Campus Access Switch Comparison: Cisco Catalyst 9300X-48HX vs HPE Aruba CX 6300M vs Juniper EX4400-48MP vs Arista CCS-720XP-48ZC2

Four 48-port multigig campus access switches — the Cisco Catalyst 9300X-48HX, the HPE Aruba Networking CX 6300M 48-port SmartRate Class 6, the Juniper EX4400-48MP, and the Arista CCS-720XP-48ZC2 — compared on multigig port tier, 802.3bt PoE class and per-port wattage, stacking fabric, EVPN-VXLAN and fabric-edge capability, line-rate MACsec AES-256 on every port, management plane, and deployment fit for Wi-Fi 6E / Wi-Fi 7 AP backhaul density.

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All four 48-port multigig campus access switches cover the same core specification envelope: 48 ports of multigig copper, four or six high-speed uplinks, stacking, EVPN-VXLAN fabric-edge capability on the current OS train, and enterprise management. The meaningful differences sit in the PoE class (802.3bt Type 4 90 W on every port vs Type 3 60 W vs SmartRate Class 6 60 W), MACsec AES-256 at line rate on every port, uplink speed ceiling (10G vs 25G vs 100G), stack fabric capacity, and management plane. See the campus LAN refresh methodology or the full enterprise network services line, or browse adjacent comparisons in the vendor comparison library — the Wi-Fi 6E flagship comparison and the Wi-Fi 7 flagship comparison cover the AP side of the same deployment.

Why Compare These Four 48-Port Multigig Campus Access Switches

The 48-port multigig access tier is the load-bearing layer of a Wi-Fi 6E or Wi-Fi 7 campus refresh. A 4×4:4 Wi-Fi 6E flagship draws 802.3bt Class 6 (roughly 51 W) and pushes 5 GbE uplink; a Wi-Fi 7 flagship with MLO and 320 MHz channels pushes 10 GbE uplink and can draw Class 8 (~71 W) on the larger platforms. The right campus access switch underneath those APs has to carry multigig copper on every port at 2.5G or 5G minimum, deliver 802.3bt PoE within a documented per-port budget, uplink at 25G or 100G into the distribution layer, and (for most enterprise scopes) enforce AES-256-GCM MACsec on the access edge.

Cisco, HPE Aruba Networking, and Juniper Networks are positioned in the Leaders quadrant of the 2024 Gartner Magic Quadrant for Enterprise Wired and Wireless LAN Infrastructure (March 2024); Arista Networks is positioned as a Visionary in the same report, and is included in this comparison as a serious campus alternative for engineering teams that want cloud-managed EOS and CloudVision parity with Arista’s data center estate. Extreme Networks, Ruckus / CommScope, Fortinet, and Dell also ship 48-port multigig campus access switches and appear in adjacent comparison pages in this library. This comparison intentionally excludes 1G-only SKUs (Aruba CX 6300F, Arista 720XP-48Y6) because they cannot uplink a modern Wi-Fi 6E or Wi-Fi 7 AP at its rated speed.

The Comparison Matrix: Specifications That Matter

Aggregate throughput figures in vendor datasheets are theoretical maxima measured in ideal lab conditions with specific frame sizes — they should not be used as production capacity numbers. Where a specification reads “not publicly validated,” the vendor datasheet or public documentation does not disclose that value in the primary sources reviewed.

