Physical network best practice
Hi all I have a load/performance lab at my work , the lab have BC with 10 ESXI host (5.5) ,each host have only 2 NIC card,Till today the network bandwidth between the BC to main switch was 1GB and now...
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DVS & LAG1: What is the use of that uplink without NIC adaptors
Dear, While creating a LAG for a distrbuted virtual switch, you have to provide minimum 1 uplink.Although, after creation of the DVS with LAG, in the TOPOLOGY view, the uplink has NO adapters assigned...
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Seeking best practices on NIC configuration
Hi All, We have just received a blade chassis consists of 16 Blade Servers. Each Blade server has four 10G NICs. The Chassis has four 10G Independent Switches. So each Blade Server NIC is connected to...
View ArticleLosing all network connectivity on my host and VMs - ESXi 5.1
Hello, Appreciate anyone that can help point me in the right direction to get this solved. I keep having a problem where my whole system (host and VMs) loose all connection to the network. If I look...
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Cannot connect to hosts from vSphere client within my subnet
When I attempt to connect to my hosts from my primary subnet, I get the following error: vSphere and ESXI are both on 5.1 When I switch to a different subnet I am able to connect to my hosts. I do not...
View ArticlePromiscuous Mode
I was seeking clarification as I have seen it explained both ways. When enabling promiscuous mode on a port group only and not on the entire vSwitch (standard or distributed) that the network adapter...
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SR-IOV MACVLANs not supported (X552/557)
Hello all, I am trying to configure for SR-IOV. Whenever my VM attempts to bring up a NIC I am seeing the following in the vmkernel.logs. Any ideas what this can be? Using the new X552/557 driver....
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Network IO control: Does shares from "non used systemtraffic" influence...
Hello, I have some questions about vSphere 6.0 feature Network IO Control (NIOC version 3), some configuration parameters are not completely clear after reading the reference documentation about...
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ESXI on external Hard Disk
I have few questions, Do we have the free licenses for personal useWhen i say personal use, i want to install ESXI on my external hard disk, Is that possible ?What IP i should assign if i can install...
View ArticlePort Mirroring between hosts using HP Flex-10
Hi, We are trying to create port mirroring between 2 VMs that are located on different hosts. Both ESXs are located on the same enclosure and are connected to an HP Flex-10. Is it possible to create...
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Port Channel using 2 host
Hi Folks, Network guy needing some Vmware advise Is it possible to put 1 NIC from 2 host into a LAG group? When I do this one of the links on the physical switch get's suspened. Maybe loop...
View ArticleStandard vSwitch – clarification
Hi I am confused about assigning IP’s to a standard vSwitch and hope someone can help me with the following questions When configuring a ESXi server with vSphere 5.5 (physical) is an IP assigned to...
View ArticlevSphere (5.5) Lab network IP Mask re-configuration - Help
Hi I have a home ESXi 5.5 home lab consisting of 3 ESXi hosts (Physical). One is running OpenFiler as an iSCSI SAN for the other two hosts. All hosts are connected to a vCenter Server (VM) running on...
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vds health check
Hello, I am trying to setup a distributed vswitch.At first we went for LACP but because the health check never going "green", we decided to give a try to a normal Ethernet channel.No matter how I set...
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traffic flow within and out of vSphere host
Our security team doesn't like the vShield solution, we have it in place, and they want it retired - I now need to understand exactly when packets are forced out of the virtual switch up to the...
View Articlee1000 to vmxnet3 question
Hi AllI have windows 7 vm and changed e1000 to vmxnet3 by powercli but MAC still same.I have 2 question , because of MAC same after changing nic, would it give production impact.?2, when I migrated vm...
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NFS vmk and ISCSI vmk On Same vSwitch
Currently I have one Standard vSwitch with one vmk for NFS storage for my datastores. The vmk is using two vmnic physical adapters which are configured in an etherchannel across two Cisco switches in a...
View ArticlePromiscuous mode, separated portgroup (vlan) - Security
Hi all, i'm in the process of migrating my bare metal systems (mostly Unix) to free ESXi.Over the last weeks i've read lots of documentation regarding network setup andthere's one thing i'm still not...
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Slow Internet Upload speeds from Sophos UTM VM - but only from other VMs;...
So I have something very weird going on. I have an ESX 5.5 host with the Dell customized ISO on a Dell R310. My issue is that the Internet Upload is poor, but ONLY from other VMs. From Physical PCs the...
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To VLAN TAG on vSwitch or pSwitch??
Hi I am rebuilding my home lab network & am seeking help about whether to use VLAN tagging at the vSwitch or let the pSwitch (access port mode) handle the VLANS. Currently my vSphere(5.5) network...
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