Please help: network failover feature of ESXi
Hi all, We're going to setup a cluster using v6.7 with some ESXi server (6 NICs per server). We hope there will be high availability in network connection. After reading manual, seems we can do in...
View ArticleDHCP - ip configuration could not be reserved (no available address timeout...
Using ESXi6.7 - I have two guests A and B - Guest A is a transparent bridge, it passes traffic, it also has a management port that i can assign using DHCP (or not) 1/ If i assign a port group to...
View ArticledvSwitch Doubt
Hello, everybody; I had a doubt that I could not solve by looking at the technical documentation of VmWare, I do not know if there will be someone here who can solve the doubt. We are going to...
View ArticleUsing vSphere API, can a host be added directly to an LACP lag instead of...
I am using the ruby VMWare api, and I have successfully reconfigured host to use the LACP lag I have created, but I had to add my host to the distributed virtual switch via the regular uplink port, and...
View ArticleChange vswitch to use a different vmnic?
Hi All,I am starting to pull out what hair I have left over here! I have been trying to figure this out for a few days now and have tried the steps below on two of my hosts unsuccessfully.. I have 5...
View Articlemaximun amount of traffic on a vmkernel/vswitch/vDS?
hi guys,i'm wandering about whether there are traffic limitations on vmkernel/vswitch/vDS for the vSphere 6.5/6.7 or not.I just read this document:...
View ArticleTCP Window Zero on windows 2012 server ?
hi.. i have 2 windows server machines that max out on their CPUs to 100% (only 2 cores), and are receiving large amount of tcp (one stream), however, one server (2008) has no issues, while the other...
View ArticleVM Performance Monitoring question using V Center
Hi every body,Please consider the following example:Above we have VM1 and VM3 on an esxi. Above both VMS are using port-group VM Network on VSW. With VM 1 selected,we clicked :Monitor>...
View ArticleMigrate cluster form distributed switch to new distributed switch
We have a cluster with 8 hosts.All hosts have 4 uplinks all in LACP. All traffic goes through this uplinks (mgmt, vmotion, vsan, vxlan and alle vm traffic)They must be moved to a new dvs.If I create a...
View ArticleHow can I bridge two "VM Network" on two different site ?
I got Two site with a cluster on each.each site has his own IP addressing, but I would like to bridge the "VM Network" on the distant site to the local "VM Network" so I could start a VM replicat on...
View Articlevmk0 and port group setup with routed based on physical NIC load
My vmk0 (management) which inherits the MAC of a host is attached to a VDS port group that is configured to routed based on physical NIC load. A number of our vSphere nodes, though not all within a...
View ArticleNo network connectivity from an SR-IOV enabled guest to a non-SR-IOV enabled...
Hi, We've got the following setup (all on one host): Host with Intel 82599EB NIC (SR-IOV enabled).Portgroup which uses a VLAN.A VM with SR-IOV passthrough NIC 'connected' to this portgroup.Another...
View Articleedit ports option in distributed switch is 'grayed out' in Edit port group...
Hi,I recently got a request to add more VLANs to one host, and through web clients found that the edit option is "inactive" - grayed out' ESXi 5.5 user account : administrator@vsphere.local our...
View ArticleIs VPC reuqired for LBT
Hi, If I have one host connected with 2 pNIC connected to two different physical switches. Load balancing is LBT and active active for nic failover order. Do I need VPC between those tow physical...
View ArticleVM intermittently losses connectivity after reboot or vmotion
Hi, I have a weird issue with one of my clusters where the VMs will lose internet connection after a reboot or vmotion. It happens randomly on all the VM's in the cluster. The way I usually fixed the...
View ArticleVM Backups (Synology Active Backup for Business) at 10GbE - Which TCP/IP...
This is more of a theoretical question than anything. We currently have a single vSwitch0 that has three port groups:Management (default TCP/IP stack)vMotionVCSA VM (this is where we run VCSA)All of...
View ArticleAny benefit to place vMotion traffic on 'vMotion TCP/IP stack' if you aren't...
I thought it was best practice to place all vMotion traffic on the vMotion TCP/IP stack regardless if you use a separate gateway for vMotion or not, but after reading v6.7 documentation seems like you...
View ArticleDMZ Setup - Separate vSwitch or Port Group Better?
Please see attached images. Example A is a single port group, and example B is using two separate vSwitches. Are there any advantages to creating a separate vSwitch just for DMZ traffic over just...
View ArticleRoute based on physical NIC load - impact on live system
Hello everyone, What is the impact of switching the default load balancing to "Route based on physical NIC load" on a distributed port group where there are live VMs running? Do the VMs lose a ping or...
View ArticleDistributed switch Port Groups do not appear on host topology
I'm testing migration of VMs from an older cluster of 6.5 hosts to a new cluster of 6.7 ESXi hosts. The environment is using a single distributed switch which currently is attached to all hosts, new...
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