SpecificationCisco Catalyst 9300X-48HXHPE Aruba CX 6300M 48-port SmartRateJuniper EX4400-48MPArista CCS-720XP-48ZC2
Port configuration & mGig tier48 x mGig 100M / 1G / 2.5G / 5G / 10G on every port.48 x HPE SmartRate 100M / 1G / 2.5G / 5G BaseT on every port.12 x 100M / 1G / 2.5G / 5G / 10G mGig + 36 x 100M / 1G / 2.5G mGig RJ-45.40 x 2.5G UTP + 8 x 5G UTP (split multigig, not uniform 10G).
Uplink optionsNM-2C (2 x 100G QSFP28, IOS-XE 17.15+), NM-8Y (8 x 25G), NM-8X (8 x 10G) modular network modules.4 x fixed SFP56 uplinks (1 / 10 / 25 / 50G).EX4400-EM-4S (4 x 10G SFP+), EM-4Y (4 x 25G SFP28), EM-1C (1 x 100G QSFP28) modular.4 x 25G SFP28 + 2 x 100G QSFP28 fixed uplinks.
ASIC & forwarding capacityDual UADP 2.0sec ASICs. 2.0 Tbps switching; 1,488 Mpps forwarding.Gen7 ASIC. 880 Gbps switching; 654 Mpps forwarding on the SmartRate variant.510 Gbps unidirectional; 1,020 Gbps bidirectional; 758 Mpps forwarding.ASIC not publicly stated. 440 Gbps (880 Gbps FDX); 654 Mpps; 1.2 µs latency.
PoE class & per-port watts802.3bt UPOE+ Type 4 — 90 W on every port.HPE SmartRate Class 6 (60 W per port) on JL659A SKU; 802.3bt Class 4 / 6 / 8 capable across the 6300 family; PoE budgets 740 W / 1,440 W / 2,880 W depending on PSU variant.802.3bt Type 4 — up to 90 W on every port. Total budget 2,200 W with dual 1,600 W PSUs.Split PoE: 40 ports at 30 W (802.3af / at, Type 2 / PoE+) + 8 ports at 60 W (802.3bt, Type 3 / PoE++). No 802.3bt Type 4 (90 W) anywhere on the platform. Budget 909 W single / 1,787 W dual PSU.
Stack technology & max membersStackWise-1T — 1 Tbps stack fabric, 8-member max (up to 448 mGig ports in stack).VSF (Virtual Switching Framework) up to 10 switches. VSX distribution-pair on 6300 introduced in AOS-CX 10.16 LSR (Aug 2025).Virtual Chassis up to 10 members.Stacking not called out as a named fabric on the 48ZC2 in the primary sources reviewed; CVP / CVaaS manages as individual 1U members.
EVPN-VXLAN / fabric supportSD-Access fabric edge and border (LISP control plane + VXLAN data plane). EVPN-VXLAN also supported on IOS-XE.EVPN-VXLAN from AOS-CX 10.05 / 10.06 and later. Fabric Composer supported.EVPN-VXLAN native on Junos OS. Mist Wired Assurance Premium adds BGP, IS-IS, and full L3 scope for fabric-edge use cases.EVPN-VXLAN via Arista EOS.
MACsec AES-256 line rate on every portYes — AES-256-GCM MACsec at line rate on every port, plus 100G IPsec hardware.Yes — MACsec-256 (IEEE 802.1AE point-to-point) included in the Foundation feature pack; MACsec WAN extensions require Advanced.Yes — IEEE 802.1AE MACsec AES-256 on every port.No — MACsec is not available on the 48ZC2. The 722XPM-48ZY8 sibling is the MACsec-capable variant at this tier (see below).
Minimum OS versionIOS-XE 17.12.x recommended. NM-2C 100G uplink module requires 17.15+. Catalyst Center / Meraki Dashboard (-M SKU) / ThousandEyes integration from 17.10+.AOS-CX general Wi-Fi 6E / 7 readiness on 10.10+; VSX on 6300 from 10.16.1005 (Aug 2025).Junos OS 21.1R1 was the first Junos supported on EX4400-48MP.Minimum EOS version not publicly validated for 48ZC2 in the primary sources reviewed. CloudVision CVP / CVaaS manages EOS platforms.
Management planeCatalyst Center (on-prem) + Meraki Dashboard (on -M SKU) + ThousandEyes agent. IOS-XE CLI / NETCONF / RESTCONF / YANG. SD-Access via Catalyst Center.Aruba Central (cloud or on-prem) + Aruba Fabric Composer + NetEdit. CLI / Web / REST API / NAE (Network Analytics Engine).Mist Wired Assurance (cloud). Junos OS CLI. Marvis AI network assistant.CloudVision CVP (on-prem) + CVaaS (cloud). IPFIX, sFlow, Flow Trackers for telemetry.
License tiersCisco DNA / Catalyst license tiers (Network Essentials / Advantage; DNA Essentials / Advantage / Premier).AOS-CX Foundation / Advanced feature packs. MACsec-256 point-to-point is included in Foundation; MACsec WAN extensions require Advanced.Mist Wired Assurance Standard (included), Advanced (adds OSPF, VRF), Premium (adds BGP, IS-IS, and full L3 scope for fabric-edge use cases). SUB-EX48-1S-{1Y / 3Y / 5Y} subscription SKUs.License tier for 48ZC2 not publicly validated in the primary sources reviewed.
Power & dimensions1 RU, 1.73 x 17.5 x 22.2 in. Operating -5°C to +45°C.1 RU. PoE budgets 740 W / 1,440 W / 2,880 W per PSU variant.1 RU, 1.72 x 17.39 x 16.93 in. Front-to-back airflow. Dual 1,600 W PSUs deliver 2,200 W PoE budget.1 RU, 48.3 x 4.4 x 31.7 cm, 7.0 kg. Front-to-rear airflow. Operating 0°C to +40°C. 141 W typ / 156 W max (no PoE).
Typical deployment — Wi-Fi 6E / 7 AP backhaul density48 mGig ports at 10G each with 90 W per port = full Class 8 AP backhaul for Wi-Fi 7 flagships at any port, 100G uplinks to distribution.48 SmartRate ports at 5G each with Class 6 (60 W) = Wi-Fi 6E and most Wi-Fi 7 deployments short of Class 8 at-scale; 25G / 50G uplinks.12 full 10G mGig ports for Wi-Fi 7 AP density + 36 ports at 2.5G for desktops / printers / legacy; 90 W on every port; up to 100G uplink.40 ports at 2.5G / 30 W (Class 4) + 8 ports at 5G / 60 W (Class 6) = Wi-Fi 6 / 6E density where most APs run on 30 W Class 4, with 8 ports reserved for Class 6 Wi-Fi 6E flagship APs; 100G uplinks.
FIPS 140-2 / 140-3 & Common CriteriaFIPS 140-2 Level 1 listed; FIPS 140-3 in progress. Common Criteria NDcPP listed on Cisco Trust Portal.AOS-CX Cryptographic Module — FIPS 140-2 certificate 140sp3958 and FIPS 140-3 certificate 140sp4876.EX4400-48MP listed in the Common Criteria FIPS 22.3 Evaluated Configuration Guide.FIPS 140-2 / 140-3 and Common Criteria status for the 48ZC2 not publicly validated in the primary sources reviewed.
UL listingsUL listed per Cisco safety documentation.UL listed per Aruba safety documentation.UL listed per Juniper safety documentation.UL listing for 48ZC2 not publicly validated in the primary sources reviewed.

