When half the team joins from home, the office network's job changes. It stops being a place where people do focused work and becomes a place where people arrive to be on video, in rooms, together. Most networks were never designed for that.
Uplink becomes the constraint
Twenty people on video calls need sustained upstream bandwidth, not a burst. Symmetric fibre and real QoS matter more than a headline download figure. Measure your peak upstream utilisation for a week before you buy anything.
Rooms need wired backhaul
Meeting-room cameras and displays should never depend on Wi-Fi. A single cable per room, on a dedicated VLAN, removes an entire category of "can you hear me?" support tickets.
Identity replaces perimeter
With staff working anywhere, the firewall is no longer the boundary — identity is. MFA, device posture checks and least-privilege access are the controls that actually hold. Plan for a stolen laptop, not just a compromised router.
Measure experience, not uptime
"The network is up" is a useless metric if calls drop. Track call quality, DNS resolution time, wireless retries and DHCP pool exhaustion. Those are the numbers that predict the complaint before it arrives.
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