The jumboframes tag has no wiki summary.
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1answer
168 views
Broadcom BCM5709C Jumbo Frames on Windows 2008R2
I have a broadcom bcm5709c quad port nic (gigabit netxtreme II); I download the broadcom utility from there site, I can setup teaming and all, but I can't seem to find the setting to enable jumbo ...
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0answers
178 views
gigabit TCP speed cat5e ~270Mbit only (jumbo frames)
Read a lot discussions 'bout the topic and still I can't manage to achieve higher speeds.
PassMark Advanced network test shows around 270Mbit max via TCP, in both ways, UDP is around 520Mbit, but my ...
3
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1answer
309 views
iSCSI SAN - Network adapter bottleneck
My new database server (Windows Server 2008 R2) has a 4 Gbps connection to my Dell EqualLogic iSCSI SAN. I've been testing it by backing up multiple databases at the same time. There appears to be a ...
1
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1answer
207 views
Configure LeftHand iSCSI SAN for jumbo frames after clients are configured
This is similar to enabling jumbo frames on an iSCSI network after the fact but in our case we configured the switches and then went through all the hosts, enabling jumbo frames (we may have screwed ...
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2answers
218 views
Jumbo frames with wireless client
I currently have the following network configuration
Apple Time Capsule (Gigabit Ethernet router)
2 Windows desktop wired with Gigabit ethernet
1 MacBook Pro in wireless N mode
1 iPhone (obviously ...
2
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1answer
254 views
VMWare ESXi 4.1 VMXNET Ignoring MTU and Sending Jumbo Frames
On my CentOS 5.6 ESXi 4.1 VMs using VMXNET, it looks like they are attempting to send jumbo frames:
However, all the interfaces are set to MTU 1500. What is causing this behavior?
Update:
I ...
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2answers
142 views
Link Aggregation And Jumbo Frames configured but not working
I have a netgear GS110TP smart POE switch which is connected to a dual port INTEL PRO/1000PT with static link aggregation configured on the switch and PC side.
The network card and switch recognize ...
0
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1answer
252 views
How to enable jumbo frame and large TCP on Windows Server 2008
I needed to enable the jumbo frame 9000 in network setting, and I have already done that.
I still need to enable large TCP on Windows Server 2008, but how do I do that?
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3answers
2k views
Testing whether jumbo frames are actually working
Is there a command to test whether jumbo frames are actually working? i.e. some sort of "ping" that reports whether or not the packet was broken up along the way.
I've an ESXi host with an Ubuntu VM ...
3
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2answers
364 views
Enabling Jumbo Packet support on Hyper-V internal network NIC
I have a Hyper-V setup where guest OS'es accesses the host/parent OS via an Internal Network. I've noticed that "Microsoft Virtual Machine Bus Network Adapter" has support for Jumbo Packets and ...
1
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1answer
690 views
Missing Jumbo and MTU for Broadcom NIC?
I have two Broadcom BCM5708C NetXtreme II GigE NICs in my Dell Windows SBS 2008 server. I would like make one them them Jumbo Frames enabled so that I can add it to my SAN whose VLAN on the switch is ...
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2answers
485 views
Cannot increase MTU on gigabit network
I have just set up my new gigabit network and when I was about to increase the MTU to use jumbo frames, I get this error:
root@rayquang-desktop:~# ifconfig eth1 mtu 9000
SIOCSIFMTU: Invalid ...
3
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2answers
721 views
enabling jumbo frames on an iSCSI network after the fact
We're using iSCSI storage and have two dedicated VLANs for iSCSi. We didn't implement jumbo frames initially. I'd like to turn it on now. I understand I need to turn it on for the NICs that connect to ...
0
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3answers
234 views
Implementing jumbo frames on one interface and not the other
I have a distributed application that passes a whole lot of traffic among a number of machines. Currently, those machines share a gigabit network with the rest of the machines in the rack, and I'm ...
1
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1answer
2k views
Setup link aggregation and jumbo frames on VMware ESXi 4
I'm setting up an ESXi 4 server to connect to an NFS datastore. I'd like to bond two of the NICs together and use jumbo frames for the NFS connection on a private (non-management) network. I setup a ...
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5answers
872 views
Are Jumbo Frames (MTU up to 9k) realistic/common over the open Internet?
I've got an application that would benefit from larger Ethernet frames. (In theory, we could reduce the number of outbound packets by > 50%, maybe even 66%.)
I'm also in the process of specifying ...
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4answers
236 views
Are there any statistics on the number of networks using Ethernet Jumbo frames?
I am often told by Sales Engineers and Product managers that a Layer 2 Ethernet service is not fit for purpose if the maximum supported frame size is in the 1518-1522 range (enough to support standard ...
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1answer
2k views
VMWare converter performance
I have a question about my test lab. It's more to understand the concept more than apply this into production:
I have an ESXi with few VMs linux/windows configured and I'd like to use VMWare ...
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4answers
1k views
Should I disable Jumbo Packets on iSCSI network?
Let's say we have a SQL Server 2000 box that houses our main database engine.
We added an iSCSI SAN and now that server has a one card connected to the regular network and one card connected to the ...
3
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3answers
4k views
Network packet size on sql server connection string to improve throughput
We have a dataload job that moves a relatively large amount of data across the network between two sql servers. the servers are on the same subnet and there is only a switch between them. the data ...
15
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5answers
4k views
Upgrading to Gigabit Network - Enabling Jumbo Frames
I would like to begin to upgrade my SOHO network to gigabit (from 10/100) and have heard a bit on Jumbo Frames.
What would be the best way to implement Jumbo Frames on a network? From what I can tell ...