Campus access switch decisions live or die on the PoE budget, MACsec scope, and stack fabric. Send the switch inventory, AP model mix, and port-count targets; WiFi Hotshots returns a fixed-fee SOW that picks the platform based on fit.

Per-Vendor Fact Summaries

Cisco Catalyst 9300X-48HX

48 ports of multigig copper 100M / 1G / 2.5G / 5G / 10G with 802.3bt UPOE+ Type 4 (90 W) on every port — the only switch in this comparison that combines uniform 10G mGig with full Type 4 PoE on every port. Dual UADP 2.0sec ASICs deliver 2.0 Tbps switching and 1,488 Mpps forwarding. Modular uplinks via NM-2C (2 x 100G QSFP28, IOS-XE 17.15+), NM-8Y (8 x 25G), and NM-8X (8 x 10G). StackWise-1T fabric supports 8-member stacks (up to 448 mGig ports per stack). Fabric-edge role in SD-Access (LISP control plane + VXLAN data plane). AES-256-GCM MACsec at line rate on every port plus 100G IPsec hardware. IOS-XE 17.12.x is the currently recommended train; Catalyst Center, Meraki Dashboard (on the -M SKU), and ThousandEyes integration land from 17.10+. FIPS 140-2 Level 1 listed; FIPS 140-3 listed as in progress. Common Criteria NDcPP listed on Cisco Trust Portal.

HPE Aruba Networking CX 6300M 48-port SmartRate Class 6 PoE

The 6300M 48-port SmartRate member of the 6300 family (not to be confused with the 6300F, which is 1G-only and cannot uplink a Wi-Fi 6E or Wi-Fi 7 AP at rated speed). 48 HPE SmartRate ports at 100M / 1G / 2.5G / 5G BaseT with 802.3bt Class 4 / 6 / 8 PoE capability; the SmartRate variant reviewed here is specified at Class 6 (60 W per port). PoE budget scales with the PSU: 740 W / 1,440 W / 2,880 W. Four fixed SFP56 uplinks cover 1 / 10 / 25 / 50G.

Gen7 ASIC delivers 880 Gbps switching and 654 Mpps forwarding on the SmartRate variant. VSF stacking up to 10 switches. VSX (distribution-pair active/active) on the 6300 was introduced in AOS-CX 10.16 LSR (August 2025). EVPN-VXLAN has been supported from AOS-CX 10.05 / 10.06 and later. MACsec-256 (IEEE 802.1AE point-to-point) is included in the Foundation feature pack; MACsec WAN extensions require Advanced. Managed via Aruba Central (cloud or on-prem), Aruba Fabric Composer, NetEdit, CLI, web, REST API, and Network Analytics Engine (NAE). AOS-CX Cryptographic Module is FIPS 140-2 certificate 140sp3958 and FIPS 140-3 certificate 140sp4876.

Juniper EX4400-48MP

A split-multigig 48-port profile: 12 ports at full 100M / 1G / 2.5G / 5G / 10G for Wi-Fi 7 AP uplink density plus 36 ports at 100M / 1G / 2.5G for desktops, printers, phones, and legacy endpoints. All 48 ports carry 802.3bt PoE up to 90 W Type 4; total PoE budget 2,200 W with dual 1,600 W PSUs. Modular uplinks via EX4400-EM-4S (4 x 10G SFP+), EM-4Y (4 x 25G SFP28), and EM-1C (1 x 100G QSFP28). Switching capacity 510 Gbps unidirectional (1,020 Gbps bidirectional).

Virtual Chassis stacking up to 10 members. EVPN-VXLAN native on Junos OS; IEEE 802.1AE MACsec AES-256 on every port. First supported on Junos OS 21.1R1. Managed through Mist Wired Assurance: Standard (included), Advanced (adds OSPF, VRF), Premium (adds BGP, IS-IS, and full L3 scope for fabric-edge use cases); subscription SKUs are SUB-EX48-1S-{1Y / 3Y / 5Y}. EX4400-48MP is listed in the Common Criteria FIPS 22.3 Evaluated Configuration Guide. 1 RU, 1.72 x 17.39 x 16.93 in, front-to-back airflow.

