IBM RackSwitch G8332 Product Manual
IBM RackSwitch G8332 Product Manual

IBM RackSwitch G8332 Product Manual

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IBM System Networking RackSwitch G8332
IBM Redbooks Product Guide
This IBM® Redbooks® Product Guide describes the IBM System Networking RackSwitch™ G8332 switch
(RackSwitch G8332). The RackSwitch G8332 provides low latency, lossless performance, and a
feature-rich design with key virtualization features, such as Converged Enhanced Ethernet (CEE)/Data
Center Bridging (DCB)¹, high availability, and enterprise class Layer 2 and Layer 3 functions. In addition,
the RackSwitch G8332 also delivers excellent cost savings as you consider acquisition costs, energy
costs, operational expenses, and ease of use and management for a 40 Gbps class switch. The
RackSwitch G8332 has 32 QSFP+ ports and is suitable for clients using 10 Gigabit Ethernet or 40 Gigabit
Ethernet connectivity (or both).
The RackSwitch G8332 enables customers to easily build an end-to-end flat 2-tier network that is based
on industry standards using IBM switches and servers. For example, the RackSwitch G8332 is an ideal
tier two switch to use when connecting a number of IBM switches, such as IBM System Networking
RackSwitch G8264, IBM System Networking RackSwitch G8264T, or IBM System Networking
RackSwitch G8264CS, or embedded Ethernet offerings for Flex Systems (SI4093, EN4093/R, or
CN4093) with a 40 Gigabit Ethernet uplink ports at the access layer. Other clients like the RackSwitch
G8332 for the investment protection. These clients can use it with their 10 Gigabit Ethernet environments
today, but can also use it in the future as they move to 40 Gigabit Ethernet.
With latency below 600 nanoseconds, the RackSwitch G8332 is among industry leaders. This fact and
the 2.56 Tbps throughput makes the RackSwitch G8332 an ideal offering for latency-sensitive
applications, such as high-performance computing, financial applications, hosting environments, and
cloud designs in Enterprise, Web 2.0, and VM Centric data centers. In addition, IBM supports IBM
VMready® with Virtual Vision, which enables the network to be virtual machine (VM) aware, and provides
the capability to have a virtualization environment that is simpler and less expensive with exceptional
performance. Figure 1 shows the RackSwitch G8332.
Figure 1. IBM System Networking RackSwitch G8332
Did you know?
Here are the key features of the RackSwitch G8332:
Supports several types of configurations: 10 Gigabit Ethernet, 40 Gigabit Ethernet, Converged
Enhanced Ethernet (CEE/DCB)1, and iSCSI.
With exceptional port density and flexibility with break-out cables, the RackSwitch G8332 can support
up to 96x 10 Gigabit Ethernet connections and still have 8x 40 Gigabit Ethernet uplinks.
IBM System Networking RackSwitch G8332
®
1

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Summary of Contents for IBM RackSwitch G8332

  • Page 1 RackSwitch G8332 also delivers excellent cost savings as you consider acquisition costs, energy costs, operational expenses, and ease of use and management for a 40 Gbps class switch. The RackSwitch G8332 has 32 QSFP+ ports and is suitable for clients using 10 Gigabit Ethernet or 40 Gigabit Ethernet connectivity (or both).
  • Page 2 RackSwitch G8332 is also a single ASIC design, which promises consistent lower port-to-port latency. Lower power and better cooling: The RackSwitch G8332 uses as little as 270 W of power, which is a fraction of the power consumption of previous 40 Gigabit Ethernet offerings. The front-to-rear or rear-to-front cooling design reduces data center air conditioning costs by having airflow match the servers in the rack.
  • Page 3: Features And Specifications

