Network performance problems since Build 1021289
Hi, we use Cisco Nexus 1000v (4.2(1)SV2(1.1a)) as DVS with 2x 10 GigE Uplinks for vMotion Interfaces (NIC: Broadcom BCM57810). Jumbo Frames are activated on all relevant switches.Before the ESX patch...
View ArticleVSPhere 2 NIC setup assistance please
I am new to VMWare virtualisation and I am in the process of setting up a VSPhere server to handle Zentyal/Linux based domain management system. So far I have managed to get our VSPhere server up and...
View ArticleHight Network Latency from VM!
Hi, I'm noob to VMWare configuration and don't know why I'm getting 1.4ms to ping a physical server in the same network. I've a R620 with VMware 5.1 ESX. in there we have 5 VMs all Linux with 2 cores...
View ArticleWhat's the best practice for architecting dvSwitches with different zones...
Do I create a separate vswitch instance for dmz vs production traffic? Any good articles on this? Thanks, -anne
View ArticleSetting up 2 gateways to different networks? and the help article everyone...
I have the same issue although I have 2 different networks and 2 defferent Gateways that I need to connect to for internet access. One network has the 99.999% uptime and the other is a 99.9% so it...
View ArticledvPort Group Odd Behaviour
Long story short, I have migrated the network configuration of a couple of hosts we have to dvSwitches. That seemed to go fine. Now however we are looking to implement network I/O control. I have...
View ArticlevDS is it one point of failure or not?
Gents Hi I would like to know, if I create a vDS vNetwork Distributed Switch on vCenter 5.1 with hosts 5.1 as well what happen when the vCenter is crush or down for some reasons??
View ArticleOdd link aggregation problem
I'm having an odd problem with link aggregation between an ESXi 5 host and a 3COM Baseline 2924-SFP Plus switch. This is a standalone ESXi host with a dual-port NIC card. The networking is set up with...
View ArticleVirtualBox, Windows Server 2012 and Linksys E4200 router
I'm trying to set up Windows Server 2012 on VirtualBox. It installed just fine, and it can get out on the net if I leave the 10.1.1.1 setting in the IP config. I've been trying to get this server to...
View ArticleAre 2 10Gb Nics enough?
I am working on a datacenter project that is going from FC to NFS storage (NetApp). The blades the customer is looking at have 2 10Gb ports. I have requested an additional 2 ports via mezzanie card but...
View ArticleClik here to view.
Cannot do "Show Run" after adding extra port to port profile - Nexus 1000v
Hi all,I've been trying to add another port to a port profile on a Nexus 1000v.I've got as a far as adding the extra port to the port profile - we had it set to 2 - I can now see the max ports is...
View ArticleApplications Forging Mac Addresses - Can't Receive Them
I've googled for some time and haven't come across my answer yet. I have enabled Forged Transmitsand Mac Address Changes on ESXi 5.1 I have an application such as scapy that I'm using to receive and...
View ArticleFirewall Virtualization
We've basically completed our server virtualization/consolodation, and we're now working on virtualizing many of our appliances, and the next one coming down the pike is our firewall. Compute wise,...
View ArticleConfiguring uplinks with 4 pnics
I have 4 pnics. I'm looking to use 2 for management, vmotion, ft and 2 for production traffic. Should I use any kind of link aggregation? Should I set up my uplinks in active / standby configuration?
View Articlen1kv with static dvports and autodeploy
Does anyone know a way that I can either capture into a host profile or have the values read into the auto deploy process for the specific dvports that are assigned to the vmk ports on my esxi servers.
View ArticleSystem network resource pools & NIOC
Hello, I am concerned about system network resource pools and their impact on the user-defined network resource pools. For example; if I create three user-defined network resource pools for virtual...
View Articleesxtop and client performance chart discrepancy for receive packets dropped
I am having difficulty analyzing the various data I receive at the host level, versus within the vSphere client. I need this to determine if a change I made to a VM is fixing a specific problem, as...
View ArticlevSphere 5.1 vSwitch recommendation for 20 NIC ports
Hi guys, let's assume your environment consists, more or less, of the following:- vSphere 5.1 Enterprise version (NOT Enterprise plus - so NO distributed switches)- 3 Hosts with each 20 1Gbit/s NICs...
View ArticleWhy only 4 vmotions with 10 GbE?
I have a very curious situation...at one time, I am sure I was getting 8 live vmotions at a time when I would put a host in maintenance mode. Now I am only getting 4!We 4 H- BL 680c G7 blades...
View ArticleClik here to view.
ESX 4.1, IBM BladeCenter (Nortel / BNT Switches) in blocking state
Hello, I am trying to resolve an issue I uncovered related to networking and our vSphere environment... I have an IBM BladeCenter H with 3 HS22 servers running ESX 4.1. I have Nortel (BNT) Layer 2/3 GB...
View Article