One of the Cisco Firepower Threat Defense (FTD) units in HA cluster experienced multiple failures related to hard drive malfunction which required rebuilding unit from scratch. Here are some of the pain points I had to go through to get new appliance back online and clustered. Formatting the drive failed …
Category: Cisco
I’ve noticed this interface banner on ASA5508-X while investigating reports of users being disconnected. CRC errors indicated the issue but it was unclear if it is hardware or perhaps a patch cable related. sh int gigabitEthernet 1/1 Interface GigabitEthernet1/1, is up, line protocol is up # Attention: This interface is …
The pxGrid technology was out for a while so I did not expect to run into any major issues. I’ve followed this guide but was very confused about pxGrid integration into existing ISE deployment and making it work with FirePOWER. So I’ve created this post for references and maybe it …
In Cisco ISE version 2.3 Policy interface changed dramatically introducing significant learning curve especially for people used to work with the older version. One of the questions I had after migration from 2.x to 2.3 was how do you edit migrated Library Conditions. Prior to 2.3 you would select condition …
I’ve noticed an odd error where my public certificate had incomplete certificate chain. This may cause issues with PxGRID integration and BYOD provisioning. Both Intermediate and root certificates were present in the trusted certificate store however there appeared to be 2 primary roots and one of them obviously is incorrect …