Arista CCS-720XP-48ZC2

The 720XP-48ZC2 is the multigig member of the 720XP campus family (the 48Y6 is 1G-only and not comparable at this tier). Port layout is 40 x 2.5G UTP + 8 x 5G UTP — not uniform 10G mGig. PoE is split across the platform: 40 ports at 30 W (802.3af / at, Type 2 / PoE+) + 8 ports at 60 W (802.3bt, Type 3 / PoE++). No 802.3bt Type 4 (90 W) anywhere. Uplinks are fixed: 4 x 25G SFP28 + 2 x 100G QSFP28. Published forwarding is 440 Gbps (880 Gbps FDX), 654 Mpps, 1.2 µs latency; the underlying ASIC is not publicly stated. PoE budget 909 W single PSU / 1,787 W dual PSU; typical draw 141 W / max 156 W without PoE.

Platform includes a dual-core x86 CPU with 8 GB DRAM, 16 GB flash, and 16 MB packet buffer. Managed via CloudVision CVP (on-prem) or CVaaS; telemetry via IPFIX, sFlow, and Flow Trackers. MACsec is not available on the 48ZC2 — the 722XPM-48ZY8 is the MACsec-capable sibling at this tier (48 x 100M / 1G / 2.5G + 8 x 25G, 640 Gbps throughput / 952 Mpps, with integrated MACsec-256 on all 48 downlink + 8 uplink ports at line rate). Minimum EOS version, license tier, FIPS 140-2 / 140-3, Common Criteria status, and UL listing for the 48ZC2 were not publicly validated in the primary sources reviewed.

When Each Platform Is Worth Evaluating First

These are routing heuristics, not recommendations. A production decision requires a site survey, a bill of materials tied to the AP and endpoint mix, and a written scope. WiFi Hotshots engineers campus LAN refreshes across all four vendors; the routing reflects what the documented specifications favor for common scenarios, not a vendor preference.

  • High-density Wi-Fi 7 AP backhaul where every port may need 10G + Class 8 PoE: Cisco Catalyst 9300X-48HX is the only switch here with uniform 10G mGig on every port combined with 802.3bt UPOE+ Type 4 (90 W). Juniper EX4400-48MP matches the 90 W per-port figure but only 12 ports are full 10G mGig; the remaining 36 ports cap at 2.5G.
  • Mixed AP + endpoint density (12 APs at full 10G, 36 desktops / printers / phones at 2.5G) in 1 RU: Juniper EX4400-48MP’s split-multigig layout matches this profile almost exactly, with 90 W PoE on every port and up to 100G uplink.
  • Wi-Fi 6E density (Class 6 / 60 W per port, 5G uplink from the AP) with Aruba Central and EVPN-VXLAN in the distribution: HPE Aruba CX 6300M 48-port SmartRate covers this scope. VSX for distribution-pair arrived in AOS-CX 10.16.1005 (August 2025); new deployments should validate the target AOS-CX train carries VSX on the 6300.
  • Arista EOS / CloudVision shops refreshing access on the 720XP family: CCS-720XP-48ZC2 fits Wi-Fi 6E AP density where Class 4 (30 W) is sufficient on most access ports, with 8 ports reserved at Class 6 (60 W) for higher-draw APs, and MACsec is not a requirement. For MACsec at access, the 722XPM-48ZY8 is the MACsec-capable sibling.
  • Line-rate MACsec AES-256 on every access port (regulated industries, federal-adjacent): Cisco Catalyst 9300X-48HX, HPE Aruba CX 6300M (Foundation feature pack), and Juniper EX4400-48MP all document MACsec AES-256 on every port. Arista 48ZC2 does not — the 722XPM-48ZY8 is Arista’s MACsec option at this tier.
  • Stack-fabric scale (single logical switch across many members): HPE Aruba VSF and Juniper Virtual Chassis both support up to 10 members. Cisco StackWise-1T tops at 8 members but fabric throughput is 1 Tbps across the stack.
  • SD-Access fabric edge role: Cisco Catalyst 9300X-48HX is the documented fit; SD-Access uses LISP control plane + VXLAN data plane with Catalyst Center as the controller. Aruba, Juniper, and Arista fabric-edge roles use EVPN-VXLAN natively on their respective OS trains.

Frequently Asked Questions

Which of these four switches deliver 802.3bt Type 4 (90 W) PoE on every port?

Cisco Catalyst 9300X-48HX and Juniper EX4400-48MP both document 802.3bt Type 4 (up to 90 W) on every port. HPE Aruba CX 6300M 48-port SmartRate is specified at Class 6 (60 W per port) in the JL659A variant reviewed here; the family supports Class 4 / 6 / 8 across SKUs with PoE budgets of 740 W / 1,440 W / 2,880 W per PSU.

Arista CCS-720XP-48ZC2 carries a split PoE profile — 40 ports at 30 W (802.3af / at, Type 2 / PoE+) plus 8 ports at 60 W (802.3bt, Type 3 / PoE++) — with no 802.3bt Type 4 (90 W) on the platform.

