BH640 V2 introducation


The BH640 V2 is a server blade based on Intel new-generation processor platform Romley. It features excellent computing capability and flexible scalability. The BH640 V2 is installed in the E6000 server

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Introduction of GRE VPN of S switches
Introduction to GRE of S series switches excluding the S1700: Generic Routing Encapsulation (GRE) encapsulates packets of some network-layer protocols, such as Internetwork Packet Exchange (IPX), IPv6, and AppleTalk, so that the encapsulated packets can be transmitted over networks of a different network-layer protocol, such as the IPv4 network. As a Layer 3 tunneling technology, GRE encapsulates packets of a protocol into packets of another protocol to transparently transmit packets over GRE tunnels. This technology enables packet transmission on heterogeneous networks. GRE is easy to implement, imposing low burden on devices on both ends of a tunnel. GRE tunnels can connect networks running various network protocols over the IPv4 network, using the original network architecture and reducing costs. GRE extends the operation scope of network protocols with limited hop counts, allowing for flexible enterprise networking. GRE connects discontinuous subnets and sets up VPNs, implementing secure connections between the enterprise headquarters and branches.

Differences between the RH2288 V2, RH2288H V2, and RH2288E
The four NICs of the RH2288 V2 are GE NICs on the mainboard while the NICs of the RH2288H V2 are flexible NICs. The number of PCIe slots on riser cards is also different. The RH2288E V2 supports holding guide rails for installation. For details, see their respective user guide.

Differences among RH1288A V2, RH1288 V2, and RH1288 V3
The differences among the RH1288A V2, RH1288 V2, and RH1288 V3 are listed as follows. The servers' specifications are subject to the official website. ? The RH1288A V2 adopts the Huawei Hi1710 management chip (iBMC), and supports Intel? Xeon? E5-2600 v2 series processors, eight DIMM slots, and two LOM GE electrical ports. ? The RH1288 V2 adopts the management software iMana, and supports Intel? Xeon? E5-2600 and E5-2600 v2 series processors, 24 DIMM slots, and GE or 10GE LOM NIC modules. ? RH1288 V3 adopts the Huawei Hi1710 management chip (iBMC), and supports Intel? Xeon? E5-2600 v3 series processors, 16 DIMM slots, and GE or 10GE LOM NIC modules.

OSN 3500 II
The OSN 3500 II is a new generation intelligent optical switching system developed by Huawei. It applies to the network convergence layer for grooming and transmitting services such as SDH, PDH, Ethernet, ATM, and DDN. By using intelligent network technologies, the system manages services and bandwidths intelligently. It supports an embedded microwave IF board which works with the ODU of Huawei microwave device to achieve wireless service transmission. Currently, the system supports 110 Gbit/s higher-order cross-connections and 20 Gbit/s lower-order cross-connections. A single subrack of the system supports up to 90 Gbit/s access capability, and the microwave IF interface provided by the system offers 18 microwave directions.

Differences between the 4-socket RH5885 V2 and 8-socket RH5885 V2
An 8-socket RH5885 V2 server is made up of two 4-socket RH5885 V2 servers connected through four QPI cables. One of the 4-socket RH5885 V2 servers serves as the master node and the other as the slave node. Hardware differences: ? Rear I/O module: For the 4-socket server, the rear I/O module can be configured with two hard disks and the QPI cables cannot be connected. For the 8-socket server, the rear I/O module cannot be configured with two hard disks and the QPI cables are required. ? Hard disk quantity: 10 (4-socket server); 16 (8-socket server) ? CPU configuration: The 8-socket server must be configured with all CPUs and the 4-socket server can be configured with two or four CPUs. ? DIMM configuration: For the 4-socket server, DIMMs must be symmetrically installed on the memory risers. For the 8-socket server, apart from the symmetry requirements, the DIMMs must be installed on two nodes and the DIMM configuration must be the same on the two memory risers. ? RAID configuration: The 8-socket server requires only one RAID controller card, which must be installed on the master node. Software differences: ? The slave node of the 8-socket server has no BIOS. Therefore, no BIOS information is displayed on iMana. ? The power button on the front panel of the slave node of the 8-socket server is available, but there is no related power control page on the iMana WebUI. ? The iMana of the slave node of the 8-socket server does not provide black box, power-on strategy, system start strategy, and serial port switchover functions.

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