taslabs-net

PVE 9.1.1 TB4 + Ceph Guide

Updated as of: 2025-11-19 - Network architecture corrections applied

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Network Architecture (UPDATED)

Cluster Management Network: 10.11.11.0/24 (vmbr0)

• Primary cluster communication and SSH access

scyto

Thunderbolt Networking

this gist is part of this series

you wil need proxmox kernel 6.2.16-14-pve or higher.

Load Kernel Modules

• add thunderbolt and thunderbolt-net kernel modules (this must be done all nodes - yes i know it can sometimes work withoutm but the thuderbolt-net one has interesting behaviou' so do as i say - add both ;-)
  1. nano /etc/modules add modules at bottom of file, one on each line

2. save using x then y then enter

triangletodd

On the host

Ensure these modules are loaded

cat /proc/sys/net/bridge/bridge-nf-call-iptables

Disable swap

sysctl vm.swappiness=0
swapoff -a

ipedrazas

Debugging in Kubernetes

"How do you debug applications running in Kubernetes?"

The strategy to successfully debugging applications in kubernetes is to be consistent with your approach: application to public traffic or public traffic to application.

The question as it is it's very generic, however, let's see the different components we might have to check in our debugging journey:

• Container/Pod
• Service