mellanox switchx

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[OFC] Mellanox launches first 200gb/s silicon photonic device

[OFC] Mellanox launches first 200gb/s silicon photonic deviceLiang Mian Communication time: 2016/4/6 8:18:20 Editor:Iccsz viewed 143 times Absrtact: Mellanox recently demonstrated a new 50gb/s silicon photonic modulator and detector on OFC 2016. They are key components in the Mellanox Linkx series 200gb/s and 400gb/s cables and transceivers. This is a milestone

Configure the trunk of the Mellanox Switch

Configure the trunk of the Mellanox SwitchRecently, the company's internal openstack platform has been migrated to connect mellanox and centec switches. The centec switch has no major difference between cli and Cisco. It is mainly because the mellanox switch does not support native vlan When configuring trunk, but port supports hybrid. Openstack [standalone: unkn

Mellanox 4036 Configuration

network problemIp6IP6 AutoConfig EnabledMask 255.255.255.0Broadcast 192.168.1.255DHCP Client EnabledDHCP6 Client DisabledLink-speed auto-negotiationMAC 00:08:f1:20:41:e64036-41e6 (config-if) #???4036-41e6 (config-if) # DHCP set?DHCP set???? DHCP set [disable, enable]4036-41e6 (config-if) # DHCP set disable4036-41e6 (config-if) # ip-address Set 172.24.12.21Ip-address Set 172.24.12.21Syntax error after word #3.4036-41e6 (config-if) # ip-address set 172.24.12.21 255.255.255.04036-41e6 (config-if)

Spanning Tree [01] Introduction to Spanning Tree and explanation of STP principles

priority + bridge MAC address. First compare the bridge priority, and then compare the bridge MAC address priority. Generally, the bridge priority is the same, all are 32768, so generally only compare the bridge MAC address, the minimum MAC address (that is, the minimum BID) serves as the RB. For example, SW1: Default priority 32768 MAC 0c0011111111 SW2: Default priority 32768 MAC 0c0022222222 is obvious. If the priority is equal, the MAC address SW2 is small, so SW2 is the root switch. 2. sele

Bit arithmetic in C language

Bit arithmetic acceleration technique1. If you multiply the value of the previous 2, you can use the left shift operation to accelerate the 300%x = x * 2;x = x * 64;Switchx = x x = x 2. If the number of multiples in addition to the previous 2, you can use the right-shift operation to accelerate 350%x = X/2;x = X/64;Switchx = x >> 1;//2 = 21x = x >> 6;//64 = 263. numeric to integer acceleration 10%x = Int (1

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Bit arithmetic acceleration technique1. If you multiply the value of the previous 2, you can use the left shift operation to accelerate the 300%x = x * 2;x = x * 64;Switchx = x x = x 2. If the number of multiples in addition to the previous 2, you can use the right-shift operation to accelerate 350%x = X/2;x = X/64;Switchx = x >> 1;//2 = 21x = x >> 6;//64 = 263. numeric to integer acceleration 10%x = Int (1

The advantage of the bit arithmetic in C language

Bit arithmetic acceleration technique1. If you multiply the value of the previous 2, you can use the left shift operation to accelerate the 300%x = x * 2;x = x * 64;Switchx = x x = x 2. If the number of multiples in addition to the previous 2, you can use the right-shift operation to accelerate 350%x = X/2;x = X/64;Switchx = x >> 1;//2 = 21x = x >> 6;//64 = 263. numeric to integer acceleration 10%x = Int (1

Ethernet (40g/100g) and basic cabling for next-generation data centers

has been launched, such as Mellanox Launched in September 2009 ConnectX-2 EN 40G PCIe network card, support IEEE Draft p802.3ba/d2.0 40GBASE-CR4,-SR and other protocols. Unlike the Mellanox monopoly InfiniBand chip, the IEEE 802.3BA chip competition will be more intense, the future price advantage of the product will be very obvious. 40G and 100G Ethernet in the end is what, to put it simply is to increas

Brief discussion on CAPI and its use (4)

terms of latency, bandwidth, and coherence. This is what Google and Rackspace are putting OPENCAPI ports on their co-developed POWER9 system, and why Xilinx would add t Hem to their FPGAs, Mellanox to their gb/sec InfiniBand cards, and Micron to their flash and 3D XPoint storage.YXR Note: Since OPENCAPI does not define the PHY layer, other CPU vendors, Arm,amd,intel can also define their own PHY, on which to run nvlink2.0 and Opencapi.The following i

EZchip spent $130 million to buy Tilera and then sold it with Tilera for $800 million

July 2014 EZchip spent $130 million on acquisition of Tilera2015 Mellanox $800 million acquisition ezchip,2016 year January completed. EZchip sell Tilera with himself, what is the reason?Is the "up for grabs" that Confucius said to disciple Zi Gong 2,500 years ago?http://www.tilera.com/"Mellanox completes acquisition of EZchip" is definitely on the official website.

