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Questions tagged [10gige]

19 questions
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1 answer

SFP+ vs CAT6a for 10GbE

We are looking to implement 10Gig ethernet for our ESX hosts and SANs. There are a number of solutions we have been looking at and it has really boiled down to what will give us the best bandwidth. One solution was to run Intel X540-T2 cards with…
Myles Gray
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4 answers

10GbE with FCoE with SAN and LAN traffic is a good solution?

I'm building a small datacenter from the ground, and I'm considering 10GbE. I'm looking for some advices about this decision. I've compared Infiniband, FC, 10GbE and LACP with GigE, and in the end 10GbE appears to be the best solution at this…
Vinícius Ferrão
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How can I troubleshoot Linux router/firewall forwarding performance with Intel 10 Gbe?

We have a Linux firewall with two outward facing 10Gbe adapters (Intel 82599EB) and one inward facing 10Gbe adapter (Intel 82598EB). The problem I'm experiencing is that the firewall will only forward inbound traffic at a very low rate:…
david-ocallaghan
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How to expose virtual 10Gb ethernet port to Xen Domain

I would like to expose a virtual 10Gb ethernet interface into a Xen HVM domain. The base OS is Debian Squeeze, 2.6.32 kernel, Xen 4.0. Is there any way to make this happen without actually having a 10Gb ethernet interface on the bare metal? We…
Nick Bastin
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10 gigabit NICs showing only half the throughput

I have 2 physical servers: Two way Intel E5504 @ 2GHz, 24GB RAM, 12x32GB Intel X25-E SSDs in RAID10. Intel Core2 6400 @ 2.12GHz, 3GB RAM, simple 80GB SATA drive. Both machines run Windows Server 2008 R2 now and have 10Gbit Supermicro AOC-STGN-i2S…
Henno
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10 GigE interfaces limits single connection throughput to 1 Gb on a ProCurve 4208vl

The setup is as follow : 3 Linux servers with Intel CX4 10 GigE controllers and an X-Serve with a Myricom 10 GigE CX4 controller are connected to a ProCurve 4208vl switch, with a myriad of other machines connected through good ol' 1000 base-T. The…
wazoox
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CX4/SFP+ -> Fiber adapters?

I'm putting together a proposal for a greenfield 10GigE network (including 10GigE uplinks to providers) while trying to be careful about budget. One of the hardware configurations I'm evaluating that would be relatively inexpensive is a blade…
Nicholas Knight
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ksoftirqd process overloads CPU with high-bandwidth and multiple network connections

I got a 10GBit Server with proxmox 2.1 installed. There's an OpenVZ container running with Ubuntu 10.04 64bit. I can get 200-300MB/sec with wget from data-center internal servers (-O /dev/null) which is okay. However if there are multiple…
The Shurrican
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SFP+ twinax cable compatibility

How compatible are twinax SFP+ cables when used with different hardware vendors' equipment? E.g. are Cisco SFP+ cables fine between an Arista switch and a Solarflare card? How about an Amphenol cable with Cisco switches and Myricom cards? If in…
ewwhite
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Intel 82599 in CentOS 7 - No suitable device found for this connection

I have recently installed a server with CentOS 7, this was installed whilst the network card was present. The card is a Intel 82599ES 10Gb LC fiber NIC attached to the PCI slot of the server. The device does appear on the system: #lspci | grep -i…
The Humble Rat
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CISCO WS-C4948-10GE SFP+?

I have a pair of CISCO WS-C4948-10GE's that we need to connect to a new switch that has SFP+ and QSFP ports. Is there an X2 module that supports this? If so, can someone name the part number that will work? I have found some information, but want to…
Brian Lovett
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NIC status stays at 'Network Cable Unplugged' although cable is present

I'm having a problem with a couple 10GB NICs, one in particular in Windows 7 x64 that always thinks the cable is missing. The drivers for the NIC are current, downloaded from Intel- it's settings are defaults, although I did set an IP address once…
NginUS
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10gig link transfer speed slow between dell chassis m1000e blades

I have a dell chassis m1000e. All blades are connected internally with Dellm8024 10gbit switch. I've SSD on blades. However, when i am testing the speed between the blades the maximum speed size is 120 MBp/s. I even cant get near 10 Gbit speed. I…
Qasim Azam
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Optical modules, fiber and cables for 10 GbE short range connectivity (brands, latency)

I'm looking to run 10 GbE over lengths of 5-25m for a research lab and have been shopping for the appropriate optics. I'm guessing a mix of copper direct-attach cables and OM3, OM4, LC/LC multimode fiber will suffice. But two questions cropped up…
elleciel
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vyatta Server Reboots by itself

I have an issue regarding some hardware, maybe you can help me. First, I set up a Supermicro Superserver SYS-5016I-NTF with a Intel Xeon X3470 and 4 GB of Ram with a Hotlava Card Tambora 64G4 with Intel Chipset 82599EB and 4x10G SPF+ ports.…
Fernando
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