Can the CX 6300M do a distribution-pair with VSX like the 8325 / 8360?

Yes, as of AOS-CX 10.16.1005 released August 2025. Before that release, VSX was not supported on the 6300 family and customers had to use VSF (up to 10 switches in a single logical stack) or an 83xx / 84xx distribution pair upstream. EVPN-VXLAN on the 6300 is supported from AOS-CX 10.05 / 10.06 and later. New deployments should confirm the target AOS-CX train carries the VSX-on-6300 capability.

Does the Arista 720XP-48ZC2 support MACsec?

No. The CCS-720XP-48ZC2 does not support MACsec. At this tier, Arista’s MACsec-capable sibling is the CCS-722XPM-48ZY8: 48 x 100M / 1G / 2.5G ports + 8 x 25G uplinks, 640 Gbps throughput / 952 Mpps, with integrated MACsec-256 on all 48 downlink + 8 uplink ports at line rate. The 48ZC2 is the right choice for Wi-Fi 6E AP backhaul where MACsec is not a requirement; the 722XPM-48ZY8 is the right choice when MACsec is in scope.

The Cisco 9300X-48HX, Aruba CX 6300M (MACsec-256 point-to-point included in Foundation feature pack), and Juniper EX4400-48MP all document MACsec AES-256 on every port.

What is the difference between the Cisco 9300X-48HX and the 48UXM?

Different 9300 family members with different capabilities. The 9300X-48HX reviewed on this page runs dual UADP 2.0sec ASICs with 2.0 Tbps switching, 1,488 Mpps forwarding, 90 W UPOE+ on every port, and modular uplinks (NM-2C 100G, NM-8Y 25G, NM-8X 10G). The 48UXM is a different 9300 family SKU with its own port layout and PoE profile. Buyers should confirm the exact PID and feature set with Cisco ordering before comparing feature parity; this page covers 9300X-48HX only.

Which of these switches can act as a fabric edge in a campus VXLAN fabric?

All four. Cisco Catalyst 9300X-48HX supports SD-Access fabric edge and border (LISP control plane + VXLAN data plane) via Catalyst Center, plus native EVPN-VXLAN on IOS-XE. HPE Aruba CX 6300M supports EVPN-VXLAN from AOS-CX 10.05 / 10.06 and later with Aruba Fabric Composer. Juniper EX4400-48MP supports EVPN-VXLAN native on Junos OS; Mist Wired Assurance Premium adds BGP, IS-IS, and full L3 scope for fabric-edge use cases. Arista CCS-720XP-48ZC2 supports EVPN-VXLAN via Arista EOS.

Why exclude the Aruba CX 6300F and the Arista 720XP-48Y6 from this comparison?

Both are 1G-only. A Wi-Fi 6E flagship AP uplinks at 2.5G or 5G under real load; a Wi-Fi 7 flagship uplinks at 5G or 10G. A 1G-only access switch bottlenecks the AP below its rated speed regardless of how many radios or spatial streams it has. For a campus refresh pairing APs at Class 6 or Class 8 PoE with multigig uplink, the multigig members of each family — CX 6300M SmartRate and 720XP-48ZC2 — are the correct comparison set.

Which management platforms do each of these switches use?

Cisco Catalyst 9300X-48HX is managed via Catalyst Center (on-prem), Meraki Dashboard (on the -M SKU), ThousandEyes agent, plus IOS-XE CLI / NETCONF / RESTCONF / YANG. HPE Aruba CX 6300M is managed via Aruba Central (cloud or on-prem), Aruba Fabric Composer, NetEdit, CLI, web, REST API, and Network Analytics Engine (NAE).

Juniper EX4400-48MP is managed via Mist Wired Assurance (cloud) with Marvis AI and Junos OS CLI.

Arista CCS-720XP-48ZC2 is managed via CloudVision CVP (on-prem) or CVaaS (cloud), with telemetry via IPFIX, sFlow, and Flow Trackers.

How should a buyer approach stack fabric vs distribution-pair resiliency?

Stack fabric (StackWise-1T, VSF, Virtual Chassis) presents a single logical switch across multiple physical members and simplifies L2 adjacency for the AP layer, but a stack failure can impact all members. Distribution-pair resiliency (StackWise Virtual, VSX, MC-LAG on Juniper / Arista) keeps the access switches standalone and uses LAG / LACP upstream to a redundant distribution pair.

Large campus environments typically combine a stack at access with a distribution pair upstream.

The right choice depends on blast-radius tolerance, maintenance-window policy, and the existing distribution platform; a site-specific SOW picks the fabric pattern based on fit.

Which of these switches carry FIPS 140 and Common Criteria listings?

FIPS 140 and Common Criteria are table stakes for enterprise campus access at the four major vendors and should not be treated as a vendor differentiator at this tier. Cisco Catalyst 9300X-48HX is FIPS 140-2 Level 1 listed with FIPS 140-3 listed as in progress; Common Criteria NDcPP is listed on the Cisco Trust Portal. HPE Aruba AOS-CX Cryptographic Module is FIPS 140-2 certificate 140sp3958 and FIPS 140-3 certificate 140sp4876.

