We Lost Internet at a Bank – And DHCP Wasn’t the Problem...
What started as a simple connectivity issue turned into a full-on nightmare involving SD-WAN, ASA firewalls, asymmetric routing, and a 300-day-old ghost session. If you’re getting into IT or want to see what real troubleshooting looks like in the field, this one’s for you.
✅ Learn how DHCP relay really works
✅ See how firewalls silently kill traffic
✅ Understand why textbook fixes aren’t always enough
🧠 This is what working in IT is actually like.
#sysadmin #DHCP #networking #techsupport #ITcareer #realIT #nightmareticket
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