NHS Cisco 9800 Wireless Controller Migration
Enterprise-scale wireless infrastructure upgrade: 4000 access points migrated from Cisco Catalyst 9800-40 to dual 9800-H1 controller SSO pairs with zero downtime automation and ISE policy optimization.
Cisco Catalyst 9800 Controllers
Enterprise-grade wireless controllers powering mission-critical healthcare infrastructure
🏢 Cisco Catalyst 9800-H1 Controllers
Up to 6000 access points per controller
Dual controller HA configuration
Enterprise-grade performance and capacity
Integrated Cisco ISE policy enforcement
The Challenge
Large NHS Trust needed to upgrade wireless infrastructure while maintaining 24/7 patient care operations
Critical Infrastructure Requirements
- Zero Downtime: Patient care systems requiring continuous connectivity
- Scale Challenge: 4000 access points across multiple sites and buildings
- Legacy Compatibility: Mixed AP generations requiring careful migration
- Security Compliance: NHS cybersecurity framework adherence essential
Complex Network Architecture
- Multiple Organizations: Numerous mobility tunnels to partner entities
- Controller Limitations: Existing 9800-40 reaching capacity limits
- Performance Issues: Increased load affecting network performance
- Future Expansion: Need for scalable architecture to support growth
Migration Scope & Requirements
4000 APs migrated
9800-40 to 2x 9800-H1
Zero patient impact
Full scripted deployment
Our Professional Solution
Comprehensive migration strategy ensuring seamless transition with zero business impact
Pre-Migration Planning
- Complete network topology documentation
- AP inventory and configuration audit
- Mobility tunnel mapping and validation
- Automated deployment script development
- Comprehensive testing procedures
Automated Deployment
- Custom Python automation scripts
- Batch AP migration with verification
- Real-time monitoring and rollback capability
- Automatic configuration synchronization
- Zero-touch provisioning validation
ISE Integration
- Cisco ISE policy creation and optimization
- RADIUS authentication integration
- Dynamic VLAN assignment configuration
- Guest access portal customization
- Compliance reporting automation
🤖 Advanced Migration Automation
Custom-developed automation ensuring flawless migration with comprehensive validation
Automated Configuration
Bulk AP migration with error handling
Real-time Monitoring
Live validation and rollback capability
Consistency Validation
Automated configuration verification
Seamless Transition
Minimal manual intervention required
Technical Implementation
Enterprise-grade configuration optimization and security policy implementation
Wireless Configuration Optimization
- RF Profile Tuning: Optimized power levels and channel allocation
- QoS Policies: Medical device traffic prioritization
- Band Steering: Intelligent client distribution across bands
- Load Balancing: Even client distribution across APs
- Coverage Optimization: Seamless roaming across all areas
Mobility Tunnel Architecture
- Inter-Org Connectivity: Secure tunnels to partner organizations
- Guest Access: Isolated guest network with portal authentication
- Device Segmentation: Medical devices on dedicated VLANs
- Centralized Management: Single pane of glass control
- High Availability: Redundant controller configuration
Outstanding Migration Results
Flawless enterprise migration delivering enhanced performance and scalability
4000
Access Points
Migrated
0
Minutes
Downtime
100%
Automation
Success
24/7
Continuous
Operations
Migration Achievements
Need Enterprise Wireless Migration?
Our team specializes in large-scale wireless infrastructure migrations with zero downtime automation and enterprise-grade security implementation.
Automation Expertise
Custom scripts for seamless large-scale migrations
Zero Downtime
Mission-critical environments requiring continuous operations
Enterprise Scale
Thousands of access points with complex requirements