PGH Networks

Aruba S2500 Mobility Access Switch

The Aruba Networks™ S2500 Mobility Access Switch is a new class of product that brings user role-based access to wired networks.

Like other Mobility Access Switches, the S2500 is an integral part of the Aruba Mobile Virtual Enterprise (MOVE) architecture, which delivers secure virtualized access services to users, independent of their location, access method, device or application.

The S2500 is available in four models with 24 or 48 10/100/1000BASE-T ports and four fixed Gigabit Ethernet/10 Gigabit Ethernet uplink ports. Power-over-Ethernet (PoE) is available with up to 30 watts per port based on the IEEE 802.3af PoE and 802.3at PoE+ standards.

This provides network connectivity for Ethernet devices such as virtual desktops, IP phones, videophones, classroom peripherals, medical devices, point-of-sale devices and security cameras as well as any 802.11n Wi-Fi access point (AP).

The S2500 Mobility Access Switch features a very compact form factor and quiet operation, which makes it ideal for deploying in branch offices and small offices.

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Physical Specifications

  • S2500-24T: 24×10/100/1000BASE-T RJ-45 + 4xSFP/SFP+
  • S2500-24P: 24×10/100/1000BASE-T PoE RJ-45 + 4xSFP/SFP+
  • S2500-48T: 48×10/100/1000BASE-T RJ-45 + 4xSFP/SFP+
  • S2500-48P: 48×10/100/1000BASE-T PoE RJ-45 + 4xSFP/SFP+

Common interface feature support (all models)

  • Diagnostic LEDs (link/admin/duplex/PoE/speed/fault)
  • Auto-negotiation and auto MDI/MDIX support
  • Time domain feflectometry (TDR)
  • PoE feature support (P models)
  • IEEE 802.3af: PoE (15.4 watts)
  • IEEE 802.3at: PoE+ (30 watts)
  • Aruba efficient PoE (priority, guard-band and time range)
  • LCD management display
  • RJ-45/mUSB console port (RS-232)
  • Out-of-band 10/100/1000BASE-T management port
  • USB interface for software/configuration files

Uplink Interfaces

Fixed 4x1000BASE-X/10GBASE-X SFP/SFP+ (SFP/SFP+ purchased separately)
Supported SFP/SFP+ transceivers

  • 10GBASE-LR 1310-nm SFP+ (LC) for up to 10 kilometers over SMF
  • 10GBASE-SR 850-nm SFP+ (LC) for up to 300 meters over MMF (OM3)
  • 10GBASE-LRM 1310-nm SFP+ (LC) for up to 220 meters over MMF (OM2)
  • 1000BASE-LX 1310-nm SFP (LC) up to 10 kilometers over SMF
  • 1000BASE-SX 850-nm SFP (LC) up to 550 meters over MMF (OM2)
  • 1000BASE-T SFP (RJ-45) up to 100 meters (CAT5)
  • Direct Attach Cable – Twinax (50 cm, 1 m, 3 m or 7 m lengths)


  • S2500-24P/24T: 128 Gbps/95 Mpps
  • S2500-48P/48T: 176 Gbps/131 Mpps

Power Options

  • Integrated power supply
  • Autosensing 100-240 VAC, 150 watts (T models)
  • Autosensing 100-240 VAC, 580 watts (P models)
  • PoE budget: 400 watts

Layer 2 Features and Scaling

MAC addresses per system:


Jumbo frames:

9,216 bytes

Number of VLANS:


Port-and MAC-based VLAN

IEEE 802.1AB: Link-layer discovery protocol (LLDP) Device discovery and advertisement
Voice VLAN support using LLDP-MED

Cisco dscovery protocol (CDP) Device discovery
Voice VLAN support

IEEE 802.1Q:

VLAN tagging

IEEE 802.1D:

Spanning tree protocol (STP)

IEEE 802.1w:

Rapid reconfiguration of spanning tree protocol (RSTP)

IEEE 802.1s:

Multiple instances of spanning tree protocol (MSTP)

Maximum number of supported instances:


Rapid per-VLAN spanning tree plus (PVST+)

Spanning tree protocol features

Root guard
Loop guard

Aruba loop protect

Link aggregation groups

IEEE 802.3ad: Link-aggregation control protocol (LACP)
Number of link aggregation groups: 64
Number of ports per aggregation group: 8

Aruba Hot Standby Link (HSL)

IEEE 802.3ah: Ethernet operations, administration and maintenance (OAM)

Layer 3 Features and Scaling
Unicast routes in hardware: 8,000
Routed VLAN interface (RVI)
Loopback interface
Static routing
Open shortest path first (OSPF) v2
DHCP server/client
DHCP relay (including Option 82)
Network time protocol (NTP)


Operating temperature:

0°C to 50°C

Storage Temperature:

-40°C to 70°C

Operating Humidity:

5% to 95% non-condensing

Operating Altitude:

10,000 feet

Acoustic Noise:

42 dB with AC power supply



1.75″ (44mm)


17.5″ (445mm)


12.0″ (305mm)



10.0lbs (4.54kg)


12.1lbs (5.5kg)


10.9lbs (4.96kg)


13.3lbs (6.2kg)


MAC authentication
RADIUS (device management, 802.1X, accounting)
TACACS+ (Device Management and accounting)
LDAP (802.1x)
Digital certificates
Internal user database
Aruba Tunnel-Node
Access control lists (ACLs)
Storm control
IPv6 router-advertisement (RA) guard
DHCP guard
MAC limiting

Multicast Features and Scaling

Multicast routes in hardware: 2,000
PIM sparse mode (PIM-SM)
IGMP v1/v2
IGMP snooping
Multicast listener discovery (MLD) v1

Quality of Service (QOS)

IP precedence
QoS trust (802.1p/DSCP/Auto)
QoS classification by ACL, user and interface
Policer classification by ACL, user and interface
Egress strict priority queuing/low-latency queuing (LLQ)
Eight hardware queues per port

Management and Monitoring

Command line interface (serial, telnet, SSHv2)
Graphical user interface (HTTP/HTTPs)
AirWave management platform
SNMP v1, v2c, v3
IPv6 management
Port mirroring (single destination)
Remote monitoring (RMON)

Warranty and Support

Limited lifetime warranty (all models) includes:
Return-to-factory hardware replacement with following business day shipment of failed product
24×7 access to Aruba’s Technical Assistance Center (TAC) for 90 days after the purchase date
Warranty coverage as long as the original purchaser owns the product
Power supply and fans are covered for five years from initial purchase
ArubaCare Support provides additional product support options directly through Aruba or via an authorized Aruba reseller. Click here for more details.

Safety Certifications

UL-UL60950-1 (second edition)
C-UL to CAN/CSA 22.2 No.60950-1 (second edition)
TUV/GS to EN 60950-1, Amendment A1-A4, A11
CB-IEC60950-1, all country deviations

Electromagnetic Compatibility Certifications

FCC 47CFR Part 15, Class A
EN 55022 Class A
ICES-003 Class A
VCCI Class A
CISPR 22 Class A
EN 55024

Environmental Certifications

Reduction of Hazardous Substances 5 (RoHS-5)