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Case Study

A 200-User Midtown Office, Network-Ready in Three Weeks

A financial firm's new Midtown Manhattan office had to be online for more than 200 people on opening day. Carrier delivery ran late. The office opened on schedule.

Client
Financial firm, Midtown Manhattan (name withheld)
Project
New office build, full floor, 200+ users
Timeline
Three weeks from start to opening day
Scope
Cabling, rack and IDF build, Wi-Fi survey, ISP ordering, phones, conference rooms

The situation

A financial firm was opening a new office on a full floor in Midtown Manhattan, with more than 200 people due at their desks on opening day. InterDataLink had three weeks to deliver the entire network, from the cabling in the walls to the internet circuits.

What we built

Cisco Catalyst 9300 switch, front view
Cisco Catalyst 9300 UPOE switch
Cisco CW9166I Wi-Fi 6E access point
Cisco CW9166I access point
Meraki MX95 firewall, front view
Meraki MX95 firewall

Manufacturer product photos of the models installed.

Cabling and rack

We ran the cabling for the floor and built the rack and IDF, so one team was responsible for everything from the wall jack to the firewall.

Switching

Four Cisco Catalyst 9300 UPOE switches, stacked so they run and are managed as one unit. UPOE ports supply up to 60 W each, well above the 30.5 W a CW9166I access point draws at most.

Wi-Fi

Ten Cisco CW9166I access points, tri-band Wi-Fi 6E on 2.4, 5, and 6 GHz. We placed them based on a wireless survey of the floor.

Firewall and internet

Two Meraki MX95 firewalls in a warm-spare pair, fed by two 1 Gbit internet circuits from separate carriers. If a circuit or a firewall fails, the other takes over automatically.

Management

Firewalls, switches, and access points are all managed from the Meraki dashboard, so the whole network is visible in one place.

Phones and conference rooms

We also set up the phones and the conference rooms.

Network diagram and equipment

Midtown office network Two 1 Gbit internet circuits from separate carriers, plus a temporary LTE connection, feed a pair of Meraki MX95 firewalls in warm spare. The firewalls connect to a stack of four Cisco Catalyst 9300 UPOE switches, which power ten Cisco CW9166I Wi-Fi 6E access points and connect the desks, phones and conference rooms. Everything is managed in the Meraki dashboard. Carrier A Carrier B LTE Meraki MX95 Meraki MX95 Catalyst 9300 UPOE stack 10 Cisco CW9166I Desks and phones All managed in the Meraki dashboard 1 Gbit circuit 1 Gbit circuit temporary primary warm spare 4 switches, managed as one unit Wi-Fi 6E access points plus conference rooms
The network as built. LTE carried the office until the carrier circuits were delivered.
EquipmentQtyRole
Meraki MX95 security appliance2Firewall, warm-spare pair
Internet circuit, 1 Gbit2Separate carriers, automatic failover
LTE connection1Temporary internet until the circuits were delivered
Cisco Catalyst 9300 UPOE switch4Stacked and managed as one unit; powers the access points
Cisco CW9166I access point10Wi-Fi 6E, placed from the wireless survey

The hard part: ISP delays

The internet circuits were the one piece outside our control, and carrier delivery ran late. Rather than let the opening date slip, we put the network on an LTE connection until the circuits arrived, then cut over to the two carrier circuits.

The result

The office opened on schedule, three weeks after we started, with 200+ users online, redundant firewalls, and two internet circuits.

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