Vmotion with 10 Gb network taking 6 mts for one Vm
We have 3 ESX 5.5 UPDATE 1 with 3x 10 GB NIC cards . We are using separate 1 port for in each esx for the vmotion as a STD sw . While doing a vmotion it is very very slow and it if we are...
View ArticleWhat happens if PVlans are on physical switches but not in VSphere hosts??
We have the possible scenario where we'll need PVlans for a few projects. However, only 3 of our 10 hosts have EnterprisePLUS license to support VDS for PVlans.We can get away with having those special...
View Articletrying to transmit traffic that is unknown to the vswitch
Hello, I have an umbuntu-based vm that is connected to a vswitch. The vswitch is tagged on the uplink to a cisco 3750. Pinging between a host on the 3750 and the vm works. I am trying to use...
View ArticleVmotion traffic isolation
Hi,I have created separate vlan for vMotion traffic. Uplink physical Switch is L2,that means vlans can't communicate with each other. As per best practice vm and vMotion traffic has to be on separate...
View ArticleUnable to bond Etherchannel on ESXi 5.5
I couldn't seem to get an etherchannel working properly on a ESXi5.5 host, I'm not using vcenter and was attempting to aggregate the links to a Cisco 3750. I referred to the kb article below, I...
View ArticleAdding Resource To vSwitch
I am periodically asked to make some mods in our VMWare environment. I am definitely an inexperienced user, but I understand the environment at a basic level. We have two vSwitches - vSwitch0 on a...
View ArticleTry to understand traffic flow from VM to the host itself
Hello I'm currently try some stuff in an All-in-one lab environment. I have a one ESXi host with a iSCSI serving VM on it and the ESXi host itself uses this iSCSI storage for VMs. Following...
View ArticleCan we configure LACP for multipal ehternet on ESXi
Hi all,Can we configure LACP for multipal ehternet on ESXi ThanksRaavi
View ArticleSetup an HP 534FLR-SFP+ 10Gb 2 port Ethernet adapter into multiple vmnics...
Does anyone knows how to setup an HP 534FLR-SFP+ 10Gb 2 port Ethernet adapter into multiple vmnics within Vsphere 5.5? We now only have 2 10Gb vmnics available in ESXi 5.5. We need to separate the 2...
View Articlenetwork speed dropped significantly - looking for confirmation
We were notified this morning by our backup team that one of our Exchange backups took 14 hours to complete. A huge difference than yesterdays 2 hour completion time. After looking at the performance...
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Jumbo Frame is the devil and so is NFS.
Experiencing poor NFS. VMWare blames EMC, and EMC blames VMWare. Ignoring that issue I thought maybe that I could enable jumbo frames to gain a little better performance. I have jumbo frames enabled...
View ArticlevSphere 5.5 using uplink group with LBT that doesn't have a good path
We have been using LBT for our recent deployment, which is new to us. Everything seemed fine and dandy, until recently VMs started dropping their connectivity at what seemed like random times. The...
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Uplink ESXi 5.1 to Nexus1000v connection issue after updating 4.1 to 5.1
Hello everyone!I've faced some difficulties during updating my ESXi 4.1 to 5.1.At first I had problem with my Nexus1000v. vDS didn't see ESXi 5.1 and i was unable to add ESXi to Nexus. I've found a...
View ArticleBest Practice for Creating NIOC shares
What is the best strategy for keeping a consistent, intuitive, allocation of NIOC shares in an enviornment with many different virtual distributed switches?For example, I have one distributed virtual...
View ArticleDRS in a cluster as I slowly migrate hosts over from vSwitches to vDS
Hi everyone, I'm getting ready to migrate all of my virtual machines over to vDS. I was thinking about first getting all my hosts on the vDS mgmt and vmotion network first. Then slowly migrate my VM...
View ArticleEasy question, how do I ping a specific VLAN/gateway to confirm connectivity?
A little background on this one I have to introduce two new hosts into a 6 node cluster. Unfortunately there are no vDS but that’s a different matter. I have been assured by the networking guys that...
View ArticleUCS 10GB with no DVS
HI guys, I have a Cisco ucs deployment using B-series fabric and was wondering the best practice for vswitch config. Using VMware Standard for now so no DVS. Most guides are based on DVS so any help...
View ArticleMAC address mismatch
When setting up a linux host....if i initially create >3 network interfaces, there are MAC address mismatches between VMWare and the host OS. for example, eth0, 1, and 2 may match the first 3 VM...
View ArticleESXi-Networking
I've ESXi server with 3 NICs and I'm seeking advice for best practice to connect:My network environment : One Cisco Router connecting external ISP. Two switch...
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Cisco Nexus 1000v SNMP counters bug
Hello,I am using Cisco Nexus 1000v version 4.2(1)SV2(2.1a).I am trying to use SNMP to measure the traffic on each vEthernet of the switch but I encounter the bug described here...
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