Questions tagged [weave]

Weave is an open-source overlay network solution for software containers like Docker and kubernetes.

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Very poor performance on Kubernetes with 100GbE network

we are using ConnectX-5 100GbE ethernet cards on our servers which is connected one to each other trough the mellanox switch. And we are using weavenet cni plugin on our Kubernetes cluster. When we ...
0 votes
1 answer
194 views

kubeadm based kubernetes Get "https://10.96.0.1:443/api?timeout=32s": dial tcp 10.96.0.1:443: connect: no route to host

I have deployed a kubeadm based kubernetes cluster v1.24.3 which consists of one control-plane node and 3 worker nodes (all Centos 7 VMs). These are all "on premises" on a single physical ...
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1 vote
0 answers
2k views

Pod coredns stuck in ContainerCreating state with Weave on k8s

First of all, let me thank you for this amazing guide. I'm very new to kubernetes and having a guide like this to follow helps a lot when trying to setup my first cluster! That said, I'm having some ...
  • 113
2 votes
1 answer
5k views

coredns pods stuck in Pending state

I'm trying to learn k8s and since I happen to have access to OpenStack cloud I figured I'll try to install k8s on it, following this wiki. So far I was able to initialize cluster, install weave CNI, ...
0 votes
1 answer
2k views

Unable to deploy Weave CNI - PODs in CrashLoopBackOff state

(This questions has been moved from Stackoverflow) First I apologize for the lengthy entry but I think its better to give as much detail as possible. Host OS: Win10 Guest OS: Ubuntu 20.10 (Groovy) ...
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0 votes
1 answer
488 views

Packet fragmentation from within Kubernetes containers

I have a single node Kubernetes cluster running on RHEL 7. I also have a Windows Server 2019 server. Both the Windows and RHEL servers are virtual machines on the same host. When I sit at a command ...
1 vote
0 answers
1k views

Kubernetes: Route egress traffic through different pod

I currently have a docker-compose setup with one container running an OpenVPN client and some containers behind it using --net=container to attach to the network stack of the OpenVPN client container ...
  • 11
0 votes
1 answer
155 views

New Kubernetes with Weave cluster... All ports except 80 blocked

I have recently set up Kubernetes 1.12.1 with Weave (1 master and 2 hosts on bare metal Ubuntu VMs). I'm trying to make outbound connections from pods to send email (SMTP), but it appears that all ...
  • 103
5 votes
1 answer
2k views

Configuring Kubernetes Service as a UPnP Device

Problem I have set up a two-node bare-metal kubernetes cluster configured with weavenet and metallb. I would like services hosted on this cluster to discover and interact with UPnP devices on my home ...
0 votes
0 answers
86 views

Adjust timeout of Weave overlay network when getting disconnected

I just ran an experiment to find out how long it takes Weave to recover from a broken connection. In my test setup node A is connected to node B through two paths. Path 1 has one hop and path 2 has ...
  • 357
0 votes
1 answer
320 views

Retrieving Weave routing information

I am using Weave Net to connect my Docker containers across different hosts. Weave is making use of "Fast Datapath" which handles the routing in Kernel Space (inside the OVS (Open vSwitch) Module as ...
  • 357
1 vote
0 answers
112 views

How to check weave router ip for k8s nodes?

Every k8s node have individual ip, which is router for all dockers running on it. Is there any way to check by api (k8s, weave, etc...) - ip's of others nodes? I can run of course docker on every ...
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