Path Trace
If you’ve ever had to trace the actual path a packet takes it can be tedious. There are some great commercial tools out there ...
Finding a Host
I wrote an article a long time ago on how to find out where a host is connected. APIC-EM’s host inventory makes finding a host a ...
Inventory & Config Management
Did you know that APIC-EM inventories your equipment and maintains a copy of the config? If you don’t see the Config header, ...
Troubleshooting Failover on the ASA
When troubleshooting failover on an ASA, there are a couple of spots to pay attention too. However we first need to understand how ...
ZBF and the default security zone
A customer had a hardware failure the other day and I went and replaced the router. It was an ISR4231 and was running Zone Based ...