Config Generator

Build a clean Cisco IOS configuration from a guided form. Dependencies resolved automatically.

Input

Device
Management
Security
Open Password Generator
VLANs
ID Name
Interfaces
Name Role VLAN/allowed IP Mask Description Shut
Routing

Static routes

Destination Mask Next-hop Description
Services

Generated configuration

Fill in the form and click Generate.

Generating a complete Cisco configuration

Writing a Cisco IOS configuration from a blank terminal is error-prone. Stanzas arrive in the wrong order, dependencies get missed — a trunk port that authorises VLAN 30 before VLAN 30 is declared in the database, an SVI for the management network without a corresponding vlan statement, or a static default route on a pure Layer 2 switch that IOS accepts but silently ignores. This cisco config generator resolves those dependencies as you fill in the form, and refuses to emit a stanza that references an object you have not defined.

The output follows the canonical IOS ordering: global parameters (hostname, domain name, enable secret) first, then Spanning Tree mode, VLAN database, physical and logical interfaces, routing configuration, service settings (DHCP pools, NTP, DNS), management lines (console, VTY with SSH enforced), and the MOTD banner last. That order is not arbitrary — it matches the sequence in which IOS processes the config at boot, which matters when one command depends on a resource declared earlier in the file.

The generator integrates with the rest of the toolkit. If you have already sized your address space in the VLSM Planner, the VLAN and subnet table transfers directly into the generator. If you generated a strong privileged password in the Password Generator, it is carried over as the enable secret command. Once you have a config, paste it into the Config Analyzer to verify the security posture before deploying.

Typical workflow

  • Deploy a switch or router from scratch — fill the form, copy the output, paste into the terminal.
  • Create a repeatable template for branch-office deployments that share the same structure.
  • Regenerate a clean configuration after an audit identified drift from the intended baseline.
  • Produce a starting-point config for a lab before refining it with more advanced features.
  • Validate dependencies (VLANs, trunks, SVIs, routing) before spending time in the CLI.

100% in-browser. No config uploaded. Zero tracking.