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…
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…
Recently I needed to upgrade a Cisco Unified Computing System (UCS) system and while Cisco does have documentation about it. The process can be scary and could use more screenshots. Here is my step by step guide on how to upgrade a Cisco UCS via the Firmware Auto Install with the Cisco UCS Manager. Fully…
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…
I have been playing around with Policy mode on the FortiGate and an issue that I’ve ran into a few times is if you have something hosted internally that also needs to be accessed externally it doesn’t work internally when you use the external address, for example a reverse proxy. In my setup I use…
Something that’s annoyed me with FortiGates is that viewing the deny logs isn’t super straight forward. Part of the issue is the fact that Fortinet disables the deny log by default and if you don’t know where to look for it you might not figure it out by clicking around. Fortinet says that they have…
I’ve been playing with a Brocade ICX 6650 in router mode and got hung up on making the second VLAN on another Virtual Ethernet talk to the internet. I’m posting this so I don’t forget how to do it later on lol. Your default VLAN of 1 is on Virtual Ethernet 1 and because that’s…
