ProLiant DL380 Gen9 - grouping of NETWORK cards

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• Grouping of NETWORK cards causing the ESXi to retransmit ethernet frames received.

  I had an HP Proliant DL380 G5 ESXi 5.1.0 connected to a Cisco 3750 Switch stack.

  All by performing a tcpdump on a host without a report, I discovered that he was under the bombardment with ethernet frames for the MAC address of a computer virtual located on a host across the data center. After a few brief troubleshooting, I discovered that I was able to stop those erroneous frames by disabling NETWORK adapters on my VMWare host group.
  
  I believe that in my situation when ESXi is configured to use two network cards to all frames received on vmnic0 and retransmits them on vmnic1 and vice-vesa. I experienced these symptoms when ESXi is configured for failover with an active adapter and adapter mode standby and I also experienced the same symptoms in the following load balancing configuration.
  

  
  

  Symptoms: some time after activating the load balancing, all frames Ethernet for the MAC address of a virtual computer on the affected host are broadcast on each switch port in the entire data center.
  
  Steps to reproduce:
  (1) implementation below configuration.
  (2) unplug the ethernet cable connecting vmnic1 and switch1 port gi2/0/4
  (3) run the host 1.1.1.1 EI - n - q tcpdump on any machine physics linux in the data center (don't even have to be connected directly to 1).
  Confirm there is no packet seen with the IP address of 1.1.1.1 destination
  (4) plug the cable between vmnic1 and switch1 gi2/0/4 port ethernet
  (5) wait 60 to 120 seconds
  (6) watch a burst of frames ethernet with the destination MAC address of the VM (which owns 1.1.1.1) in the output of tcpdump

  Cisco Configuration:

  hostname switch1
  !
  src-dst-ip port-channel load-balance

  !

  interface GigabitEthernet1/0/4

  Description vmnic0.host0 (NIC 1)

  switchport trunk encapsulation dot1q

  switchport mode trunk

  channel-group mode 4 on

  spanning tree portfast trunk

  end

  !

  interface GigabitEthernet2/0/4

  Description vmnic1.host0 (NIC 2)

  switchport trunk encapsulation dot1q

  switchport mode trunk

  channel-group mode 4 on

  spanning tree portfast trunk

  end

  !

  Interface Port-Channel 4

  Host0 description

  switchport trunk encapsulation dot1q

  switchport mode trunk

  spanning tree portfast trunk

  end

  
  Configuration of ESXi
  vSwitch0

  Grouping of NETWORK cards / Load Balancing: route based on IP Hash
  Grouping of NETWORK cards / failover detection network: link status only
  Grouping of NETWORK cards / notify switches: Yes
  NIC Teaming / relief: Yes
  Grouping of NETWORK cards / adapters active: vmnic0, vmnic1
  NIC Teaming / standby adapters: nothingness
  NIC adapters grouping / unused: nothingness
  Security / Promiscious Mode: reject

  Security / MAC address changes: accept
  Security / forged passes: accept

  
  #1 Virtual Machine port group
  Network label: 'Public '.

  VLAN: 27
  Grouping of NETWORK cards: all unchecked (inherited)

  #2 Virtual Machine port group
  Network label: "trunk".
  VLAN: 4095
  Grouping of NETWORK cards: all unchecked (inherited)

  VM kernel Port #1
  Network label: 'management '.
  VLAN: 2

  Grouping of NETWORK cards: all unchecked (inherited)

  VM #1
  

  OS: Windows Server 2003
  NIC 1 / adapter: Flexible
  NIC 1 / network Label: 'Public '.

  IP address: 1.1.1.1/24

  I apologize for the delay in my response.

  Unplug physically 2 cable NETWORK card on the host and configuration mirrored port on the switchport to 1 NETWORK adapter of the host, I have been able to confirm that the host VMWare issues guides on NIC1 with a destination MAC address of one of its own VM.

  After carefully reviewing the captured data, I noticed that the destination frames wrong "02:bf:cb:50:a2:76" MAC address actually belonged to "Local Area Connection 1' one of my Windows 2003 Server WHAT VM installed on the suspected host.

