue where a memory leak made one context inoperable. Rather than reload the entire ASA and take out the other contexts we wanted to only...
Here are a list of things to troubleshoot when a Ruckus AP is not registering to a Virtual SmartZone (VSZ) cloud controller. Ensure that the public IP address of the site where the AP resides is permitted through the firewall protecting the VSZ. Check that the AP has...
In my first post on showing the client IP addresses through a Barracuda ADC load balancer, I showed how to get Direct Server Return to work for clients on the same network by adding loopback interfaces on the back-end servers. In this post I will discuss a problem...
