I was trying to update HTTPs certificate on FirePOWER Management Center (FMC) and ran into issues doing it on GUI and CLI. Before making any changes backup default certificate and key from /etc/ssl location The error I got was Error – Basic constraints are not critical or not defined. There …
Category: Cisco
One day received fan speed is running high alert: Warning Hardware Alarms:1 xx 08:21:04 FAN1_TACH2 fan speed is running high Run Events Graph Suspected high temperature but was not sure how to check it without running troubleshooting bundle. Here is a quick command to check temperature and other useful parameters …
Unfortunately, there is no easy button on this one. Migrating to new hardware model of Firepower Management Center (FMC) is a manual and very time-consuming process so my goal is to highlight the steps I had to go through as I’ve converted to different hardware model due to IPS limitation. …
After migration from Catalyst 3750-X to 9300 switch all of a sudden OSPF adjacency to ASA was not establishing. Since configuration did not change I started debugging it. Switch side was stuck in “INIT/DROTHER” state. ASA side had no neighbors. “Show OSPF” indicated that Area BACKBONE(0) was (Inactive). The interface …
Came across this issue where application performance was poor and pings were hitting 500ms. At first I blamed it on FirePOWER module and of course disabling it fixed the issue. However, when I looked at CPU utilization on ASA (with FirePOWER off the policy-map) it was still sitting between 70-80%. …