  Dig a little deeper, I discovered that this virtual NETWORK card is presented to the operating system as
  Name: Local 1 network connection
  "Type: VMware Accelerated AMD PCNet adapt."
  MAC: 02-BF-CB-50-A2-76

  But the configuration of the virtual machine in vCentre is
  Name: Network adapter 1
  Type: Flexible
  MAC: 00: 0C: 29:fa:e8:83

  Note the different MAC addresses.

  Digging a little further I discovered that Windows 2003 server has configured on "Local 1 network connection" network load balancing and NLB is the cause of the altered MAC address.

  Rather than to investigate further I have just placed a load balancer linux before the server windows 2003 cluster and that you turn off NLB.

  But I suspect that there is still a fundamental problem in the Virtual Switch VMware with how he learns the MAC addresses of the virtual machine is using flexible vNIC. In particular, with a virtual machine that uses a form to override the MAC address such as that used by NLB.

• iDRAC 7 express, grouping of network cards

  Hello

  I can't access iDRAC when the grouping of NETWORK cards is configured. Is it according to the design guidelines? There is no work around for this?

  #idrac7express #NICteaming  

  Hello.

  Yes, it's normal. IDRAC Express does NOT use a NETWORK card dedicated for remote access, but rather use a LAN on motherboard (LOM) as a shared port. Now, once you have Teaming on the LOM ports, then the iDRAC Express cannot share all the ports with the team. The solution is to upgrade to iDRAC Enterprise that uses another port dedicated team card NETWORK for management traffic. See page 4 of the link: downloads.dell.com/.../integrated-dell-remote-access-cntrllr-7-v1.30.30_Setup%20Guide_en-us.pdf;. l = en & cs = 555 & s = biz

• Grouping of NETWORK cards

  Hello

  I am new to virtualization and have a basic question about the collection of NETWORK adapters. I have a host with a NETWORK card with 2 ports (vmnic0 and vmnic1). I have a network cable connected to vmnic0 and vmnic1 is open without any network connection to the outside world. Can I use grouping of NETWORK cards in this case? Or both network adapters must be connected to the network for NIC teaming to work?

  You can certainly configure everything as if the two vmnic was active. However, with a single uplink connected to a physical switch, it may not make much sense.

  André

• vSphere replication - grouping of NETWORK cards

  We have a large virtual machine (60 to VMDK) we need to replicate to a second host.  We are currently receiving about 100 MB/s and it seems we're reached the limit of 1 GB.  I want to increase the bandwidth available for this large replication work by aggregating traffic through several nic is it possible?  If so, how?

  I tried the following approach, thinking that these operations can be based on the same transfer mechanism, but it has not made a difference.

  http://KB.VMware.com/selfservice/microsites/search.do?language=en_US & cmd = displayKC & addresses...

  The KB points it is grouping of network cards that will help when you lost the active NIC then stand by will pass your tgraffic.

  Now coming to your scenario, you need to configure the user profile of the NIOC here you have to devote all the speed of the network to this replication job card. You cannot aggregate multiple Nic for reaching the combined capacity. We have a concept called LAG and LACP. but it will also give the speed that is independent to the different traffic

• Failed to create FT logging with grouping of NETWORK cards

  I use vSphere vCenter 5.1 and 5.1.

  I create a port group of kernel VM on a new vSwitch, assign two NICs used on my ESX Server and logging FT. I have then add a second port VM kernel group to the two network cards and also assign FT logging. When I do this FT Logging the first port of kernel VM group is disabled. If I then manually enable FT gones then a second by logging on the first group of ports of kernel VM mode off.

  The same thing happens when I create 2 vSwitches, assign 1 NIC to each of them and assign the FT logging.

  I wanted to create my FT Logging predisposees in this way to match what I've done with vMotion and VM Network.

  I do something wrong or you can have a group of ports per server for recording of FT? Please notify.

  Thank you

  Multi-NIC VMotion is a new feature in vSphere 5.0. Multi-NIC FT has not yet been introduced. You mentioned trade Multi-NIC VM, but it is not possible either. While you can have two interchanges to connect to the same VLAN they must have unique names and a VM NIC may connect only to a unique name.

