About This Architecture

Three-tier hierarchical network architecture with SSH-enabled switches across Core, Distribution, and Access layers, including Cisco Catalyst, Juniper, HP Aruba, and Netgear platforms. Admin SSH clients connect through a firewall-protected jump host bastion that authenticates against a RADIUS AAA server before routing to Core Switch 1 (Cisco Catalyst 9500) and Core Switch 2 (Juniper EX9200), which distribute traffic to four Distribution-layer switches managing VLANs 10-80. This architecture demonstrates secure, centralized management of heterogeneous switch environments while enforcing least-privilege access and encrypted command channels. Fork this diagram on Diagrams.so to customize IP addressing, add additional access switches, or integrate with your Ansible automation workflows. The jump host pattern isolates administrative traffic and enables audit logging of all switch configuration changes across the enterprise network.

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How do I design a secure SSH management network for multiple switch vendors with centralized authentication?

This diagram shows a three-tier architecture where admin SSH clients connect through a firewall-protected jump host bastion that validates credentials against a RADIUS AAA server before granting access to Core Switch 1 (Cisco Catalyst 9500) and Core Switch 2 (Juniper EX9200). Distribution and Access layer switches inherit SSH v2 encryption and VLAN trunking from the core, enabling secure, auditabl