Cisco IPS 4255 Sensor

The Cisco IDS 4255 is a purpose-built IPS appliance that supports performance at 600 Mbps. It can be used to protect gigabit subnets and traffic traversing switches that are used to aggregate traffic from numerous subnets. This inline-ready security appliance also supports multiple interfaces.

Cisco IPS 4255

Cisco IPS 4255

Performance: Media-rich

600 Mbps

Performance: Transactional 

500 Mbps

Standard monitoring interface

Four 10/100/1000BASE-TX

Standard command and control interface


Optional monitoring interfaces


Redundant power supply


Automated hardware fail- open


Form factor

One rack unit


1.72 in. (4.37 cm)


17.25 in. (43.82 cm)


14.5 in. (36.83 cm)


20 lb (9.07 kg)




100 to 240 VAC


47 to 63 Hz, single-phase

Operating current


Operating temperature

0 to 40°C (32 to 104°F)

Nonoperating temperature

-20 to 65°C

(-4 to 149°F)

Operating relative humidity

10 to 85% (noncondensing)

Nonoperating relative humidity

5 to 95% (noncondensing)

Heat dissipation @ full power

614.2 Btu/hr


Cisco ASA 5500 Series IPS Solution

  • Obtain market-leading intrusion prevention with firewall, VPN, and optional content security
  • Protect small business to large enterprise networks at the Internet edge, campus, and data center
  • Reduce operational and deployment costs, and achieve up to 10 Gb inspection performance
  • Get integrated security in a desktop or 1-2 rack-unit (RU) form factor

Cisco IPS 4200 Series Sensors

  • Get the market-leading standalone intrusion prevention appliance
  • Protect midsize business and enterprise networks at the Internet edge, campus, or data center
  • Maximize your intrusion prevention investment with up to 4 Gb of inspection capabilities
  • Install a purpose-built 1-4 RU form factor

Cisco Catalyst 6500 Series Intrusion Detection System (IDSM-2) Module

  • Software-based intrusion prevention for Cisco Integrated Services Routers
  • Router-based threat control at the branch, small business, or home office to stop attacks at the point of entry
  • Reduced operational and deployment costs; no additional hardware required

Cisco IOS Intrusion Prevention System (IPS)

  • Software-based, inline intrusion prevention for Cisco Integrated Services Routers
  • Branch-intrusion prevention capabilities integrated into the Cisco IOS platform
  • Reduced operational and deployment costs; no additional hardware required

Cisco Integrated Services Routers Intrusion Prevention System Module

  • Intrusion prevention hardware acceleration modules for Cisco Integrated Services Routers (ISRs)
  • Ideal for ISR branch installations that require dedicated IPS
  • Provide complete intrusion prevention with dedicated hardware to offload deep packet inspection from the router

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