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Leading Consumer Technology

Overnight Firewall Migrations and Enterprise Network Upgrades for a Leading Consumer Tech Company

Delivered overnight high-availability firewall migrations across Bengaluru and Gurugram offices, stabilized enterprise Wi-Fi, deployed 24/7 Nagios monitoring, and installed 10G networking for iOS engineering.

  1. 01

    Business context

    A leading consumer technology company operating offices in Bengaluru and Gurugram required major network infrastructure and security upgrades under strict zero-business-interruption constraints.

  2. 02

    Challenge

    The client needed to replace ageing firewalls at its Bengaluru and Gurugram offices. Both sites ran high-availability setups with site-to-site VPNs, and Bengaluru also carried multiple cloud VPN tunnels. Business hours had to stay untouched, so all work happened overnight with no room for next-day issues. The client also faced major Aruba enterprise Wi-Fi problems, had no proactive monitoring, and its iOS development team needed far more network bandwidth.

  3. 03

    What we questioned

    How could dual high-availability firewall clusters and multi-cloud VPN tunnels be migrated overnight without impacting next-day business operations or developer productivity?

  4. 04

    TSE approach

    Deploy TSE's on-site L3 engineering team to execute scheduled overnight cutovers, resolve wireless interference and controller configurations at the root level, and roll out proactive monitoring and high-speed switching concurrently.

  5. 05

    Architecture / solution

    Next-generation firewall high-availability pairs with verified site-to-site and cloud VPN tunnels, tuned Aruba enterprise wireless coverage, centralized Nagios infrastructure monitoring, and dedicated 10G switching fabrics.

  6. 06

    Implementation

    Executed overnight firewall migrations at Bengaluru and Gurugram, restored and validated all VPN tunnels prior to business hours, brought Aruba Wi-Fi under control, rolled out Nagios real-time alerts, and deployed 10G switches for iOS build workflows.

  7. 07

    Business outcome

    Two firewall migrations completed overnight with zero issues reported the next business day. HA, site-to-site VPNs, and cloud VPNs operated seamlessly from day one with zero disruption to business operations.

  8. 08

    What it enabled

    Engineering teams gained 10G connectivity to remove build bottlenecks, enterprise Wi-Fi was fully stabilized, and operations achieved 24/7 proactive visibility across devices through Nagios.

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