Symantec 10521148 - Network Security 7161, Руководство по внедрению

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37 Deploying the 7100 Series
Deployment options
Figure 3-5 4 In-line Bypass unit
Port groups and the management port on the bypass unit
Each bypass unit contains groups of ports called port groups. Each port group
contains four ports that connect to the network and to the in-line pair ports on
the appliance.
Each bypass unit also has a USB port for communication with the appliance.
The Net A port of each port group on the bypass unit is implemented as
10/100/1000Base-TX. It is a Medium Dependent Interface, crossed (MDIX). You
may need a crossover cable to connect Net A to some devices. The Net B port of
each port group is implemented as 10/100/1000Base-T (MDI). Consult the
documentation for your network devices to determine whether they require
crossover connections.
You must supply at least four connections to each port group in use on the
bypass unit, plus one USB connection per bypass unit.
Table 3-3 describes these
connections.
Table 3-3 Connections needed for deploying bypass unit
Connection Bypass port Description
The appliance USB
port Mgmt USB Connects to either USB port on the appliance. The
two devices communicate over the USB
connection.
One side of the
network Net A Connects to one side of the network that you are
protecting. Net A is the Base-TX port (MDIX).
1 - Serial port
2 - Mgmt USB
3 - Power Supply 1
4 - Power Supply 2
5 - Port group 0
6 - Port group 1
7 - Port group 2
8 - Port group 3