In this post, I’ll write about my experience with Sourcefire 6.0 upgrade. Upgrade file became available on 11/11/2015 and at the time of writing it’s been out for a few month which is “theoretically” enough time to consider a cautious transition from 5.4.x into 6.0 environment. Components: Cisco Sourcefire Defense …
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In this post I’ll cover the steps you can take to troubleshoot Cisco ISE posture update failures or client package download errors. You may see these errors on fully functioning system post major upgrade or after importing trusted root/intermediate certificate. Error messages will be different but they all will indicate …
Recently I had to upgrade Cisco Ironport ESA from 9.1 to 9.7.0. As we know during the upgrade machine gets disconnected from the cluster and later needs to be joined back in manually. Upgrade took place as expected without any issues, machines reconnected back to the cluster but CONNSTATUS command …
Replacing SSL certificate on Ironport appliance can vary based on the model. In addition, once the certificate is installed you will need to make sure and update configuration everywhere it is applicable. Last time I’ve checked Cisco documentation was not very keen on it so when it came time to …
Recently I had to apply the first patch on Cisco ISE 2.0 production installation. I was concerned a bit as it was to restart the services on all nodes and I was not sure if it will do it one at a time and in what order. The following information …