Protected IP TransitPublished on 2026-04-29Reading time: 16 min
BGP, GRE, IPIP or VXLAN: which method should you choose to receive clean traffic?
A protected IP transit guide to choose between BGP, GRE, IPIP, VXLAN or cross-connect after Anti-DDoS mitigation without breaking latency or operations.
Receiving clean traffic after Anti-DDoS mitigation is not just a tunnel choice. BGP, GRE, IPIP, VXLAN and cross-connects all affect latency, MTU, failover, operations, troubleshooting and how much control your team keeps behind the mitigation layer. A bad handoff can create packet loss, broken sessions, asymmetric routing or an architecture that is hard to operate. This guide helps hosting providers, operators, gaming platforms, API services and exposed businesses choose a realistic delivery model with Peeryx.
BGP, GRE, IPIP or VXLAN: which method should you choose to receive clean traffic?
Receiving clean traffic after Anti-DDoS mitigation is not just a tunnel choice. BGP, GRE, IPIP, VXLAN and cross-connects all affect latency, MTU, failover, operations, troubleshooting and how much control your team keeps behind the mitigation layer. A bad handoff can create packet loss, broken sessions, asymmetric routing or an architecture that is hard to operate. This guide helps hosting providers, operators, gaming platforms, API services and exposed businesses choose a realistic delivery model with Peeryx.
The right model is the one your team can operate during an incident: clear routes, known MTU, documented failover, measurable latency and a clean return path for legitimate traffic.
BGP as the network foundation
BGP is the most readable model when you protect prefixes, multiple services or a hosting network. It gives structure to announcements, mitigation and clean handoff instead of treating each IP as an isolated proxy target.
BGP still needs a delivery method behind it: cross-connect when physical interconnection is possible, GRE or IPIP for pragmatic L3 delivery, VXLAN when overlay or segmentation requirements matter.
GRE, IPIP and VXLAN in practice
GRE is widely supported and fast to deploy, which makes it a common first step. IPIP can be lighter for pure L3 delivery, but is less flexible. VXLAN is useful when segmentation or overlay integration matters.
The operational details matter more than a theoretical comparison: MTU, MSS clamping, endpoint monitoring, redundancy, routes and troubleshooting must be designed before production traffic depends on the handoff.
Cross-connect for operator-grade handoff
A cross-connect is often the cleanest option when both sides are present in the same facility or can use a dedicated interconnection. It removes uncertainty from Internet tunnels and gives a more predictable foundation for high capacity.
It requires more planning, but for hosting providers, operators and critical platforms it often becomes the professional long-term option.
How Peeryx chooses the right model with you
Peeryx starts with topology, prefixes, normal traffic, attack patterns, latency constraints, equipment, datacenter presence and the level of control you want to keep behind the mitigation layer.
The final design can be protected IP transit with BGP, GRE, IPIP, VXLAN, cross-connect, router VM, dedicated server or a mix of these methods. The goal remains simple: absorb the attack upstream and return clean traffic without making operations fragile.
Mistakes to avoid before going live
The most common mistake is ignoring MTU and path symmetry. The second is choosing a protocol because it sounds modern instead of because it fits operations. The third is forgetting monitoring and failover tests.
A clean Anti-DDoS design should be understandable for the buyer, predictable for the network team and stable during an incident.
Conclusion
There is no universal handoff method. BGP structures prefix protection, GRE simplifies deployment, IPIP can be lightweight, VXLAN fits overlay needs and cross-connect offers a premium physical handoff.
Peeryx can help you choose the model that matches your protected IP transit requirements and your operational reality.
FAQ
Is GRE better than IPIP or VXLAN for Anti-DDoS?
Not always. GRE is usually easier to deploy, IPIP can be lighter for L3, and VXLAN is useful for overlay or segmentation needs.
Do I need BGP to receive clean traffic?
Not in every case, but BGP is the cleanest model when you protect prefixes, multiple services or hosting infrastructure.
When should I choose cross-connect?
When physical interconnection is possible, capacity is important, latency must be predictable and you want an operator-grade handoff.
Can Peeryx deliver traffic to a router VM?
Yes. A router VM or dedicated server can receive clean traffic behind Peeryx and apply customer routing or filtering logic.
Not sure whether to use BGP, GRE, IPIP, VXLAN or cross-connect?
Send us your topology, prefixes, latency constraints and hosting model. We will propose a clean protected IP transit design that your team can operate.
