She then rerouted the core switch’s default gateway via OSPF to point to the new virtual MAC. Traffic flowed.
She clicked download. The progress bar inched forward. 2%. 7%. 12%. download pa-vm-esx-10.0.0.ova
Maya stared at the blinking cursor on her terminal. It was 11:47 PM. The corporate VPN was holding steady, but the Palo Alto Networks support portal felt like it was loading in slow motion—each icon appearing one agonizing square at a time. She then rerouted the core switch’s default gateway
set deviceconfig system ip-address 10.99.10.5 netmask 255.255.255.0 default-gateway 10.99.10.1 commit Then she opened a browser to https://10.99.10.5 . The PanOS login screen materialized like a ghost. Clean. Version 10.0.0 confirmed. The progress bar inched forward
She moved the .ova to her vCenter datastore via SCP, then fired up the vSphere Client. → Local file → pa-vm-esx-10.0.0.ova .
The project was called "Fortress Fallback." Her company’s physical Palo Alto PA-5220 firewall had started throwing uncorrectable ECC memory errors three hours ago. The replacement wouldn't arrive until Tuesday. It was Friday night. If that chassis failed during the weekend sales push, the entire e-commerce backend would go dark.
It wasn't just software. It was a contingency plan that worked.