dvSwitch color codes for uplink ports
Hi I have a couple of distributed virtual switches with 9 member hosts (all of them BL460g7 blades with virtual connect flex-10 networking hardware)I have observed differences between the colors of the...
View ArticleVDS config best practice
Hi I have the below config, and need to determine if it needs modification or the current config is fine as is. We have 3 Clusters Cluster 15 x Rack mount servers each with 6 VMNICs (1GBps)2 X VMnic in...
View ArticleVM's interface rx-counter decreased after snapshot
Hi All, we found that the interface conter (e.g. eth0) has been decreased during/after a snapshot: 1. #> ifconfig eth0 | grep "RX" RX packets:61895 errors:0 dropped:0 overruns:0 frame:0...
View ArticleVmotion Nic question regarding implementing vsphere 5.1 solution with SAN
Hey, We are in the design faze of a vsphere 5.1 implementation. The specific question that I have is should I put the Host vmotion traffic on my core flat network or on the Iscsi network? Thanks,Rob
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VM Packet Drops etc..
Do you know if there is any recommendations how to setup the NIC Teaming/Failover in vmware together with Emules VFA2?We have some strange traffic patterns from the vmware environment to the core.Also...
View ArticleUsing distributed switches with physical NICs and with Cisco UCS / virtual I/O
I need a plan to create distributed switches in an enviornment that has two different types of servers. One type of server is Cisco UCS with virtual I/O. The other HP servers have physical NICs. The...
View ArticleNeed some advice/help on this setup
Hello All Over the last few weeks I have been working on an issue, by looking here and following guides etc. All with no resolution , so I am reaching out and askingfor some advice/resolution on this...
View ArticlePros/Cons single or multiple dvswitches in vSphere 5.1
Hi, in most configuration scenarios and also in "VMware Distributed Switch Best Practices" document you always see that just a single dvswitch where the required PGs are added is used and NetworkIO...
View ArticleMixing Management and Backup traffic
I am using 5.1 and have a dvSwitch that has a vmkernel port for management traffic as well as a virtual machine port group for traffic used to backup the environment. Backups run nightly and use a lot...
View ArticleBest Design for NFS virtual networking without LACP
I'm using 1 dvswitch for NFS. I have 2 physical NICS at 1GB dedicated to it. There are less than 20 VMs and light storage traffic. I'm using Enterprise Plus licensing on 5.1. I cannot use LACP on...
View ArticleBest design for 1GB NFS
I have 4 1GB uplinks available from my ESXi 5.1 host to use for NFS. On the array side, I'm using only 1 IP for NFS. There is a 10Gb Etherchannel link between the array and the physical switches....
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vmk0 in different subnet than vmnic it is attached to on dvSwitch yet it...
I noticed that one of my hosts vmk0 IP is in the 192.168.200.x subnet but it is in a port group that is connected to a vmnic that is connected to a switch in the .111 subnet.(see observed networks) I...
View ArticleRX buffer size not changing
Hi,I am using a Intel 82599EB Network card and when I try to change the RX buffer setting using ethtool, it doesn't complain but doesn't change the value betyind 456. Can someone help me changing it ~...
View ArticleGetting the real NIC interface info from the Vmware Guest OS (Linux). Esxi 5.0.0
Hi,Getting the real NIC interface info from the Vmware Guest OS using vmxnet3 driver. We are using our application on the vmware guest OS. (using vmware esxi 5.0.0)One of our requirement is to find the...
View Articlehow to add vLan to nexus 1000kv switch
Hi how to add vLan to a nexus 1000 KV switch from vCenter or from UCS manager ,please suggest.
View ArticleHow to separate backup traffic in virtual switches
I am using Avamar backup agents on ESXi 5.1 with distributed virtual switches. Avamar uses proxy agents on each cluster to assist with the backup traffic. Avamar proxy agent is on esxi host 1. The...
View ArticleRemove VM from vCSrv5.1 Inventory and Access Via Client
Hi to all We are in the process of moving servers from Boston to Atlanta but not all at once. One server on an ESXi5 host will move to Atlanta tomorrow. We will need users to access the vms on it in...
View ArticleUsing Distributed Switches on differing physical NIC configurations
I have some sites running multiple kinds of physical servers. Some have 4 x 1Gb NICS, some have 10 x 1Gb NICs, some have 2 x 10Gb NICs. Each of these physical NIC configurations has different design...
View ArticleUsing vSphere Distributed Switches on remote sites
I have some very small sites with 2 physical servers. They are connected to a vCenter over the WAN. That vCenter uses distributed virtual switches for all local ESXi hosts. What are the arguments for...
View ArticleBest Configuration for 4 x 1Gb Physical NICs
I have some servers with 4 physical NICs (can't add any unfortunately). This is ESXi 5.1 with Enterprise Plus. Tr affic load is very light with less than 20 servers on two hosts. Storage is...
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