How to test Route base on source MAC Hash
Hi, I don't know how to test whether does it work or not because my ESX always presents with vkernel port MAC address (i have 2 physical cards). How to check which card is used ?
View Articlepromiscuous mode causes 100% packet loss on dvportgroup or packet flooding
hi , I have a classic case where in the vDS has multiple dvportgroups with individual physical nics as uplinks.1/2 case - enabling promiscuous mode on the dvportgroup is causing the flooding of packets...
View ArticleLow virtual network adapter performance [vmxnet3]. ESXi 5.5U3.
Hi, I have some problem with virtual network adapter performance [vmxnet3 - 1.4.2.0] on ESXi 5.5 U3b, guest OS RHEL 7.3. I'm sending data at a rate of 800000 packets per second (TCP stateless, frame...
View ArticleIsolate subneted VMs
Hi, I m trying to find some information on how to isolate guests in a multi customer environment in EXSi, google did not help maybe I am using wrong terminology in search . Or point m e in to some...
View ArticleVirtual Machines on one VLAN looses connectivity after vmotion to one host in...
I have a 8 node cluster . The issue is what i am facing is we have 6 Vms on one particular VLAN 103 and if i migrate any of the Vms in VLAN 103 to this particular host ESXI - 06 , the VM looses...
View ArticlePort binding: dynamic vs. ephemeral
As I study for my VCP6-DCV I'm trying to get a better understanding of dynamic vs. ephemeral port binding for dvPortGroups. After doing some research (see below) I need to conform some things. 1)...
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ESXi networking best practice
Hi everyone, recently i had to add three VM's to our ESXi and I'm trying to build this the best possible way in regard to load balancing.Initial configuration was same as on the screenshot except those...
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non-IP hash mismatch - distributed switch 6.5
Hi, I setup a distributed switch v6.5 when I activate the health check I get a warning for teaming and failover. The distributed port groups are all set to: Route based on physical NIC load. And if I...
View Articleclusters sharing VDS
I have esxi & vcenter 5.5 u3, I want to migrate to evc mode and also replace two older hardware hosts. Can I create a second cluster, turn on EVC mode and also use the same VDS? I want to migrate...
View ArticleMove from LAG to LBT on a vDS?
Hi,I have a couple of hosts and a vDS with two uplinks each in a LAG using Route based on IP Hash, that's working fine.I've been searching for a best practise way of migrating from LAGs (and Route...
View ArticleVMs assigned a port from a different port group upon reboot
So we have a situation affecting VMs in 1 port group on a distributed vSwitch with 65 port groups defined. Randomly upon reboot the network adapter for some VMs in this port group will end up assigned...
View ArticleHow to cfg specific adapter for vmkernel services
Hello, Need help configuring specific adapters for vmkernel services.I'm running vcsa 6.5 and the servers are on 6.0. I have three Dell servers. They each have a 4-port nic. I was hoping to have one...
View ArticleEx VCP 5.5 needs help. It has been a long time since I setup a vSphere...
Hi Guys, I am an ex VCP 5.0 and 5.5 but did not renew the certification after renewing once on the delta exam. The last time I setup the entire vSphere infrastructure was back in my ex company in June...
View Articlewhat is the purpose of uplinks in Distributed Switch?
what is the purpose of Uplink in distributed switch? as far as i know its used to connect vmnic to distributed switch, is that correct?
View ArticleMultiple NIC NAS with SFP+ Directly Connected + 3 HOSTS + HA + DRS + 6.5...
Good day all, I am trying to max out the performance of the NAS but at the same time I have to be very cautious as I have to deploy ESXI in 3 datacenters and the links between them are just 1Gb. All...
View Articlestrange behavior of vDistributed Switch while rebooting one of the connected...
Hello everybody, I have six ESXi server in a cluster. All are on v65 including the vCenter. Everything is up to date. Two months ago I started with a distributed Switch on server1. This worked...
View ArticleToo many connections to VM, high ping, how to increase bandwidth?
Good day sirs!We have a bottleneck with RDS server.Due to overload esxi host, we can not create cluster for now.There is more than 100 connections per VM.So the problem is very high ping latency to it:...
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Setting up TAPs in vSphere
We have a new test/dev project starting that will be looking to usesome of the latest vSphere Software including NSX, Horizon View, etc. Part of the new project is to investigate anduse a physical tap...
View ArticleLinux vlan tagging
Hello, For a specific application (Suse OpenStack Cloud), I need a linux VM with only one physical interface (eth0), multiple virtual interfaces (eth0.100, eth0.200), and the following configuration:-...
View Article4 Host vSAN Cluster - Help with Distributed Switch
Hi All- I am building out a new 4 host vSAN cluster from scratch. Each host has: - Two 10G Copper NICs - will be teamed for production vm traffice- Two 1G Copper NICs - will be used for management and...
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