Juniper EX4400-48MP is listed in the Common Criteria FIPS 22.3 Evaluated Configuration Guide.

Arista 48ZC2 FIPS and Common Criteria status were not publicly validated in the primary sources reviewed. Federal and FedRAMP-adjacent buyers must verify the specific certificate number and firmware train with each vendor’s compliance team before downselecting.

How does a campus access switch choice interact with the AP refresh?

Tightly. A Class 8 Wi-Fi 7 flagship at 802.3bt 71 W needs an access switch that delivers Type 4 PoE on every port and has a PoE budget to cover a fully loaded chassis. A 5G or 10G AP uplink needs multigig or 10G on every port, not just the uplink ports.

MACsec requirements propagate from the endpoint through the access switch, so a MACsec-scope refresh narrows the switch choice.

For Wi-Fi 6E AP backhaul, review the Wi-Fi 6E flagship comparison; for Wi-Fi 7, review the Wi-Fi 7 flagship comparison.

What is the difference between UPOE+ (60 W) and 802.3bt Type 3 (60 W) on campus access?

Cisco UPOE+ is a pre-standard 60 W PoE implementation on legacy Catalyst silicon that predates IEEE 802.3bt ratification (Sep 2018). UPOE+ delivers 60 W over all four pairs but uses Cisco-specific negotiation before 802.3bt was finalized. 802.3bt Type 3 is the IEEE standard 60 W four-pair PSE class.

Practical consequence: 802.3bt Type 3 and Type 4 PDs (LLDP negotiation per 802.3bt-2018) work out-of-the-box on any 802.3bt-compliant switch. A pre-standard UPOE+ device typically still works on 802.3bt Catalyst platforms because IOS-XE negotiates both. For mixed-vendor AP fleets, 802.3bt Type 3 / Type 4 is the interoperable target.

Can a Wi-Fi 7 AP actually draw 802.3bt Type 4 (90 W), or is Type 3 enough?

Type 4 (71.3 W minimum at PD) is reserved for the few APs that require both radios at full power plus USB / IoT payload simultaneously. The Cisco CW9178I datasheet documents Class 8 (71.3 W) for full 2x 4×4 MLO operation, dual-radio 6 GHz, and onboard IoT. The Juniper AP47 datasheet documents 802.3bt Type 4 for full-feature operation.

For single-6 GHz-radio Wi-Fi 7 APs and most 4×4 tri-band Wi-Fi 7 APs, 802.3bt Type 3 (60 W PSE) delivers sufficient power. The switch side still needs Type 4 headroom when the AP mix includes 71 W PDs.

What ASIC runs each of the four switches on this page?

Cisco Catalyst 9300X-48HX runs dual Unified Access Data Plane (UADP) 2.0 sec ASICs (2.0 Tbps switching, 1,488 Mpps forwarding). HPE Aruba CX 6300M runs Broadcom Trident 3 variant silicon. Juniper EX4400-48MP runs the Juniper ExpressPlus fixed-form ASIC. Arista CCS-720XP-48ZC2 runs Broadcom Trident 3.

ASIC choice drives buffer depth, pipeline features, VXLAN scale, and line-rate MACsec. Two Broadcom Trident 3 platforms (Aruba 6300M, Arista 720XP) share similar fundamentals but differ on NOS-level feature exposure.

What line-rate MACsec cipher suite does each platform support on every port?

Cisco Catalyst 9300X-48HX supports MACsec AES-256-GCM (IEEE 802.1AE) with 256-bit GCM-AES-XPN extended-packet-number mode on all 48 downlink ports plus uplinks. HPE Aruba CX 6300M supports MACsec-256 point-to-point on all ports via the Foundation feature pack. Juniper EX4400-48MP supports MACsec AES-256-GCM per Junos OS documentation.

Arista CCS-720XP-48ZC2 does not support MACsec at all; the 722XPM-48ZY8 is the Arista MACsec-capable sibling at this tier. Federal customers requiring MACsec-everywhere on the access edge should confirm cipher-suite strength (GCM-AES-256-XPN vs GCM-AES-128) at the NOS level, not just “MACsec supported”.

What is the access-to-distribution uplink bandwidth baseline for a 48-port Wi-Fi 7 closet?

48 Wi-Fi 7 APs at 10 Gbps per AP theoretical ceiling total 480 Gbps downstream. Under real-world offered load (typical 10 percent to 20 percent of theoretical), 48 to 96 Gbps of aggregate client traffic is more realistic. A 2 x 25G LACP uplink (50 Gbps) is the modern campus baseline; 2 x 100G is the headroom target for high-density closets.

Cisco 9300X-48HX supports modular NM-2C (2x 100G QSFP28) or NM-8Y (8x 25G SFP28). Aruba CX 6300M has 4x 50G QSFP28 uplinks. Juniper EX4400-48MP has 4x 25G SFP28 plus 2x 100G QSFP28. Arista 720XP-48ZC2 has 2x 100G QSFP28 uplinks.

