Subnet Planning Tool - High Level Design

Plan network subnets hierarchically with proper nesting. Allocate functions, assign VLANs, and export your design.

IPv4 Configuration

IPv4 network in CIDR notation
Hides columns beyond this size

IPv6 Configuration

IPv6 network in CIDR notation
Hides columns beyond this size

Subnet Details - VLAN/VNI Assignment

Define VLAN and VNI assignments for allocated subnets. Dual-stack (IPv4+IPv6) and secondary IPs are supported.

VLAN/VNI Assignment Rules

DUAL-STACK Same VLAN/VNI can be used for ONE IPv4 and ONE IPv6 subnet

SECONDARY Secondary/Tertiary IPs require confirmation for the same protocol

Protocol General Function Specific Function IP Address VLAN (1-4096) VNI (1-16777215) Actions
Allocate subnets in the HLD above to begin planning

Edit Subnet Allocation

Primary purpose or location of this subnet
Specific use case (optional, hides child subnets if set)
VLAN already in use
VNI already in use
Virtual Network Identifier for VXLAN/EVPN
Preview

Confirm VLAN Assignment