TCS IS HIRING FOR SDWAN-ROUTING & SWITCHING 10 TO 15 YEARS EXP , HYDERABAD Strong knowledge of Cisco SD-WAN (Viptela) architecture and components. Experience with vManage, vSmart, vBond, and edge router configurations. Proficiency in policy creation, segmentation, and QoS. Understanding of overlay/underlay routing and transport independence. Familiarity with cloud integration and security features. Own and resolve L2 incidents, perform RCA, and drive problem management for SD‑WAN fabric and edge devices (ISR/ASR/Cat8k/C8000v). Troubleshoot OMP adjacencies, TLOC extensions, BFD/tunnel health, DTLS/TLS control connections, and IPsec data plane issues. Analyze and remediate App‑Aware Routing, SLA classes, and QoS markings/queuing across overlays and underlays. Deep dive using packet captures, flow telemetry, syslog/SNMP/NetFlow, and vManage analytics.