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Questions tagged [ipvs]

14 questions
2
votes
0 answers

Migration of IP Multimedia Subsystem(IMS) for VoLTE in Kubernetes (Issue with Cross Port Services)

As per 3GPP specifications, the UE(Mobile) should send the first REGISTER request over unsecured port of P-CSCF which is 5060 and the subsequent REGISTER request should be sent on the different port(secured port of P-CSCF) which is received in the…
rizwan alam
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2
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1 answer

How to load ip_vs module successfully?

I write the following content to /etc/modules-load.d/ipvs.conf ip_vs ip_vs_rr ip_vs_wrr ip_vs_sh nf_conntrack_ipv4 Then I execute sudo systemctl restart systemd-modules-load.service. However, its error shows, Job for systemd-modules-load.service…
si yan
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2
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Pods not getting schedueld/assigned ip address on the new node added to k8s cluster using kubespray

Used kubespray to add worker node to existing cluster. The node joined to the cluster but new pods schedueld on the nodes are failing with error "get https://10.233.0.1 : dial tcp 10.233.0.1: 443 connection refused" Network plugin -…
Pushpa
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1
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get original dst failed in container

I am designing an http service and need to get the real destination IP. The network on the host looks like this（just like k8s kubeproxy doing）： traffic arrived host -> host ipvs -> docker bridge -> container My service(golang) runs in container,…
firsy
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1
vote
1 answer

kubernetes kube proxy mode(which one IPVS,iptables or userspace)

how can i check if my kube-proxy is run in IPVS mode? kube proxy run in three diffrent mode, but my question is how to check in which mode my kube-proxy is runnig?
vahid ghadimi
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UDP packet does not gets distributed in rr fashion in IPVS mode in K8S

I am running a kubernetes cluster with ipvs mode rr scheduler. I want to set the Udp time out of ipvsadm to zero, but the minimum value permissible for udptimeout is 1. (ipvsadm --set 900 180 1) Can anyone help as I am unable to distribute Udp…
Piyush Badkul
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1
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1 answer

What does it means "can't set sysctl net/ipv4/vs/conn_reuse_mode" when set ipvs mode whith k8s?

When I modify kube-proxy mode from iptales to ipvs, after restart the kube-proxy, "kubectl logs kube-proxy" return the following error: server.go:485] unable to create proxier: can't set sysctl net/ipv4/vs/conn_reuse_mode: open…
juzip
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1
vote
1 answer

Balancing traffic using least connection in Kubernetes

I have a Kubernetes cluster with a deployment like the next one: The goal here is to deploy an application in multiple pods exposed through a ClusterIP service named my-app. The same deployment is made in multiple namespaces (A, B and C), changing…
David Moreno García
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k8S Ingress and IPVS

I am new to k8s, and I have a question regarding the use cases of ingress and IPVS. According to what I have read in several articles on the internet, ingress is used for load balancing in north-south traffic toward pods. There are several…
Dimmy Sarris
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Azure kubernetes service (AKS) , load balancer with least Connection

I need to make a load balancer that works based on the "Least Connection" , here is the documentation on the Kubernetes website : https://kubernetes.io/docs/concepts/services-networking/_print/#proxy-mode-ipvs Look like I need to use IPVS (proxy…
Farzad J
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1 answer

Kube-proxy with IPVS mode doesn't keep a connection

I have a k8s cluster with an ipvs kube-proxy mode and a database cluster outside of k8s. In order to get access to the DB cluster I created service and endpoints resources: --- apiVersion: v1 kind: Service metadata: name: database spec: type:…
Al Ryz
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IPVS stickiness in case of many clients can be hidden behind a single IP address

I am using minikube cluster on AWS instance. I have replaced IPVS with iptables within kube-proxy to achieve session affinity. IPVS source hashing algorithm is used to achieve session affinity, now to my understanding, the source hashing algorithm…
zuri_nahk
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How do I automatically update ipvs information?

I am using kubernetes and using kube-proxy mode as ipvs(scheduler: lc). ipvsadm table information is not updated when pod is increased(replicas). Therefore, in order to load balance with the new pod, the service must be deleted and regenerated. Is…
김관응
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1 answer

Why does the ipvs scheduler keep coming back to rr?

I have one k8s-master, one k8s-workernode. I created 3 pods, 1 deployment, 1 service(type=ClusterIP). And kube-proxy-mode was modified to ipvs. Fixed cluster IP from rr to lc. (ipvsadm -E -t {ClusterIP:Port} -s lc ipvsadm-save ipvsamd-Ln) However,…
김관응
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