IT teams need routed edge capacity that fits tight sites without losing control as services grow, and the ACX Series gives them a Cloud Metro platform for access, aggregation and service edge routing. It supports compact branch and metro deployments, and the range adds room to scale from lower-speed access links to denser 100GbE and 400GbE handoff where required.

It is used in access nodes, regional hubs and data-centre edge sites where space, power and resilience matter. That helps keep traffic separated, maintain service continuity and support growth without redesigning the network each time demand changes.

  • Compact Metro Routing: A fixed 1U cloud metro edge design combines routed access and pre-aggregation in a small footprint, helping telecoms, utilities, finance, manufacturing and logistics sites consolidate services where space and power are limited, so deployment is simpler.
  • Flexible Service Mix: Native 1/10/25GbE access ports with 100GbE uplink options support mixed service handoff from branch, plant and cell-site environments, letting teams align port speed to local demand and reduce excess infrastructure.
  • Carrier-Grade Automation: Junos OS Evolved and automation support provide standardised orchestration for metro service expansion, reducing manual configuration effort and lowering operational overhead.
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  • High-Capacity Throughput: 360Gbps system capacity supports aggregation of growing routed traffic at the edge, giving network teams more headroom for broadband, operational and private connectivity flows with lower latency.
  • Secure Connectivity: MACsec support protects data in transit across metro fibre links, helping enterprises maintain confidentiality between sites and strengthen resilience.
  • Hardened Deployment: An environmentally rated platform is suited to utility, industrial and distributed site installations, allowing dependable operation in tougher locations and improving availability.

Find your ideal Juniper ACX

Full technical specifications are available on each product page.

Model Popularity Deployment Primary Use Case Form Factor Maximum Port Speed Routing Throughput (Gbps) FIB / Forwarding Table Size SD-WAN Support High Availability Support
Juniper ACX7024 24-Port Cloud Metro Edge Router Juniper ACX7024 24-Port Cloud Metro Edge Router ★ ★ ★ Service Provider Edge 1U 25G — 2M No — View
Juniper ACX7100-32C 32-Port 100GbE Cloud Metro Router Juniper ACX7100-32C 32-Port 100GbE Cloud Metro Router ★ ★ ★ Service Provider Edge 1U 100G — 4M No — View
Juniper ACX7100-48L 48-Port 10/25GbE Cloud Metro Router Juniper ACX7100-48L 48-Port 10/25GbE Cloud Metro Router ★ ★ ★ Service Provider Edge 1U 25G — 4M No — View
Juniper ACX7332 32-Port 400GbE Edge Router Juniper ACX7332 32-Port 400GbE Edge Router ★ ★ ★ Service Provider Edge 1U 100G — 4M No — View
Juniper ACX7348 48-Port 100GbE Edge Router Juniper ACX7348 48-Port 100GbE Edge Router ★ ★ ★ Service Provider Edge 1U 25G — 4M No — View
Juniper ACX7509 Modular Edge Router Chassis Juniper ACX7509 Modular Edge Router Chassis ★ ★ ★ Service Provider Edge Modular 100G — 8M No — View

Juniper ACX Routers: Which Series Should You Choose?

Juniper ACX routers range from compact access routers to large modular chassis. Answer each question in order. A yes answer recommends a model; a no answer takes you to the next question.

  1. Question 1: Do you need a compact access router for locations with tougher environmental conditions?

    No
    Yes

    ACX7024

    Industrial-Rated Access

    A fit for access sites where a small router needs an industrial rating to cope with harsher conditions.

  2. Question 2: Do you need to gather traffic from many sites at high speed, where rack space is tight?

    No
    Yes

    ACX7100-32C / ACX7100-48L

    High-Density Aggregation

    A fit for metro aggregation sites that need a lot of connections in a single 1U unit, with the ACX7100 line supporting speeds up to 400GbE.

  3. Question 3: Do you need a compact, hardened router that can add ports and capacity as your network grows?

    No
    Yes

    ACX7332 / ACX7348

    Expandable Aggregation

    A fit for aggregation sites that need fixed ports now, plus three expansion bays to add capacity later, without moving to a larger chassis.