  What advantage do you hope to achieve with Multi - NIC FT? If the goal is more throughput 10G is the only option currently. If the lens is better traffic load balancing so that you could watch LACP on the vDS.

• Tests... Grouping of NETWORK cards - based IP Hash

  Hello!

  I am configuring the NETWORK cards on my vSwitch grouping feature. I configured several ports in two physical switches (two HP Procurve 2810) (HP 2810 switches obtained haven´t etherchannel) LACP mode available. Right now, everything is Ok.

  So my question is: How can I test if the IP hash function works well, it is, connecting the same virtual machine with the help of several physical NIC according to computers ask server information?

  I thought about using "sniffer" or something like that. More ideas?

  PS: I tried to configure the collection of NETWORK adapters - Hash IP without configuration LACP in my physical switch and I noticed haven´t alarms or internal errors. May I take it that it works well?

  Thanks for all!

  With ESXTOP command you can see network load on each physical network adapter. Press N to see details on the network.

  I'm not familiar with the switches HP, but (like Cisco), it should be possible to see the counters on LACP or detailed statistics on your switch.

  If you do not use load balancing on your physical switch, all incoming traffic from the network of your virtual machine can come on one single network card.

• Grouping of network cards on the PowerEdge R320 and R720 servers

  Hello

  I have several R320 servers with quad port NIC broadcom. I would like to configure the collection of NETWORK adapters on the Server 2008 R2, but I couldn't find a download on the website of Dell application, could someone ' a please point me in the right direction.

  I also have a Dell server with Vmware Esxi 5.1 R720, is it possible to configure NETWORK cards on this grouping?

  Thank you

  Dan

  Guys,

  Is the possible consolidation of NETWORK cards? I would have thought that it is something that would be fairly simple with the right driver.

• Grouping of NETWORK cards reverse the policy

  When I apply a profile esxi 5.0 to 5.1 host, I got the following configuration message. any ideas?

  Hello

  This is mentioned in the 5.1 version of vSphere notes:

  Compliance policy network outages continue to host profiles created from applied guests 5.1 ESXi ESXi 4.1 or ESXi 4.0 hosts
  After you apply a profile created from an ESXi 4.1 or ESXi 4.0 host host to a 5.1, the failures of compliance profile next host ESXi host could continue:

  For the network policy for the Group [NAME of GROUP of PORT] port spec.policy.nicTeaming.failureCriteria property does not match
  For the network policy for the Group [NAME of GROUP of PORT] port spec.policy.nicTeaming.reversePolicy property does not match

  
  

  Network settings above are not supported on ESXi 5.1 hosts and are configured is more when you apply a host profile with these settings.

  Solution: Two options are available:

  • After applying host initially created from an ESXi 4.1 host to a host profile ESXi 5.1, create a new profile of the host from the host ESXi 5.1 and which attach to this 5.1 ESXi host and other affected 5.1 ESXi hosts.
  • Change the policy of grouping of NETWORK adapters in the profile of the host to the option user must explicitly choose political instead of the strategy of grouping NIC specified.

  Now I know IVotre profiles are at the origin of 5.0 but the thought to mention it anyway

• Configuration of VLAN with grouping of NETWORK cards.

  I have a Dell Poweredge server here at work with 2 NIC cards on it.  I have the ESXi hypervisor installed and created virtual machines. I want to use two network cards that the lables vmnic0 and vmnic1 VMware.  I would like to share the same subnet.  See the attached screenshot.  vmnic0 works very well and it is connected to vswitch0.  My management network uses this same vmnic0.  I guess I have to turn on VLAN somehow.  Do I need to do to the ESXi Server Console?  Goal is to be able to put a box until the server ESXi Dell itself and connect a crossover cable and have an IP address to be able to get leased to it in the same subnet, connected on the vmnic1. Thank you

  The problem here is that there is a requirement of 3rd communication. The esx server you are converting to must be contacted as well.  If you connect your machine of transformation of the physical machine, you can convert local files, which should be no problem.  But, you don't want to keep these files locally on the server of conversion, you are trying to convert it to ESX, correct?  It's the difference between your previous method and your current attempt.

