Best Multus CNI Alternatives in 2026
The top Multus CNI alternatives are Cilium, Calico Open Source and Antrea: 15 container networking software our editors would look at instead of Multus CNI, in our ranking order.
Multus CNI: A free, open-source layer for adding and coordinating multiple pod network interfaces. Where it falls short: requires a default kubernetes network plugin.
Switching from Multus CNI? For most container networking software buyers the best Multus CNI alternative is Cilium, built for broad Kubernetes networking and observability.
Why People Look for a Multus CNI Alternative
- Requires a default Kubernetes network plugin
- Native network policies and egress controls are not documented
- Designed for Kubernetes on Linux nodes and self-hosted clusters
Quick Picks by What You Need
- Best overallCilium9.4
Broad Kubernetes networking and observability
Visit Cilium - Best free optionCilium9.4
Has a free plan
Visit Cilium
All 15 Multus CNI Alternatives, Ranked
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
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Best forBroad Kubernetes networking and observability
- Better than Multus CNI:
- Editor score 9.4 vs 7.3
A broad open-source networking and observability layer for Kubernetes environments.
9.4/10★★★★★Visit Cilium -
Best forFree, full-featured Kubernetes networking
- Better than Multus CNI:
- Editor score 9.2 vs 7.3
A free, broad Kubernetes networking stack with policy, encryption, and multi-cluster support.
- Multi-cluster networking
- Encryption in transit
- Egress control
9.2/10★★★★★Visit Calico -
Best forAdvanced policy and multi-cluster networking
- Better than Multus CNI:
- Editor score 9.0 vs 7.3
A strong open-source choice for advanced Kubernetes networking, policy, and visibility.
9.0/10★★★★☆Visit Antrea -
Best forFeature-rich Linux and Windows clusters
- Better than Multus CNI:
- Editor score 8.8 vs 7.3
A feature-rich, free CNI for Kubernetes clusters spanning Linux and Windows.
- Encryption in transit
- Egress control
- CNI plugin
8.8/10★★★★☆Visit OVN-Kubernetes -
Best forMulti-tenant Kubernetes and VM networking
- Better than Multus CNI:
- Editor score 8.6 vs 7.3
A broad self-hosted CNI for multi-tenant Kubernetes and KubeVirt networking.
8.6/10★★★★☆Visit Kube-OVN -
Best forEnterprise Kubernetes security and networking
- Better than Multus CNI:
- Editor score 8.5 vs 7.3
A broad Kubernetes networking and security suite for enterprises operating complex clusters.
8.5/10★★★★☆Visit Tigera -
Best forEnterprise Cilium networking for self-hosted clusters
- Better than Multus CNI:
- Editor score 8.4 vs 7.3
A self-hosted Cilium platform for policy-controlled Kubernetes networking and visibility.
8.4/10★★★★☆Visit Cisco -
Best forAmazon EKS and native AWS networking
- Better than Multus CNI:
- Editor score 8.2 vs 7.3
A native AWS networking plugin for Kubernetes clusters running on Amazon infrastructure.
- Egress control
- CNI plugin
- Network policies
8.2/10★★★★☆Visit Amazon VPC CNI -
Best forAzure Kubernetes Service networking
- Better than Multus CNI:
- Editor score 8.1 vs 7.3
A free, open-source CNI for flexible AKS networking and policy control.
- Encryption in transit
- Egress control
- CNI plugin
8.1/10★★★★☆Visit Azure CNI -
Best forBGP-based Kubernetes networking
- Better than Multus CNI:
- Editor score 8.0 vs 7.3
A broad open-source Kubernetes networking stack for BGP-based cluster designs.
- Egress control
- CNI plugin
- Network policies
8.0/10★★★★☆Visit Kube-router -
Best forStraightforward Kubernetes cluster networking
- Better than Multus CNI:
- Editor score 7.9 vs 7.3
A free, focused CNI for straightforward Kubernetes cluster networking.
