ISG Series

Integrated Security Gateways

High-performance security gateways that deliver scalable network and application security for enterprises, carrier, and data center environments where advanced applications demand secure, consistent, and scalable performance.

How to Buy

Compare All ISG Series Products

Product Comparison

ISG1000ISG2000
Number of Interfaces4 fixed 10/100/1000 plus up to 8 mini GBIC (SX, LX, or TX), up to 8 10/100/1000, up to 20 10/100, or up to 2 10GEUp to 16 mini GBIC (SX, LX, or TX), up to 8 10/100/1000, up to 28 10/100, or up to 4 10GE
Maximum Number of IP Addresses in Trusted InterfacesUnrestrictedUnrestricted
Maximum Throughput2G Firewall
1G 3DES/AES VPN
4G Firewall
2G 3DES/AES VPN
Maximum Number of Sessions500,0001,000,000
Maximum Number of VPN Tunnels10,00010,000
Maximum Number of Policies10,00030,000
Maximum Number of Virtual Systems0 default, upgradeable to 500 default, upgradeable to 250
Maximum Number of Virtual LANs4,0934,093
Maximum Number of Security Zones28 default, upgradeable to 12834 default, upgradeable to 534
Maximum Number of Virtual Routers3 default, upgradeable to 533 default, upgradeable to 253
High-Availability Modes SupportedActive/Passive
Active/Active
Active/Active Full Mesh
Active/Passive
Active/Active
Active/Active Full Mesh
IPS (Deep Inspection Firewall)YesYes
IPS (Integrated IDP)Yes - optional upgradeYes - optional upgrade
Integrated / Redirect Web FilteringYes / YesYes / Yes
  • ISG1000

    ISG1000 Integrated Security Gateway delivers up to 2 Gbps of firewall throughput.

  • ISG2000

    ISG2000 Integrated Security Gateway delivers up to 4 Gbps of firewall throughput.

Detects rogue servers

Provides rogue server information, and types and versions of software that may have been added to the network.

  • Secures advanced applications

    Secures enterprise, carrier, and data center environments where advanced applications, such as VoIP and streaming media, demand secure, consistent, and scalable performance.

  • Delivers comprehensive security features

    Security features include intrusion prevention system (IPS), antispam, Web filtering, Internet Content Adaptation Protocol (ICAP) antivirus redirection support, and more.

  • Works With copper and fiber

    Architecture enables deployment with a variety of copper and fiber interface options, enabling segmentation and isolation of traffic for different trust levels, and multiple, separate firewall or routing policies, all without network impact.