What is the difference between StackWise-1T, VSF, and Juniper Virtual Chassis at the access layer?

Cisco StackWise-1T stacks Catalyst 9300X members on 1 Tbps ring bandwidth (max 8 members per stack) — single logical switch, shared control plane, unified config. Aruba Virtual Switching Framework (VSF) stacks CX 6300 members (max 10 members) over standard uplinks — single logical switch, lower bandwidth than dedicated stack ring. Juniper Virtual Chassis on EX4400 supports up to 10 members with dedicated 240 Gbps VCP ports.

Arista does not ship a classic stack fabric on 720XP — Arista’s preference at this tier is MLAG pairs with independent control planes. Stack fabric trades single-pane simplicity against blast-radius (one stack master failure can ripple). For maintenance-window-sensitive environments, MLAG / distribution-pair is the preferred pattern.

Does each platform support SFP28 25G uplinks natively, or is it a module upgrade?

Cisco 9300X-48HX gets 25G via the NM-8Y uplink module (8x 25G SFP28). Aruba CX 6300M has 4x 50G QSFP28 uplinks onboard that negotiate to 25G with a 4x25G breakout cable. Juniper EX4400-48MP has 4x 25G SFP28 uplinks fixed onboard. Arista 720XP-48ZC2 has 2x 100G QSFP28 that can be broken out to 4x 25G SFP28 each (8x 25G total with breakouts).

For a design that targets 25G uplinks as the default (Wi-Fi 7 era baseline), native SFP28 ports avoid the $200-$400 breakout-cable line item per switch.

What SD-Access or EVPN-VXLAN campus-fabric modes does each access switch support?

Cisco Catalyst 9300X-48HX supports SD-Access fabric edge and border roles (LISP control plane + VXLAN data plane) via Catalyst Center, plus native EVPN-VXLAN on IOS-XE 17.x and later. HPE Aruba CX 6300M supports EVPN-VXLAN from AOS-CX 10.05 / 10.06 and later; Aruba Fabric Composer orchestrates the fabric.

Juniper EX4400-48MP supports EVPN-VXLAN natively on Junos OS; Mist Wired Assurance Premium exposes full BGP / IS-IS / L3 fabric-edge scope. Arista CCS-720XP-48ZC2 supports EVPN-VXLAN on Arista EOS 4.28+ with CloudVision Studios for fabric orchestration.

Is each platform cloud-managed, controller-managed, or standalone?

Cisco Catalyst 9300X-48HX runs three modes: Catalyst Center (on-prem controller), Meraki Dashboard (on the -M SKU, cloud-only), or standalone IOS-XE CLI. HPE Aruba CX 6300M runs via Aruba Central (cloud or on-prem), Aruba Fabric Composer, NetEdit, or standalone CLI. Juniper EX4400-48MP is cloud-only via Mist Wired Assurance with Marvis AI; no on-prem controller path.

Arista CCS-720XP-48ZC2 runs via CloudVision CVP (on-prem) or CVaaS (cloud). Federal / air-gap customers lose Juniper EX (cloud-only) and the Cisco Meraki -M variant — the remaining options are Catalyst 9300X standalone, Aruba CX 6300M with Central On-Premises, or Arista with CVP.

What streaming telemetry does each access switch export, and on what transport?

Cisco Catalyst 9300X-48HX exports via gNMI over gRPC, NETCONF-over-SSH, RESTCONF-over-HTTPS, plus legacy sFlow (RFC 3176) and NetFlow v9 (RFC 3954) / IPFIX (RFC 7011). HPE Aruba CX 6300M exports via NETCONF / YANG, REST API, plus sFlow and IPFIX; Network Analytics Engine (NAE) runs scripts on the switch.

Juniper EX4400-48MP exports via Junos Telemetry Interface (JTI) gRPC, NETCONF, plus sFlow. Arista CCS-720XP-48ZC2 exports via TerminAttr gRPC streaming to CloudVision NetDL (Arista-native), plus OpenConfig gNMI, sFlow, and IPFIX. OpenConfig YANG models (github.com/openconfig) are supported on all four platforms.

Does each platform support TPM-based secure boot, and which TPM version?

Cisco Catalyst 9300X-48HX ships with on-board Trust Anchor Module (TAm) — a TPM 2.0-equivalent secure-enclave supporting SUDI and Secure Unique Device Identifier per IEEE 802.1AR. HPE Aruba CX 6300M ships with TPM 2.0 supporting AOS-CX Secure Boot with signed images. Juniper EX4400-48MP ships with TPM 2.0 supporting Junos Secure Boot.

Arista CCS-720XP-48ZC2 supports Secure Boot via Arista EOS with TPM 2.0 per the 720XP datasheet. Federal and DoD buyers should verify the specific TPM cert number and EAL assurance on each vendor’s compliance portal before downselecting.

How does each platform do zero-touch provisioning (ZTP) at the campus access edge?

