The other day we had a problem with our upgrade from Exchange 2010 to 2016. We are currently running an ASA5510 in our development site which needs cross-site connect via eSMTP to our production site running an ASA5520. For the most part, the upgrade went pretty well. However, a few days passed and I overheard […]Read more "ESMTP TLS and Cisco ASA Issues | Disabling SMTP Fixup"
SAN zone create for Cisco MDS series switch using the CLI commands We have two new ESXi host that need storage mapping to our Dell Compellent SAN. Each ESXi host is dual port 8Gb HBAs. We have two separate fabric zones (vSAN 20 and vSAN 21). This way in a HA fail-over only one switch needs to […]Read more "Adding ESX host to Cisco (vSAN) Fiber Channel Switches (MDS 9000)"
Cisco IOS-XE No Longer Uses Trunk Encapsulation Dot1q I have a pair of Cisco Catalyst 3650X-48TS switches running IOS 12.2(55) and when using trunk encapsulating dot1q from the router to the switch, and then, to the client, Cisco decided to change the commands. For example, I want to pass two VLANs from the switch to my ESXi […]Read more "Cisco IOS XE Release 3.6E (Catalyst 3650 Switches)"