Cisco DCIT 300-615 study materials
Cisco DCIT 300-615 study resources

Cisco DCIT 300-615 case studies

Cisco DCIT 300-615 · Put your knowledge to work in context.

The Cisco 300-615 DCIT exam, titled Troubleshooting Cisco Data Center Infrastructure, is a concentrated troubleshooting exam aimed at data center engineers who already know how the components are supposed to work and now need to prove they can find out why they are not working. The published exam page identifies it by that single title, and the profile for this exam lists one domain covering the whole of data center infrastructure troubleshooting at 100 percent, so candidates should expect integrated scenarios rather than neatly separated product silos. The Cisco DCIT 300-615 case studies are 5 cases and about 2,975 words.

1

vPC Member Ports Suspended After a One-Sided MTU Change

Two Nexus 93180YC-EX switches run NX-OS 10.2(4) as a vPC pair (domain 10). The peer-link is port-channel 10 on Ethernet1/49-50, and the keepalive uses mgmt0 in VRF management.

503 words, about 3 min
2

VXLAN EVPN Fabric Forwards Unicast but Drops BUM Traffic

A four-leaf, two-spine VXLAN EVPN fabric runs Nexus 9332PQ spines and 93180YC-EX leafs on NX-OS 9.3(8). The underlay is OSPF area 0 with PIM sparse mode; the rendezvous point is a loopback on spine-1.

661 words, about 3 min
3

Blade Cannot See the Backup Array After VSAN 200 Zoning

A pair of Nexus 5548UP switches runs NPV toward two MDS 9148S core switches, with four links per Nexus in a SAN port-channel. A UCS 6248UP domain with B200 M5 blades and VIC 1340 carries FCoE, and the FI SAN port-channels carry FCoE VLAN 200 mapped to VSAN 200.

662 words, about 3 min
4

ACI Contract Blocks a Valid TCP/80 Session

A three-node APIC cluster manages a fabric with two spines and four leafs on release 5.2(8). Tenant PROD contains VRF PROD-VRF, BD-WEB (10.10.10.1/24), and BD-APP (10.20.20.1/24); both BDs have unicast routing enabled.

540 words, about 3 min
5

UCS Blade Falls to EFI Shell After a Service Profile Clone

Two UCS 6454 fabric interconnects in end-host mode serve a 5108 chassis with four B200 M5 blades and VIC 1385. SAN boot is provided by a pair of MDS switches to a Pure array.

609 words, about 3 min