JNCDS-WAN case studies
JNCDS-WAN · Put your knowledge to work in context.
JNCIA-Design, also listed as Design, Associate, is the associate-level certification in the Juniper Networks design track. It is aimed at networking professionals and designers with beginner-level knowledge of network design, theory and best practices, and the written exam verifies understanding of network design fundamentals rather than hands-on configuration skill. The JNCDS-WAN case studies are 5 cases and about 3,162 words.
1Retail refresh: MPLS exit and cloud-first store traffic
Northline Retail operates 320 stores and two data centers. Its MPLS contract expires in nine months and finance has frozen the WAN budget at today’s spend.
634 words, about 3 min2PCI audit finding: flat branch VLAN and guest breakout
Community Health runs 45 clinics on a hub-and-spoke IPsec VPN to a pair of SRX4600 firewalls in its primary data center. Each clinic has one SRX345 that terminates the tunnel and carries POS, clinical workstation, guest Wi-Fi, and IP cameras on a single /24 VLAN.
653 words, about 3 min3Hospital campus access refresh with PoE, 802.1X, and multicast imaging
Rivergate Hospital is refreshing a four-building campus with 3,000 users and about 2,500 PoE endpoints: 1,100 access points, 900 IP cameras, 300 badge readers, and 200 clinical carts. Clinical VLANs are flat across buildings; biomedical devices are on the same VLAN as nurse workstations because the vendor refuses 802.1X.
627 words, about 3 min4SD-WAN overlay across dual internet and capped LTE for 80 grocery stores
FreshMart operates 80 grocery stores and two data centers. Thirty stores still have 20 Mbps MPLS; all stores have cable or fiber internet with dynamic public IPs, and 25 stores sit behind carrier CGNAT.
600 words, about 3 min5Active-active data centers with EVPN-VXLAN and a stretched Oracle RAC VLAN
FinBank is building a new active-active pair of data centers, 36 racks each, with 25 Gbps servers and 100 Gbps spine uplinks. Each site will have four leaf pairs and two border leaf pairs.
648 words, about 3 min