Spiderpool
Spiderpool: A broad Kubernetes networking layer for complex multi-interface and RDMA environments. Ranked #12 of 27 in Container Networking Software by our editors (7.8/10); pricing: Open source; best for complex multi-interface IPAM environments.
At a glance
- Editor score7.8 / 10
- PricingOpen source
- Best forComplex multi-interface IPAM environments
- Paid fromFree
- Network policiesYes
- Facts checked20 Sep 2026
Where it wins
- CRD-based IPv4, IPv6, and dual-stack IP address management
- Supports multiple interfaces, RDMA, egress control, and multi-cluster connectivity
- Works across major CNI, Kubernetes, bare-metal, VM, and cloud scenarios
Where it doesn't
- Self-hosted deployment requires Kubernetes networking administration
- Network policy support varies by CNI configuration and maturity
- Its broad feature set may exceed the needs of simple cluster networking
Our verdict on Spiderpool
Spiderpool is an open-source Kubernetes networking solution for underlay, overlay, and RDMA environments. It is designed for teams managing complex IP address allocation and connectivity across bare-metal servers, virtual machines, and public clouds, with support for AMD64 and ARM64. Its CRD-based IPAM covers IPv4, IPv6, and dual-stack deployments, while IP pools can be static, shared, exclusive, or affinity-based. The product fits storage, middleware, observability, AI, and latency-sensitive workloads that need more than a single network interface per Pod.
Its main strength is ecosystem coordination. Spiderpool supports multiple underlay and overlay interfaces per Pod and integrates with Multus, Macvlan, IPvlan, SR-IOV, OVS, Calico, Cilium, and Weave networking scenarios. CNI coordination covers routing, ClusterIP access, IP conflict detection, and gateway checks. RDMA support includes InfiniBand and RoCE workloads, while KubeVirt extends its relevance to virtual-machine environments. This breadth makes Spiderpool suitable where several networking models must coexist, but it also means deployment decisions depend on the chosen CNI combination and cluster design.
For distributed environments, Submariner provides multi-cluster connectivity, including an IPSec tunnel for encryption in transit, and EgressGateway integration supports controlled outbound traffic. Network policies are supported through IPvlan with Cilium chaining, while policy maturity varies by CNI. That makes Spiderpool a strong choice for platform teams that need detailed IPAM, multiple interfaces, RDMA, egress management, or cross-cluster networking. Teams operating straightforward Kubernetes networks with limited interface and policy requirements may prefer a narrower solution with less configuration scope.
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Spiderpool pricing
Spiderpool fact sheet
| Free plan | Not verified |
|---|---|
| Paid from | Free |
| CNI plugin | Yes |
| Network policies | Yes |
| Egress control | Yes |
| Multi-cluster networking | Yes |
| Encryption in transit | Yes |
| Supported platforms | Kubernetes; bare metal; virtual machines; public clouds; AMD64; ARM64 |
| Deployment | Self-hosted |
| Support | Email, Community, Docs |
| Built for | Small business, Mid-market, Enterprise (editorial estimate) |
| Integrations | 11 integrations: Multus CNI, Macvlan CNI, IPvlan CNI, SR-IOV CNI, OVS CNI, Calico … |
| Pricing | Open source |
| Website | spidernet-io.github.io |
| Facts checked | 20 Sep 2026 |
Spiderpool integrations
Spiderpool lists 11 integrations on its own site.
- Multus CNI
- Macvlan CNI
- IPvlan CNI
- SR-IOV CNI
- OVS CNI
- Calico
- Cilium
- Weave
- Submariner
- EgressGateway
- KubeVirt
Alternatives to Spiderpool
- CiliumA broad open-source networking and observability layer for Kubernetes environments.9.4
- Calico Open SourceA free, broad Kubernetes networking stack with policy, encryption, and multi-cluster support.9.2
- AntreaA strong open-source choice for advanced Kubernetes networking, policy, and visibility.9.0
See all Spiderpool alternatives →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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