Cisco ASA 5520

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Cisco ASA 5520 Features

Continuing our series of posts about the hardware and software features of ASA firewalls, this article focuses on the Cisco ASA 5520 model. This model is suitable as Internet Edge device for medium size enterprises but can be used also for internal LAN segmentation. From this model and up there are no Base License or Security Plus License options, like the 5505 and 5510 models. Also, the four integrated Network Interfaces by default support gigabit 10/100/1000 speed. There is an additional Management Interface which supports Fast Ethernet speed (10/100 Mbps). This Interface can be used as normal firewall interface by issuing the “no management-only” interface configuration command. So there are essentially five network interfaces integrated on the appliance.

In more detail, the Cisco ASA 5520 firewall features are the following:

  • Maximum firewall connections:280,000
  • Maximum firewall throughput (Mbps): 450 Mbps
  • Max Packets per second (64 byte): 320,000
  • Maximum firewall connections/second: 12,000
  • Maximum 3DES/AES VPN throughput: 225 Mbps
  • Maximum site-to-site and remote access VPN sessions: 750
  • Maximum SSL VPN user sessions: 750
  • Memory: 512 MB
  • System Flash: 64MB
  • Integrated ports: 4-10/100/1000 + 1-10/100
  • Maximum VLANs: 150
  • SSM Expansion Slots: 1 SSM module
  • Intrusion Prevention: Supported (with AIP SSM)
  • Content Security (anti-virus, anti-spyware, file blocking): Supported (with CSC SSM)
  • Latest Software version:8.2 (as of April 2009)
  • Application-layer firewall services: Supported
  • Layer 2 transparent firewall: Supported
  • Security contexts: 2 (Included), 20 (Maximum, with license)
  • GTP/GPRS inspection: Supported (needs license)
  • High availability support: Active/Active, Active/Standby
  • SSL and IPsec VPN services: Supported
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