CCNP Data Center case studies
CCNP Data Center · Put your knowledge to work in context.
CCNP Data Center is an expert-level Cisco certification track for engineers who build, operate, and troubleshoot data center infrastructure. It suits professionals who already hold a professional-level foundation and now spend their days on fabric and switching, unified computing and hyperconverged platforms, storage networking, automation tooling, and data center security controls. The CCNP Data Center case studies are 5 cases and about 4,263 words.
1Rack R7 Cutover: Control Plane Says Green, Bulk Transfers Say Otherwise
A 4-spine/32-leaf VXLAN-EVPN fabric with an OSPF underlay has run for 14 months. Tenants run NFS and Oracle over the fabric and need 9,000-byte jumbo frames end to end.
830 words, about 4 min2Fabric A Port-Channel Change: vNICs Survive, vHBAs Do Not
A Cisco UCS domain runs two fabric interconnects in end-host mode, four chassis, and 32 B200 M5 blades that boot from SAN over FCoE. Each blade has vNIC-A/vHBA-A pinned to fabric A and vNIC-B/vHBA-B pinned to fabric B.
803 words, about 4 min3Read Latency After a New Backup Host Joins the SAN
A pair of MDS 9148S switches forms a core-edge SAN with two 16 Gb ISLs. Forty hosts connect at 8 Gb and two all-flash arrays connect at 16 Gb with four ports each.
860 words, about 4 min4The Monthly Standardization Playbook That Broke Twelve Leaf Pairs
An Ansible codebase manages 180 Nexus 9000 switches. One playbook uses nxos config with a Jinja source template and replace: block to standardize Ethernet1/1 through Ethernet1/48 as access ports.
888 words, about 4 min5PCI Zone Policy That Only Covers Part of the Zone
A PCI zone runs on a vPC pair of Nexus 93180s in a single VRF, using VLAN 210 (10.210.0.0/24) and VLAN 211 (10.211.0.0/24) with HSRP gateways on both SVIs. The only policy is one ACL applied inbound on SVI 210: it permits TCP/443 and TCP/1521 from 10.210.0.0/24 to the payment subnet and denies everything else.
882 words, about 4 min