Davu Venu

Senior Network Engineer @United Airlines

Dallas, TX, US

Architected and deployed large-scale Arista L3LS fabrics across production data centers using EVPN-VXLAN with MP-BGP.• Led end-to-end migration from Cisco ACI and legacy Nexus environments to Arista’s Universal Cloud Network (UCN).• Designed multi-tier spine and super-spine expansions to support high-density computers and multi-tenant workloads.• Designed and implemented spine-leaf architecture with VXLANs, Bridge Domains, VTEPs, and VNIDs for network segmentation.• Configured BGP and OSPF on Cisco ACI fabric and Juniper MX204, and M320 routers for dynamic routing.• Automated fabric provisioning and device onboarding using Ansible AVD, CVP configures, and Python REST API integrations.• Upgraded datacenter core to Nexus with VDCs separating e-commerce and ERP.• Design and manage enterprise network infrastructure across data centers, integrating Cisco Nexus 5K/7K/9K switches in a spine-leaf topology for high availability.• Executed multi-site data center migrations ensuring high availability, redundancy, and zero-downtime transitions.• Integrated Palo Alto, Cisco FTD, and FortiGate firewalls with Arista L3LS architecture to deliver secure segmentation policies.• Deployed dual-stack IPv4/IPv6 routing with eBGP and EVPN-VXLAN across spine-leaf data-center cores.• BGP Solid understands BGP for both underlay/overlay routing, multi-tenant segmentation, route reflectors, and scalable data center connectivity.•