Get more from the network you already have.
JCDISN LLC is an IT, network and cybersecurity consulting company in Indianapolis. We assess, fix and support the network you already own, for growing businesses and for MSPs.
Led by seasoned enterprise network and cybersecurity experts · Multi-vendor
Problems we solve
The network keeps dropping.
A VPN that disconnects, a link that flaps, a site that goes quiet at the worst time.
Everything feels slow.
Nobody can say whether it's the circuit, the firewall, the Wi-Fi or DNS.
A firewall nobody understands.
Years of rules, no documentation, and nobody willing to touch it.
Questions you can't answer.
An auditor, insurer or customer is asking about your security, and you don't have a clear picture.
How we work
New gear is the last answer, not the first. We look at what you already own and fix it before we suggest buying anything. If something does need replacing, we explain why in writing.
Assess
We start with what you already have. We inventory the gear and licenses, review how they're set up, and tell you what to keep, optimize or replace.
Fix
We correct misconfigurations, turn on features you're already paying for, and plan any change in writing, with a rollback path and testing in staging where possible.
Support
We leave you with as-built documentation, and we stay available for ongoing, scoped support on an agreed response schedule, with after-hours help as a paid option.

Services
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Firewall Migration & Security Operations
Palo Alto (including Panorama), Fortinet (including FortiClient EMS), Cisco, Check Point and WatchGuard. Policy cleanup, migrations and secure remote access.
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IT Assessment
A clear view of what you have, what's at risk and what to fix first, including a PCI DSS readiness review.
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SD-WAN & WAN Design
Vendor-agnostic SD-WAN design and support, plus BGP and multi-site WAN work.
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Firmware and OS upgrades
Planned, tested upgrades for firewalls, switches, routers, wireless and DNS/DHCP platforms, under change control with a rollback plan.
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Cloud & Hybrid Connectivity
BGP, dedicated links and VPNs to Azure, Google Cloud, AWS and IBM Cloud, and network moves into Azure and Google Cloud.
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Wi-Fi & Access Point Installation and Upgrades
New or replacement access points, upgrades and Wi-Fi troubleshooting, with light cabling only.
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Network Optimization
Get more from the gear you already own before spending on new equipment.
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Managed Support
Scoped network support on an agreed response schedule, with after-hours as a paid option.
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For MSPs: Tier 3 Escalation and Overflow
Senior help for the tickets and projects your team can't staff, delivered under your brand.
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Secure AI Readiness for Businesses
Secure AI setup, from a cybersecurity firm.
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Network Training and Certification Coaching
CCNA, CCNP, CCIE, Fortinet FCP and CISSP prep, taught by CCIE- and CISSP-certified instructors.
Multi-vendor, vendor-neutral.
We don't resell hardware, so we recommend what fits your environment. Tell us what you run and we'll confirm fit before we start. See the platforms we work on
Who we work with
We work with businesses, nonprofits, churches and MSPs.
Not sure where to start?
Bring one problem: a flaky VPN, a firewall you inherited, a migration you're dreading. You'll leave with a straight answer on what to look at first.
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