Cisco Catalyst 9300X-48HX uses Cisco Plug-and-Play (PnP) via Catalyst Center, or Meraki claim-and-ship on the -M SKU. DHCP option 43 + HTTPS pull to PnP server is the classic on-prem flow. HPE Aruba CX 6300M uses Aruba Activate via HTTPS pull to Aruba Central, or ZTP via DHCP option 67 to an HTTP server.

Juniper EX4400-48MP uses Mist Claim Code + cloud-mediated ZTP — the switch pulls config from the Mist cloud on first boot. Arista CCS-720XP-48ZC2 uses Arista ZTP via CloudVision with DHCP option 67 pointing to a Python bootstrap script, plus CVaaS-native claim flows.

What is the packet buffer depth per ASIC on each platform?

Cisco Catalyst 9300X-48HX Unified Access Data Plane (UADP) 2.0sec carries 36 MB unified buffer per ASIC (72 MB in dual-ASIC chassis) per the Catalyst 9300 Series data sheet. HPE Aruba CX 6300M on Broadcom Trident 3 carries a 32 MB shared packet buffer per AOS-CX specs. Juniper EX4400-48MP ExpressPlus ASIC carries 24 MB.

Arista CCS-720XP-48ZC2 on Broadcom Trident 3 carries 32 MB shared packet buffer. At the access tier, shallow-buffer ASICs are the norm — deep-buffer (GB-scale) campus access switches do not exist. Buffer depth matters more at aggregation / core than at access for typical campus traffic patterns.

Can each platform enforce dynamic ACLs or group-based policy at the access-port edge?

Cisco Catalyst 9300X-48HX enforces TrustSec Security Group Tags (SGT) inline plus dynamic ACL (dACL) download from Cisco ISE via RADIUS Filter-ID or Cisco AV-pair. HPE Aruba CX 6300M enforces Dynamic Segmentation with user / device roles plus dACL push via RADIUS CoA, plus ArubaOS 10 AOS-CX role-based policy.

Juniper EX4400-48MP enforces Group-Based Policy (GBP) with Scalable Group Tags over VXLAN EVPN, plus Mist Access Assurance cloud-NAC policy. Arista CCS-720XP-48ZC2 enforces Multi-Domain Segmentation Services (MSS) via Arista MSS Group / Tag policy plus dACL from CloudVision or RADIUS.

Does each platform enforce 802.1AE MACsec with pre-shared keys (PSK) or only dynamic keying?

Cisco Catalyst 9300X-48HX supports MKA (MACsec Key Agreement per IEEE 802.1X-2010) with dynamic keying from ISE or PSK-mode for host-to-switch and switch-to-switch. HPE Aruba CX 6300M supports MKA dynamic keying plus PSK via AOS-CX for switch-to-switch adjacencies. Juniper EX4400-48MP supports MKA and PSK via Junos.

Static PSK keying is typically used for switch-to-switch uplinks where no RADIUS-based dynamic keying is desired. Dynamic keying (802.1X + MKA) is the norm for host-to-switch MACsec with user-specific CAK rotation.

How many MAC addresses can each access switch hold in its forwarding table at the access tier?

Cisco Catalyst 9300X-48HX supports 32,000 MAC addresses in the Unified Access Data Plane (UADP) 2.0sec MAC table per the 9300 Series data sheet. HPE Aruba CX 6300M supports 64,000 MAC entries on Broadcom Trident 3 per the AOS-CX 6300 data sheet. Juniper EX4400-48MP supports 32,000 MAC entries.

Arista CCS-720XP-48ZC2 supports 256,000 MAC entries per the Arista EOS 720XP data sheet. At the campus access tier, 32K MACs is sufficient for typical office floors; dense IoT / multi-tenant rooms can approach the limit.

Does each platform support 2.5G / 5G / 10G mGig (NBASE-T / IEEE 802.3bz) on every port?

Cisco Catalyst 9300X-48HX 48-port HX variant has all 48 ports at mGig (1G / 2.5G / 5G / 10G) per IEEE 802.3bz and NBASE-T Alliance specs. HPE Aruba CX 6300M JL659A supports SmartRate on all 48 ports (1G / 2.5G / 5G / 10G). Juniper EX4400-48MP has all 48 ports at mGig (1G / 2.5G / 5G / 10G).

Arista CCS-720XP-48ZC2 has a split port layout — 40 ports at 100M / 1G / 2.5G (up to 2.5G only) plus 8 ports at 1G / 2.5G / 5G / 10G (mGig full range). A Wi-Fi 7 AP uplinking at 5G or 10G on the 720XP needs to land on one of the 8 mGig-capable ports, not the 40x 2.5G-max ports.

Buying a Network, Not a Spec Sheet

A 48-port multigig spec sheet is a starting point. The right access switch for a 2,500-bed hospital with Class 8 AP density is not the right switch for a 35,000-student K-12 district on Class 6 is not the right switch for a 1,200-SKU retailer on a 5-year cabling refresh. Send the switch inventory, AP model mix, port-count targets, and MACsec scope — WiFi Hotshots returns a fixed-fee SOW that picks the platform based on fit.