Aruba Campus Access Architect (HPE7-A11) case studies
Aruba Campus Access Architect (HPE7-A11) · Put your knowledge to work in context.
The Aruba Campus Access Architect (HPE7-A11) is a professional-level certification for network engineers who design and validate campus access networks built on Aruba wired and wireless products. It suits senior engineers, pre-sales and solution architects, and consultants who already work hands-on with Aruba switches, access points, and management tooling and want to demonstrate design-level judgement rather than device-level configuration alone. The Aruba Campus Access Architect (HPE7-A11) case studies are 5 cases and about 3,835 words.
1Right-Sizing an Over-Built Distribution Layer
A hospital is designing a new 1,400-user campus across three buildings. The incumbent design proposes a fully routed access layer with 14 distribution switches, dual 100G uplinks per access closet, and every access switch running OSPF.
696 words, about 3 min2Guest Wi-Fi Bleeding Into Clinical VLANs
A regional clinic rolled out a new guest SSID and a new clinical-device SSID in the same week. Within days, the security team reports that a guest laptop received an address in the clinical server subnet and could reach a medical imaging server on TCP 104.
826 words, about 4 min3OSPF Flapping After a Core Upgrade
During a maintenance window, a campus replaced two core switches. After the window, users in two of eight buildings report intermittent voice call drops every 10-15 minutes.
761 words, about 4 min4Monitoring Gap After a Controller Migration
A university migrated from an on-premises controller cluster to a cloud-managed model over a weekend. The new model provides dashboards and alerting for access points and switches, but the existing SNMP-based monitoring platform was not updated.
774 words, about 4 min5Migrating a Mixed-Vendor Edge Without a Big Bang
A manufacturing campus has 60 access switches: 40 from the incumbent vendor and 20 already replaced with the target vendor. The two sets run separate management systems and separate spanning-tree domains, joined by a small number of inter-switch links.
778 words, about 4 min