# Metallb - Error installing IPAddressPool with MetalLB in IPVS mode

**URL:** <https://discuss.kubernetes.io/t/metallb-error-installing-ipaddresspool-with-metallb-in-ipvs-mode/29315>\
**Category:** General Discussions\
**Tags:** network\
**Created:** [August 7, 2024, 2:30pm UTC](https://discuss.kubernetes.io/t/metallb-error-installing-ipaddresspool-with-metallb-in-ipvs-mode/29315 "2024-08-07T14:30:50Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![klyst](https://avatars.discourse-cdn.com/v4/letter/k/7bcc69/32.png) [@klyst](https://discuss.kubernetes.io/u/klyst)\
**Post date:** [August 7, 2024, 2:30pm UTC](https://discuss.kubernetes.io/t/metallb-error-installing-ipaddresspool-with-metallb-in-ipvs-mode/29315/1 "2024-08-07T14:30:50Z")

</div>

Hello,

I installed MetalLB using the following manifest:

```auto
kubectl apply -f https://raw.githubusercontent.com/metallb/metallb/v0.13.12/config/manifests/metallb-native.yaml

```

My cluster is configured in IPVS mode:

```auto
kubectl get configmap kube-proxy -n kube-system -o yaml | \
sed -e "s/strictARP: false/strictARP: true/" | \
kubectl diff -f - -n kube-system

```

However, when I try to install an IPAddressPool, I get an error:

```auto
apiVersion: metallb.io/v1beta1
kind: IPAddressPool
metadata:
  name: address-pool
  namespace: metallb-system 
spec:
  addresses:
  - 192.168.1.1-192.168.1.254

---
apiVersion: metallb.io/v1beta1
kind: L2Advertisement
metadata:
  name: l2advertisement
  namespace: metallb-system
spec:
  ipAddressPools:
  - address-pool

```

When I apply the configuration, two webhooks seem to reject my configuration:

```auto
kubectl apply -f ipaddresspool.yaml
Error from server (InternalError): error when creating "ipaddresspool.yaml": Internal error occurred: failed calling webhook "l2advertisementvalidationwebhook.metallb.io": failed to call webhook: Post "https://webhook-service.metallb-system.svc:443/validate-metallb-io-v1beta1-l2advertisement?timeout=10s": context deadline exceeded
Error from server (InternalError): error when creating "ipaddresspool.yaml": Internal error occurred: failed calling webhook "ipaddresspoolvalidationwebhook.metallb.io": failed to call webhook: Post "https://webhook-service.metallb-system.svc:443/validate-metallb-io-v1beta1-ipaddresspool?timeout=10s": context deadline exceeded

```

I tried the solution proposed in [this issue](https://github.com/metallb/metallb/issues/1540#issuecomment-1201438782), but the IP AddressPools install, but the external IPs are only accessible internally. I cannot curl my external IP, for example, from my host cluster.

Can you help me resolve this issue?

Kubernetes version: 1.28.2  
Cloud being used: (put bare-metal if not on a public cloud)  
Installation method: kubeadm  
Host OS: ubuntu 22.04  
CNI and version: cilium:v1.14.3  
CRI and version: crio v1.28.1