  4. Question 4: Do you need a large modular chassis for a major hub site with many connections?

    No
    Yes

    ACX7509

    Large-Scale Aggregation

    A fit for larger aggregation sites such as central offices, with eight slots for adding 1GbE to 400GbE connections as demand grows.

    Network Assessment

    Juniper ACX Model Selection

    Our network assessment reviews your network layers, site conditions and growth plans to recommend a Juniper ACX model that fits. Book a free Juniper network assessment.

Juniper ACX Cloud Metro and Aggregation Routing: Key Considerations

Plan these six areas to match Juniper ACX routers to each site in a Juniper Cloud Metro network.


01

Platform Size

Match fixed or expandable routers to each site’s space, power and expected growth. Fixed routers suit tight sites, while expandable ones let capacity grow in stages.

02

Network Layout

Decide between a traditional ring layout and a spine-leaf design of smaller routers. Spreading services out can limit how much of the network a single failure affects.

03

Services to Combine

List the services the network must carry, such as broadband, business and mobile. Segment Routing and EVPN can run these services over one shared network instead of separate ones.

04

Optical Equipment

Check whether plug-in optical modules suit your design. In supported setups, the modules fit straight into router ports, replacing separate optical equipment and potentially saving space and power.

05

Service Monitoring

Decide how to check service quality. Juniper’s Paragon Active Assurance testing runs inside the router software, supporting monitoring without extra test equipment at each site.

06

Security by Model

Check security per model. Secure onboarding confirms each router is genuine before joining, supporting zero trust, but link encryption is only on select models.

Juniper ACX Metro Ethernet: Deployment Considerations and Use Cases

Juniper ACX routers can carry business, mobile and residential traffic across metro networks, from compact access sites to larger aggregation points.

Business Ethernet Services

Providers can use Juniper ACX routers to deliver Juniper Metro Ethernet services linking a business’s offices, campuses or service locations, either between two sites or across several at once. Older and newer service types can run on the same network, so existing customers don’t all need moving over at once.

Mobile Backhaul

ACX routers can carry traffic between 4G and 5G cell sites and the wider network. They support the high-precision timing that mobile networks rely on, so mobile and business traffic can share the same access network, provided the chosen platform and network design meet the requirements.

Residential Broadband Aggregation

In fibre and cable broadband networks, ACX routers can gather traffic from residential customers alongside other services at the same points in the network. This can help providers run one combined access network rather than separate networks for each type of service.

Enterprise WAN and Data Centre Links

ACX routers can connect distributed business sites to data centres and cloud-facing infrastructure, so branch traffic reaches central applications and hosted services. Zero touch deployment lets routers be installed on site and brought into service with less manual setup, which helps when rolling out many locations.

What Environments Is the Juniper ACX Series Best For?

The Juniper ACX Series brings compact metro routing to sectors that connect many sites across a region.

Data Centres

Challenge

Routed links between facilities, clouds and metro networks need to grow without reworking the edge each time.


Solution
  • ACX Series platforms cover compact access sites, dense 100GbE aggregation and 400GbE edge roles within one metro design.

Telecoms

Challenge

Operators need compact routers at cell sites and local exchanges to carry growing 4G/5G mobile and broadband traffic.


Solution
  • ACX Series routers are designed for cloud metro networks, with 5G timing support (the precise synchronisation mobile networks rely on) for mobile and broadband services.

Finance

Challenge

Branches, market data, replication and private links all need resilient, predictable connectivity.


Solution
  • ACX Series platforms support compact edge connections and dense 100GbE transport, with room to grow across metro and data centre sites.

Energy & Utilities

Challenge

Substations and remote sites need routers that cope with tougher conditions while linking back to control and operations centres.


Solution
  • Industrial-temperature ACX Series models are built for harsher environments, carrying operational traffic between remote sites and control centres.

Logistics

Challenge

Services spread across depots, hubs and data platforms need dependable routing between every site.


Solution
  • ACX Series platforms combine compact edge aggregation with scalable metro capacity for distributed operational networks.

Why Work With Steel City Consulting

We’re trusted by IT teams in enterprise environments, data centres and complex multi-vendor estates. Our consultants can help you select, deploy and manage Juniper ACX routing, with practical support across sourcing, licensing, migration and lifecycle planning.