  -KjB

  VMware vExpert

• VMotion and grouping of NETWORK cards to a single virtual machine?

  You use them NOR allows the parallel VMotion for VM.

  A unique virtual machine enjoy a network of bulk VMotion?

  It would be logical for VM; s with large RAM configurations.

  Not a single virtual machine can never enjoy HASH IP nic teaming because the "source ip" and "destination ip" is always the same for each ip packet.

  Ken wrote an article great blog on the topic of reunification by the way: http://kensvirtualreality.wordpress.com/2009/04/05/the-great-vswitch-debate%E2%80%93part-3/

  Duncan

  VMware communities user moderator | VCP | VCDX

  -

• Grouping of NETWORK issue cards *.

  Hello

  I am new to this field of vitrulization, but not in the networking arena,

  My question is:

  Where is the collection of network adapters and applied failover?

  I'm a bit but confused when reading Scott Lowe book "Mastering Vmware vSpehere 5 '

  
  

  It has configured NIC teaming in Vswitch0 when using VSS and while in VDS it he set up in dvport-group?

  
  

  Pourrait
  

  In fact, you can configure the grouping level vSwitch and substitute in port groups. According to which groups of ports configured, it is logical or is even necessary to override the grouping of NETWORK cards. Think, for example, iSCSI network where only a single vmnic must be associated with each VMkernel port group.

  André

• NETWORK card not detected after installing ESXi 4.1?

  Hi all

  I installed the ESXi Server 4.1 on a single server with the following configurations,

  CPU = Intel (R) CPU Xeon X 3430 @ 2.40 GHz

  Memory = 16GB

  NIC = Intel 82574 L Gigabit Network connection-2 no

  After that ESXi installation a NIC card not detected. But two cards network is the same configuration. Due to this problem, I can not configure grouping of NETWORK cards. Please suggest me. Thanks in advance.

  Hello!

  On the screenshot that you are using a motherboard Intel S3420GP. Just a NETWORK card is 82574L, the other on board is a 82578DM, which is not supported. So you will need additional network cards.

  See you soon,.

  Martin

• groups of ports (number of network cards)

  I understand that a virtual machine vMotion between esx hosts network configurations must match (port groups/virtual switches).

  I would like to know as long as port groups and virtual switches correspond between the guests, whatever the number of network cards is assigned to a virtual switch for vMotion work?

  Example:

  ESX host: Host1 - vSwitch2 with groups A, B - a vmnic2, vmnic3

  ESX host: Host2 - vSwitch2 with Group A, B - a vmnic2, vmnic3, vmnic5

  VMotion will still work in this scenario. I think that the game groups and port vSwitches, he cares about the number of network interface cards.

  Thanks in advance!

  You are right.  It does not matter if you don't have the same number of physical adapter assigned to a vSwitch for vMotion to work.

  VCP 3, 4

  www.vstable.com

• Adding a second NETWORK card on the server HP Proliant ML 350 G5

  I have a new HP Proliant with a guest of Windows 2008.  HP came with two network cards on the MB.  I need double-home this box on both networks, at least for a while, and this server will be the only road between subnets.  It's just a stand-alone installation inset.

  I looked in the settings of the BIOS on the HP and it's a little confusing, but I'm sure that the second network card is active (it lights up when it is plugged).  When I try to add a NETWORK adapter to the configuration of the host, it is as if the second NETWORK card is not present.

  My question is what is the best way to add this second NETWORK adapter and how do I do that?

  I'll need access to the host of the VI Client on both networks - at least for a while.

  Any help would be greatly appreciated.

  If you go to configuration-card network in the vSphere client is the 2nd NETWORK card that there are listed?  If ESXi is able to recognize the NETWORK adapter (or other people that you add) they should appear in this list without any config changes and be ready for use.

  What kind of networks are you fill?   If one is considered not secure you could be better not add a management on this network port and prefer to have access via a VPN VM or a secure hosted VM / dual.

  Dave

  VMware communities user moderator

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