    In addition to reducing the number of public IP addresses that are required, NAT also provides security by acting as a firewall between internal and external networks. Standards: The RackSwitch G8332 supports the IEEE 1588 Precision Time Protocol standard, which helps improve synchronization of the network while also improving performance, availability, and flexibility.
  • Page 4 Generic Rack Mount Kit (2-post).  Optional versatile 4-post mounting options for 19-inch server rack or datacom  rack. Optional IBM System Networking Recessed 19" 4-post Rail Kit for NeXtScale  clients to close the cabinet doors. Can be mounted vertically or horizontally. ...
  • Page 5 Figure 2 shows the rear of the switch. Figure 2. Rear view of the RackSwitch G8332 Software features For the most current updates to software features, refer to the product guides. Table 2 lists the software features. Table 2. Software features (part 1 of 3)
  • Page 6 CoPP  FCoE – Fibre Channel over Ethernet Data Center Bridging  Priority Flow Control (PFC) Enhanced Transmission Selection (ETS) FIP Snooping Data Center Bridging Capabilities Exchange Protocol (DCBX) FC-BB-5 FCF with internal BB6 implementation IBM System Networking RackSwitch G8332...
  • Page 7: Popular Configurations

    One example is when the RackSwitch G8332 is combined with IBM RackSwitch G8264 by using SFP+ or G8264T using 10Gbase-T to the compute nodes, where clients can easily support up to 1536 nodes on 10 Gigabit Ethernet network with as few as a 3:1 oversubscription.
  • Page 8 Figure 4. 1536 Node 10 Gigabit Ethernet Network (3:1 Oversubscribed) IBM System Networking RackSwitch G8332...
  • Page 9 Another example is the exceptional flat network implementations that can be built with IBM embedded Ethernet offerings for Flex System (SI4093, EN4093/R, and CN4093), which can be used easily to support up to 15 chassis of only a pair of RackSwitch G8332 switches. Figure 5 shows an example with nine chassis.
  • Page 10 Building a POD To build even larger networks, the RackSwitch G8332 offering allows for the creation of a simple two-tier design that can support up to 2,816 10 GbE server ports with a low oversubscription ratio of 2.1 to 1.
  • Page 11: Ordering Information

    Using the RackSwitch G8332 switch as an edge switch for servers using 40 G Ethernet adapters For environments such as HPC and others where I/O performance is important, 40 Gb starts to increase in popularity. As more 40 Gigabit Ethernet adapters appear and costs fall, plus applications start looking for the next step beyond 10 Gigabit, the RackSwitch G8332 becomes the ideal solution for connecting multiple servers per rack, as shown in Figure 7.
  • Page 12 Table 3 lists the part numbers (IBM System x) for ordering modules and additional options for them, including ServicePac offerings. Table 3. IBM System Networking part numbers and feature codes (part 1 of 2) Description System x part numbers IBM System Networking RackSwitch G8332 (Rear-to-Front)
  • Page 13  QSFP+ ports in to four 10 Gigabit Ethernet ports and allows connection for distances up to 5 m. For 40G to 40G connectivity, clients can use the affordable IBM QSFP+ to QSFP+ DAC cables for  distances up to 7 meters. For distances up to 100m, the 40GBASE-SR4 QSFP+ transceiver can be used with OM3 multimode fiber with MTP connectors.
  • Page 14 Figure 8 shows the QSFP+ 40 Gigabit Ethernet options. Figure 8. QSFP+ 40 Gigabit Ethernet options The module part numbers include the following items: One IBM System Networking RackSwitch G8332  Generic Rail Mount Kit (2-post)  Mini-USB Console port for serial access ...
  • Page 15 2.8m, 10A/100-250V, C13 to IEC 320-C20 Rack Power Cable Footnotes 1. Currently, testing has been completed only by using the IBM QSFP+ DAC Break Out Cable and 10 Gb Ethernet connectivity. 40 Gb Ethernet is not currently tested. IBM System Networking RackSwitch G8332...
  • Page 16: Related Information

    IBM Offering Information page (to search on announcement letters, sales manuals, or both):  http://www.ibm.com/common/ssi/index.wss?request_locale=en On this page, enter IBM System Networking RackSwitch G8332, select the information type, and then click Search. On the next page, narrow your search results by geography and language. IBM System Networking RackSwitch G8332 product publications: ...
  • Page 17: Copyright License

    Web sites. The materials at those Web sites are not part of the materials for this IBM product and use of those Web sites is at your own risk.IBM may use or distribute any of the information you supply in any way it believes appropriate without incurring any obligation to you.
  • Page 18 (® or ™), indicating US registered or common law trademarks owned by IBM at the time this information was published. Such trademarks may also be registered or common law trademarks in other countries. A current list of IBM trademarks is available on the web at http://www.ibm.com/legal/copytrade.shtml.

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