  • Official multi-vendor partner Pricing, licensing and upgrade routes across leading infrastructure technology vendors.
  • Decades of IT expertise Hands-on consultancy across networking, compute, storage and security.
  • UK-wide support network Certified engineers and technicians for on-site projects, SLAs and break/fix cover.

Juniper ACX Series

Book a consultation with our specialists

Tell us about your current routing estate and project requirements. We’ll review compatibility, integration and support needs, then identify the most suitable route forward.

Juniper ACX Procurement & Vendor Support

We can help you compare Juniper ACX routers, balancing performance, scalability, licensing and operational fit.

Right-sized solution selection

We can help you choose the right ACX platform for your environment and growth plans, so you invest in the capacity you need without paying for capacity you won’t use.

Certified licensing & support routes

As an official Juniper partner, we can source hardware, licences, subscriptions and vendor support through authorised channels, so warranties stay valid and support entitlements are clear.

Procurement timing & budget planning

We can help you time purchases around budget cycles, refresh deadlines and project milestones, with financing options available to spread the investment.

Deployment & lifecycle planning

We can help you plan implementation, migration, support renewals and future upgrades, so your team is prepared well before equipment reaches end of support.

Need help selecting Juniper ACX routers?

Speak to our experts about selecting, deploying or migrating Juniper ACX routing for metro and edge networks.

Speak to a specialist today

Juniper ACX FAQ

What Is Juniper Cloud Metro?

Juniper Cloud Metro is Juniper’s approach to metro networks, using ACX routers to carry broadband, business, mobile and cloud services over one shared network.

Instead of separate networks for each service, Cloud Metro runs them side by side, with automation and service testing built into the router software. Juniper says Paragon Automation cuts device onboarding from hours to minutes.

Should I Choose the ACX7100-32C or ACX7100-48L?

Choose the ACX7100-32C to aggregate 100GbE links or where links need MACsec encryption, and the ACX7100-48L to gather many 10GbE to 50GbE links.

Every port on the 32C supports MACsec (encryption of traffic between routers), which the 48L doesn’t offer. The 48L lets each port’s speed be set individually, suiting sites where access links run at mixed speeds.

Should I Choose a Fixed ACX7100 or an Expandable ACX7300?

Choose a 1U ACX7100 where port needs are clear and space is tight, and a 3U ACX7332 or ACX7348 where capacity must grow through expansion modules.

The ACX7300 models have three expansion bays for 400GbE, 100GbE or 50GbE modules. The ACX7100 offers more capacity, 4.8 Tbps against 2.4 Tbps, in a third of the rack space.

When Is the ACX7509 the Right Choice?

The ACX7509 suits large aggregation hubs and central offices that need many connections, room to grow, and redundancy in both control and forwarding.

The 5U chassis takes up to eight line cards from 1GbE to 400GbE, and the premium configuration adds a second control board and forwarding board, so one failure doesn’t take the hub offline.

Which ACX Router Suits Harsh Locations?

The industrial-rated ACX7024 suits small access sites in tough conditions, while the temperature-hardened ACX7332 and ACX7348 suit larger aggregation sites in similar locations.

The ACX7024 is rated from -40°C to +65°C in a compact 1U router. The ACX7300 models add 2.4 Tbps and expansion bays, so hardened sites can handle more traffic as they grow.

Should I Choose a Juniper ACX or MX Router?

Choose an ACX router for compact metro access and aggregation sites, and an MX router where a site delivers richer edge services such as business VPNs.

ACX routers are built for power-efficient metro transport, while Juniper MX routers add deeper service features. Many providers use both, with ACX routers feeding traffic to MX routers at the service edge.

Can Juniper ACX Routers Be Used in Enterprise Networks?

Yes, Juniper positions ACX7000 routers for enterprises as well as service providers, connecting branch sites, campuses and data centres over metro links.

Enterprises with their own fibre or metro links can use ACX routers at the WAN edge for regional sites. The ACX7100 and ACX7509 also suit data centre roles such as top-of-rack and spine-leaf designs.

How Can Steel City Consulting Help Me Choose a Juniper ACX Router?

We can match the right Juniper ACX router to each site’s role, space, conditions and growth, from the compact ACX7024 to the modular ACX7509.

We review your network layout, link speeds and timing needs, then plan optics, expansion modules and licences so each site is ready to grow. Talk to our specialists about your Cloud Metro project.