Symantec 10521146 User Guide - Page 9

About the Symantec Network Security In-line Bypass unit The In-line Bypass unit is available in two models, the 2 In-line Bypass unit and the 4 In-line Bypass unit. This user guide contains instructions for both. The bypass unit provides fail-open capability for in-line installations of the Symantec Network Security 7100 Series appliance. Fail-open is a configuration that allows network traffic to continue even if the 7100 Series has a hardware or software failure that affects one or more of its in-line interface pairs. While connected to the network and the 7100 Series appliance, the bypass unit monitors the appliance. If it senses an appliance failure, the bypass unit provides direct network connectivity. Both bypass unit models can connect to either 10/100 Base-T (Fast Ethernet) or 10/100/1000 Base-T (gigabit copper) ports. Neither model provides fail-open for the gigabit fiber interfaces on the 7161 appliance. Both bypass unit models operate at wire speeds and have no impact on performance. To begin using the bypass unit after physically installing it, use the Network Security console to configure the corresponding in-line pairs. For more information about using the In-line Bypass unit with your 7100 Series appliance, see the Symantec Network Security 7100 Series Implementation Guide. This user guide includes the following topics: ■ Verifying the contents of the box ■ In-line Bypass unit features ■ Setup overview ■ Mounting onto a rack ■ Cabling the 2 In-line Bypass unit to the 7120 ■ Cabling the 4 In-line Bypass unit to the 7160 ■ Product specifications ■ Product certifications