Tag: Networking

Onyx (MLNX-OS) BIOS Password Reset

Recently I’ve been playing with some Nvidia/Mellanox switches specifically the SN2410. An issue that I ran into was that I didn’t have the BIOS password. All of the documentation says that the default BIOS password is admin. That password did not work on my switch. You can absolutely use the switch even without the BIOS…

Cisco Aironet Won’t Connect to Wireless LAN Controller

I ran into an issue where some older Cisco Aironet APs (Access Points) stopped connecting to a Cisco WLC (Wireless LAN Controller). No config changes had been made and some of the Cisco Aironet APs would connect and some wouldn’t. All of them were the same model, the Cisco Aironet APs were able to ping…

Upgrade Palo Alto Firewall HA Pair (Active/Passive)

Palo Alto has some great documentation about how to do basically everything. Sometimes it’s a bit buried. This is my short and long cheat sheets for upgrading a Palo Alto Networks firewall in an Active/Passive High Availability Pair. Quick Cheat Sheet Long Cheat Sheet Upgrade path and sanity checks For my example FW01 is the…