TLS redirect security
A note on HTTP-to-HTTPS redirects, what they help with, and where they fall short as a TLS migration strategy.
Browsing tag: networking
Troubleshooting LLDP
A practical LLDP troubleshooting note for checking what hosts and switches are really advertising.
nsxchecker: Verify the health of your NSX network
Introducing nsxchecker, a Python tool for quickly checking the operational health of NSX logical networks.
Upgrading Open vSwitch
Notes from upgrading Open vSwitch and the operational care needed around networking changes.
StatsD and multiple metrics
A quick StatsD note on sending multiple metrics efficiently from operational tooling.
The Host Network Stack
A look at the host network stack and the operational details that matter when debugging virtual networking.
Network wiring with XenServer and Open vSwitch
The startup path for a Nova VM on XenServer and the Open vSwitch wiring that happens underneath.
Deep Dive: HTB Rate Limiting (QoS) with Open vSwitch and XenServer
A scratchpad-style deep dive into how Open vSwitch and Linux HTB expose rate limits for XenServer virtual interfaces.
How We Found Our Virtual Networking Mojo
How we worked through early VMware networking assumptions and got to a better ESX host network design.