What kind of open computing switch can you buy?

do not mean that their products are used by all users, and there are other open switches in the standard Open Computing Project (OCP) ecosystem. Vswitch suppliers such as zhibang, Broadcom, Intel, and Mellanox also provide reference designs for standard Open Computing Project (OCP) switches. In terms of software, Big Switch Networks facilitates the OCP Design for Linux on an open network (officially accepted in March 2015). The integrated cloud netwo

Cost-effective RDMA implementation in the DB2 client server environment

software infrastructure. This article will discuss SDP on Linux x86 platform. Host AdapterTwo types of host adapters support RDMA: Infiniband adapter and RoCE adapter. The former requires an Infiniband Switch, while the latter requires an Ethernet switch. This example uses the Mellanox RoCE adapter. All commands provided in this article apply to the Infiniband Adapter. You only need to make slight modifications or do not need to modify them. RoCE

Go language captures panic anomalies and translates to error

the package and the result state. */ defer func() { ifr: =Recover(); r! =Nil{fmt.Println("recovered in Testpanic2error", R)//check exactly what is the panic was and create error. Switchx: = R. (type) { Casestring: Err = errors.New(x) CaseError: Err = xdefault: Err = errors.New("Unknow Panic") } } }() //logic code, panic here.//panic ("I am

Lex and YACC tutorials (8). Use the stack compilation syntax

statement. The design methods of lex and YACC are similar,Only some statement flags are redundant, such as ifx, elsex, and switchx. These labels are used to generate commands in the correct order.Sequence. Lex and YACC store all the compiled result commands in g_command. See addcommand./* Memory instruction set structure */Typedef struct {Int itypeaction;Int itypeval;Float fval;Int Ivar;Int istring;Int iControl;} Tcommand;The design of this Instructi

The basic summary of Go language surface combination to object programming

switchx. (otertypeinterface) Determines whether x is the specified interface type that returns the specified interface object, and the query resultsIn the go language, it is also more straightforward to ask the type of object instances that the interface points to, for example: var v1 interface{} = ... switch V: = v1. (type) { Case INT: //Now the type of V is int case string://Now the type of V is string ...} Just as there are many species in real

Go FCoE completely subvert storage network architecture pattern Date: 2010-3-22

, increasing virtual I/O will enable CEE data transfer to play a greater role in support, and will also help virtual I/O detach from the converged host adapter. Many vendors have started or are planning to launch CEE and FCoE products (although there are no local FCOE storage requirements). Manufacturers like JDS Uniphase have introduced FCoE testing equipment (JDS Uniphase recently acquired Finisar's Network Tools Division). FCoE market prosperity may also be one of the reasons for its success.

The new network processor will replace the router and switch

or three companies are already researching and developing such chips, including new startups, xPliant, and established companies such as TI or maybe Cavium and Mellanox. "Commercial chips will be one of the main drivers of the OpenFlow Program," McKeown said: "existing chip vendors, including Broadcom and Marvell switch chips, are already preparing to support OpenFlow-they should have done this and they have been involved from the very beginning." Wi

Copper cabling in the data center remains dynamic

cable may not be the main interconnect medium, but it is one of the main interconnect media used by 100GbE in the data center ." "Who believes an 8 m cable is enough to meet rack cabling requirements of 98%," said arlong Martin, Senior Marketing Director at Mellanox. "In the space of a large data center, the rack is mainly wired to 100GbE, which is why most servers migrate 10GbEQSFP to 25Gbe or 50GbE ports ." However, in small hosted data center faci

NVMe over fabrics makes RDMA technology fire again.

to the PCIe NVME driver. If this piece can be offload, may be able to achieve NVMF one-sided transmission, then the performance will be more powerful.SummarizeThis article describes some of the technical details of the TRANSPORT-RDMA that were first implemented in NVMF. RDMA is already a proven technology that has been used more in high-performance computing, and the advent of NVMe has allowed it to expand rapidly. For today's storage practitioners, especially the NVMe domain, Understanding RDM

Let your server NB up (improve network throughput)

default values of performance test nodes. The settings had previously used a maximum value of 128M, and a nominal value of 64M. The settings is now larger than fasterdata defaults, and appear below:net.core.rmem_max = 268435456net.core.wmem_max = 2 68435456net.ipv4.tcp_rmem = 4096 87380 134217728net.ipv4.tcp_wmem = 4096 65536 134217728 Modifying These settings has both Impacts, positive and negative:more memory are allocated for every single TCP ... Nic Tuning Vendor specific NIC Tuning info

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