Citrix CCA-N case studies
Citrix CCA-N · Put your knowledge to work in context.
The Citrix Certified Associate – Networking (CCA-N) is an associate-level credential for IT professionals who deploy, configure, and support application delivery using Citrix ADC (formerly NetScaler). It typically suits network engineers, systems administrators, and support staff who already handle traffic flow, certificates, and authentication in front of web applications, and who want a structured way to demonstrate that skill set. The Citrix CCA-N case studies are 5 cases and about 3,831 words.
1INC-mode HA pair reaches dual-primary after an inter-DC path outage
Northwind Retail runs two Citrix ADC MPX 5901 appliances in high availability across two data centers. The pair is configured in INC mode because the NSIPs must sit in different management subnets: 10.10.10.11/24 in DC1 and 10.20.20.11/24 in DC2.
807 words, about 4 min2Uneven load on a WebSocket service group behind a shared NAT
A B2B portal runs on six Linux application servers behind a Citrix ADC VPX pair. The service group uses the Least Connection method, source-IP persistence with a 60-minute timeout, and a TCP monitor on port 443.
751 words, about 4 min3Mobile TLS failures after a certificate renewal on a multi-tenant SSL vserver
A healthcare SaaS provider terminates TLS for 38 customer hostnames on one Citrix ADC MPX 8905 running 14.1. The SSL virtual server is bound to a wildcard certificate for .medapp.example and a separate certificate for partner.health.example.
719 words, about 4 min4GSLB keeps directing users to a site whose application is down
A travel company runs an active-passive GSLB deployment for book.example.com. DC1 at 198.51.100.10 is priority 1, and DC2 at 203.0.113.20 is priority 2.
810 words, about 4 min5nFactor MFA policy that skips the wrong group
A financial services firm uses Citrix ADC 13.1 as a Citrix Gateway for 3,500 employees and 400 contractors. The nFactor flow is: first factor LDAP against dc=corp,dc=example; second factor RADIUS OTP only for members of CN=VPN-MFA,OU=Security Groups,DC=corp,DC=example; all other users should go straight to the Gateway.
744 words, about 4 min