vmware + cisco load balance
Hi all,Can you help me?I have:1) BladeCenter with 16 blades and two Cisco 3020 switches. All blades have two internal ethernet ports (one at each switch).2) Both Cisco 3020 are connected to core -...
View ArticleRe: DSCP Tagging on VDS/vDPG
In case anyone runs into this - I ended up figuring it out. If you are honoring a L3 QoS tag, VMWare does nothing with it, they only handle L2 on the VDS/VDPG - it is all handled on the physical...
View ArticleRe: Prioritizing voice traffic inside the vDS switch for Lync/Skype/sip/dscp...
Oh QoS Goodness in Lync - speaking to the choir my friend. The bottom line is this, DSCP is a L3 construct. VMWare and the VDS/vDPG only do L2. I had an interesting discussion with a network...
View ArticleMultiple cluster management distributed switch Best Practice
I currently have multiple clusters available on my vCenter appliance where each cluster serves a separate purpose e.g. Databases, Infrastructure, Production, and Testing. Currently we use multiple...
View ArticleRe: Multiple cluster management distributed switch Best Practice
What version of vCenter/ESXi are you running(?) - 6.0 has some enhancements that might help you. However I have set up similar environments with separate clusters, but for the most part sharing the...
View ArticlevDS does not come back after power outage
I have a cluster that lost power and the vDS does not come back, I'm not sure how to troubleshoot that? Thank you
View ArticlepNICs receive all network traffic
All of my 6.0 ESXi hosts receives all network frames from any VLAN. I have one vSwitch per host with NIC Teaming in some hosts. Promiscuous mode is set to reject in all hosts.Capturing and analyzing...
View ArticleHow to set correct network adapter type (according to selected guest os) for...
Now I've got error "This type of network adapter is not supported by Microsoft Windows 7 (32-bit)"So, how to set correct network adapter type (according to selected guest os, for example E1000) for...
View Articlepnics and switch
I am not strong at networking area.Can some one guide me on how to configure physical switch between pnics cables (esxi) there are 2 physical switchs and there are 4 esxi host. every hosts has 4 nics....
View ArticleRe: pnics and switch
Assuming that vmnic0 and vmnic1 are from your embedded adapter and that vmnic2 and vmnic3 are from "pci" network adapter, your network design look good, since each vSwitch have vmnic from different...
View ArticleRe: pnics and switch
but no cross connections . Each adapter is connected to a physical switch ? please share your idea for desing . is it true ?
View ArticleClik here to view.
Re: pnics and switch
Yes, I know that there is no cross connection between your physical NICs and the physical switches, but if you look a level above you will see that the "cross connection" is done a vSwitch level, so if...
View ArticleRe: pnics and switch
What is the difference between ? . Is there a disadvantage ? because usually I saw cross connection on all vcenter infrastructures ( on different company's )
View ArticleClik here to view.
Re: Distributed switch and vmkernel adapter
Create a VMkernel adapter on hosts associated with a distributed switch to provide network connectivity to the hosts and to handle the traffic for vSphere vMotion, IP storage, Fault Tolerance logging,...
View ArticleTCP Chimney Offload supported network adapters
Hi According to this KB :https://kb.vmware.com/selfservice/search.do?cmd=displayKC&docType=kc&docTypeID=DT_KB_1_1&externalId=1465I need to have a Virtual Switch that is bound to one or more...
View ArticleClik here to view.
Re: TCP Chimney Offload supported network adapters
The KB seems confusingly worded and outdated.The key here is that the reference adapters are specified as "this or greater". These are really old NIC chips and pretty much all of today's server NICs do...
View ArticleClik here to view.
Re: VLAN setup question
I am curious how you got this to work- can you specify what changes you had to make to the 3Com switch? Thanks for any help.
View Articleetherchannel
i have 2 cisco swicth and 5 esxi hosts. There are cross connection between esxi to 2 cisco swicths. 2 cisco switchs etherchannel and esxi ip hash policy . is there any problem on desing. or loop ?
View Article