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1answer
32 views

Optical modules, fiber and cables for 10 GbE short range connectivity (brands, latency) [closed]

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 ...
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4answers
154 views

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 ...
3
votes
1answer
529 views

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. ...
0
votes
1answer
147 views

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 ...
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0answers
4k views

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 ...
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3answers
2k views

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 ...
4
votes
1answer
688 views

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 ...
4
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1answer
933 views

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 ...
2
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4answers
3k views

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 ...
4
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1answer
1k views

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 ...
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2answers
585 views

is it possible to direct connect a client and server with 10GBASE CX4 copper cables?

Server has two 10GBASE-CX4 ports. client has 10GBASE CX4 HBA. can theybe directly connected with a CX4 cable without the need for a switch? like SAS Infiband connectors?
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5answers
1k views

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 ...
0
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2answers
653 views

Linux/bsd tcp load balancing with 10 gigabit ethernet

Okay, I've been looking at layer 4 load balancing solutions for 10 gigabit links. I need the following properties Works at 10Gig ethernet speeds. Can support long live tcp connections. up to 1mil ...
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2answers
5k views

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 ...