Nokia IP710 Series Installation Manual page 39

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Network Interface Card Preinstallation Considerations
Preferred Slot Assignments for 33-Mhz Cards
If you install a 33-Mhz card in one of the IP740 appliance slots, that bus
runs at 33 Mhz. Therefore, if possible, confine your 33-Mhz cards to one
bus. As a result, the second bus continues to run at 66 Mhz.
If you install more than two 33-Mhz cards, both busses run at 33 Mhz.
Therefore, you can choose any slot for those cards without affecting the
two bus speeds.
Setting up Gigabit Ethernet NICs for High Availability With a DMZ
You can use two IP700 Series appliances with six available gigabit
Ethernet ports each (for a total of twelve ports) to provide a high-
availability firewall with a DMZ subnet. All twelve ports can be used for
the necessary connections. Four of these ports are provided by two dual-
port gigabit Ethernet NICs. The remaining two ports are provided by two
single-port gigabit Ethernet NICs.
The rest of this section describes how to install and connect to the NICs
using this kind of network configuration, to achieve optimum
performance.
IP700 Series Installation Guide 39