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Huawei USG9000 LPUF-21 And FPIC Features
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Introduction to the USG9000

At present, the USG9000 can work in three modes: routed mode, transparent mode, and composite mode.
  • routing mode In routing mode, the USG9000 uses the layer 3 for external connections, and all interfaces must be assigned with IP addresses. When the USG9000 is located between the internal network and the external network, you need to configure the interfaces, through which the USG9000 is connected with the internal network and the external network, with IP addresses on different network segments and re-plan the network topology. In this case, the USG9000 serves as a router. As shown in Figure 2-1, the USG9000 is connected with the internal network through an interface in the Trust zone, while it is connected with the external network through an interface in the Untrust zone. Note that the interface in Trust zone and the interface in Untrust zone reside in different two subnets.
    Figure 2-1  Networking in routing mode
    When working in routing mode, the USG9000 can complete ACL packet filtering. However, network topology needs to be changed. For example, internal network users need to change their gateways and routers’ routing configurations need to be changed.
  • transparent mode In transparent mode, the USG9000 uses the layer 2 for external connections, and none of the interfaces can be assigned with IP addresses. In this case, the USG9000 is transparent to users in subnets and routers. That is, users do not feel the existence of the USG9000. As shown in Figure 2-2, the USG9000 is connected with the internal network through interfaces in the Trust zone, while it is connected with the external network through interfaces in the Untrust zone. Note that the internal network and the external network must reside in the same subnet.
    Figure 2-2  Networking in transparent mode
    If the USG9000 works in transparent mode, you do not need to change network topology. In transparent mode, you only need to place the USG9000 in the network like placing a bridge without need of modifying any existing configuration. Similar to the routing mode, IP packets also need to be filtered and checked in transparent mode, and internal users can be protected by the USG9000.
  • composite mode If there are both interfaces working in routing mode (such interfaces have IP addresses) and interfaces working in transparent mode (such interfaces have no IP address) in the USG9000, the USG9000 is working in composite mode. Composite mode is applied in the case of dual-system hot backup with transparent mode. The interface on which VRRP is enabled needs to be configured with an IP address, and other interfaces do not. Figure 2-3 shows a typical networking in composite mode.
    Figure 2-3  Networking in composite mode
    Master and backup USG9000s are connected with the internal network through interfaces in the Trust zone, while they are connected with the external network through interfaces in the Untrust zone. In addition, master and backup USG9000s connect each other and perform hot standby through VRRP. Note that the internal network and the external network must reside in the same subnet.

    LPUF-21

    Overview

    The LPUF-21 backplane has two slots, each of which can be inserted with a half-high FPIC. The LPUF-21 backplane supports a maximum bandwidth of 20 Gbit/s and the intermixing of FPICs.
     NOTICE:
    The LPUF-21 backplane does not support the hot swap of FPICs.
    Figure 1 shows the appearance of the LPUF-21.
    Figure 1 Appearance of the LPUF-21 

    Panel Appearance

    Figure 2 shows the panel appearance of the LPUF-21 backplane. Table 1 shows the indicators.
    Figure 2 Panel appearance of the LPUF-21 backplane 
    Table 1 Indicators on the LPUF-21 backplane
    Name Description
    OFL button It is a button to send a application signal to the device when removing a board. Before removing a board, you need to press and hold the OFL button for about 6s till the OFL indicator is on.
    OFL indicator (Red) If the indicator is on, you can remove the board.
    RUN indicator (Green) If the indicator blinks once every 2s (0.5 Hz), the system is normal. If the indicator blinks twice every 1s (2 Hz), the system is in alarm mode or the device is starting and not registered.

    Technical Specifications

    Table 2 shows the technical specifications of the flexible card backplane LPUF-21.
    Table 2 Technical specifications of the flexible card backplane LPUF-21
    Item Description
    Dimensions (W x D x H) 400 mm x 520 mm x 41 mm
    Power consumption (typical value) 170 W
    Heat dissipation value 580.04 BTU/hour
    Board weight 5.0 kg

    Product Specifications

    Table 3 lists the product specifications of the LPUF-21.
    Table 3 Product specifications of the LPUF-21
    Item Specifications
    Reliability and availability The LPUF-21 supports hot swap.
    NMS Enhanced command-line interface SNMP and MIB support
    Operating conditions Long-term ambient temperature: 0°C to 45°C Short-term ambient temperature: -5°C to +55°C Long-term relative humidity: 5% to 85% Short-term relative humidity: 5% to 95%
    Storage conditions Storage temperature: -40°C to +70°C Storage humidity: 0% to 95%
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