- Encryption in transit
- CNI plugin
- Network policies
7.9/10★★★★☆Visit Flannel -
Best forComplex multi-interface IPAM environments
- Better than Multus CNI:
- Editor score 7.8 vs 7.3
A broad Kubernetes networking layer for complex multi-interface and RDMA environments.
- Multi-cluster networking
- Encryption in transit
- Egress control
7.8/10★★★★☆Visit Spiderpool -
Best forFree cross-cluster Kubernetes connectivity
- Better than Multus CNI:
- Editor score 7.7 vs 7.3
A free open-source layer for connecting Pods and Services across Kubernetes clusters.
- Multi-cluster networking
- Encryption in transit
- Egress control
7.7/10★★★★☆Visit Submariner -
Best forVMware-centered Kubernetes networking
- Better than Multus CNI:
- Editor score 7.6 vs 7.3
A VMware-focused Kubernetes networking layer with policy, visibility, and troubleshooting controls.
- Multi-cluster networking
- Egress control
- CNI plugin
7.6/10★★★★☆Visit Broadcom -
Best forManaged multicloud Kubernetes traffic governance
- Better than Multus CNI:
- Editor score 7.5 vs 7.3
Centralized multicloud Kubernetes traffic governance without replacing the CNI.
- Multi-cluster networking
- Egress control
- Network policies
7.5/10★★★★☆Visit Aviatrix
Multus CNI Alternatives: Common Questions
What is the best alternative to Multus CNI?
Cilium: #1 in our Container Networking Software ranking, with an editor score of 9.4 out of 10. A broad open-source networking and observability layer for Kubernetes environments.
Is there a free alternative to Multus CNI?
Yes. Cilium, Calico Open Source, Antrea, OVN-Kubernetes and Kube-OVN have a free plan or a free tier (11 of the 15 alternatives on this page).
Why do people look for Multus CNI alternatives?
Requires a default Kubernetes network plugin; Native network policies and egress controls are not documented; Designed for Kubernetes on Linux nodes and self-hosted clusters.
How do I switch from Multus CNI?
Export your data from Multus CNI (most tools have an export in their settings). Sign up for the alternative; start on its free plan or trial if it has one. Import your export and set up the integrations your team relies on. Run both side by side for a short while, then cancel Multus CNI.
How to Switch from Multus CNI
- Export your data from Multus CNI (most tools have an export in their settings).
- Sign up for the alternative; start on its free plan or trial if it has one.
- Import your export and set up the integrations your team relies on.
- Run both side by side for a short while, then cancel Multus CNI.
Multus CNI vs Each Alternative
| # | Tool | Free plan | Paid from | CNI plugin | Network policies | Egress control | Score |
|---|---|---|---|---|---|---|---|
| 17 | Multus CNI | Yes | Free | Yes | 7.3 | ||
| 1 | Cilium | Free | 9.4 | ||||
| 2 | Calico Open Source | Yes | Free | Yes | Yes | Yes | 9.2 |
| 3 | Antrea | Free | 9.0 | ||||
| 4 | OVN-Kubernetes | Yes | Free | Yes | Yes | Yes | 8.8 |
| 5 | Kube-OVN | Yes | Free | 8.6 | |||
| 6 | Calico Enterprise | No | 8.5 | ||||
| 7 | Isovalent Enterprise for Cilium | 8.4 | |||||
| 8 | Amazon VPC CNI | Free | Yes | Yes | Yes | 8.2 | |
| 9 | Azure CNI | Yes | Free | Yes | Yes | Yes | 8.1 |
| 10 | Kube-router | Free | Yes | Yes | Yes | 8.0 | |
| 11 | Flannel | Yes | Free | Yes | Yes | 7.9 | |
| 12 | Spiderpool | Free | Yes | Yes | Yes | 7.8 | |
| 13 | Submariner | Yes | Free | No | No | Yes | 7.7 |
| 14 | VMware NSX Container Plugin | Yes | Yes | Yes | 7.6 | ||
| 15 | Aviatrix Kubernetes Firewall | No | No | Yes | Yes | 7.5 |
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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