Eliminating manual CLI configuration drifts across hundreds of multi-vendor switches requires implementing GitOps-driven NetDevOps automation pipelines.
1. The Modern NetDevOps Toolchain
- Source of Truth (NetBox): Centralizes IP address management (IPAM), device racks, VLAN databases, and cabling connections via REST APIs and Webhooks.
- Configuration Generation (Ansible + Jinja2): Dynamically renders vendor-neutral intent data into exact Cisco IOS-XE, Arista EOS, and Juniper Junos configuration blocks.
- Automated Pre-Change Testing (pyATS / Containerlab): Validates simulated BGP peer states and routing convergence in ephemeral virtual lab topologies before pushing commits to production.