Quantcast
Channel: VMware Communities : Unanswered Discussions - vSphere™ vNetwork
Viewing all 1365 articles
Browse latest View live
↧

Migrating from Standard Switches to Distributed Switches

March 15, 2017, 11:32 pm
$
0
0

Hi Experts,

 

We are in process of migrating from Standard Switches to Distributed Switches in 6.0,

 

Right now we have multiple vendor hardware , like Dell chassis ,CISCO chassis , Dell standalone.

Dell Chassis : we have 4 NIC with traffic Production, Backup, Management & vmotion, NFS all combined in one vswitch 0

CISCO chassis : we have 10 NIC, 2 NIc for production vswitch1 , 2 nics for Backup vswitch2, 2 NICs for management & vmotion vswitch0, 2 NICs for nsf and vmotion vswitch 3 and other 2 NICs for private vlan vswitch 4.

Dell standalone : 6 nic , 2 for Production vswitch 1, 2 for backup vswitch 2, 2 for management and vmotion vswitch 0.

so now we have move above standard switches to Distributed Switches, my question can we migrate this different hardware with multiple up-links to new DV switch.

 

 

Please help me.

 

Thank you in advance.

↧
Search

Jumbo frames Can I set MTU higher than 9000 ESXi 6.5

March 21, 2017, 5:57 am
$
0
0

Is 9000 the highest supported MTU size for ESXi? SQL can go as high as 32,000.  We have a SQL server and it's associated application on the same host. Is there a way in the VDS, to set communication between these two VMs at a higher MTU than external communication? Or, does this require NSX?

↧
↧

Internal networking setup causing issues when vmotioning servers

March 22, 2017, 3:23 pm
$
0
0

I have 2 virtual servers setup where the client server "ClientA" connects to a SQL database on the database server "ServerSQL". I've found that on our VMware ESXi 6.0 farm that when I manually storage vmotion a large virtual server (2 to 6TB disks), the client server "ClientA" loses its network connection to the database server "ServerSQL" and shows a network error.

 

I believe that the storage vmotion traffic is being transferred over the LAN, and it seems to be somehow interfering with the normal server data network. How do I prove this and then fix it?

 

My Setup:

 

* 4x UCS B200 M4 servers setup as VMware hosts connecting via a virtual center server.

* Each host has 5 NICs:

---- vnic0 & vnic1 for VMOTION VLAN010 (IP: 192.168.1.1) and Management VLAN120 (IP: 10.96.12.51).

---- vnic2 is for all data VLANs for server network comms. VLAN010 (IP: 10.100.125.xxx)

---- vnic5 is for SQL Heartbeat network VLAN217.

---- vnic3 is for DMZ network VLAN101

 

Note that VLAN010 is defined as the VMOTION VLAN and a DATA VLAN on different NICs and I assume this is where the issue is?

↧

Network IO Control question

March 24, 2017, 4:24 am
$
0
0

Hi,

 

I have two cases where I will be using VMK ports for traffic types other than those listed under NIOC's System Traffic Types (like vmotion, management etc.), one will be the VMK port used by ScaleIO and one will be a vmk used to keep NBD backup traffic on the backup VLAN.

I have only 2 10G uplinks per host so need to use NIOC to control the traffic, I cannot see any way to assign shares/reservations to the ScaleIO and Backup traffic types that will be using the VMK ports.  I can only control VM traffic or the system traffic types as listed.  I'd like to assign shares etc. to the VMK ports.

 

Any ideas?

↧

Does ESXi throttle bandwidth per vm for NBD backups?

March 28, 2017, 1:19 pm
$
0
0

We recently moved from our previous product which did Hot Add backups to a newer product called Rubrik which does NBD backups (no negative comments on this please ). We have dedicated 10GbE to our Cisco Nexus core and backend storage is a Pure Storage all flash over 8Gbps FC. We are seeing decent speeds for NBD, although nowhere near previous. However, it still is not hitting even gigabit speeds. On our Cisco UCS, which has 4 blades sharing dual dedicated 10GbE uplinks for management network, its even worse. Its like running 100Mbps!!!

 

I tested with an HP server (Proliant DL585 Gen 7) with only gigabit links and it was only around 1MB/sec. The UCS is around the same. When I upgraded the HP server to 10GbE, it went to about 125 MB/sec. I have confirmed that it is configured correctly at storage and switching. Any thoughts on this? Why does ESXi seem to be limiting the bandwdith per vm to roughly 10% of bandwidth on the management NIC? vMotion is getting around 300MB/sec. I feel that should be faster as well.

 

ESXi 6.0 50505093

vCenter 6.0 Build 4541947

 

 

Feedback appreciated.

↧
↧

2 nd NIC for Cluster Communications

April 4, 2017, 12:50 am
$
0
0

Hi

 

i got a MS File Server Cluster (2012r2) both Servers have 2 NICs. One Nic should be for the normal LAN Communication, the 2nd NIC should be for internal Cluster Communication.

between the File Servers. The Servers are placed on a ESXi Farm with 5 Hosts under Vmware 6.0. Is there a chance to make it that way? Or what could be a solution which made sense.

 

Thanks for the help in advance

 

Greetings

rootoil

↧

ingress and egress traffic shaping

April 4, 2017, 12:21 pm
$
0
0

Dear all

Hi

 

are these correct about ingress and egress traffic shaping?

 

1- ingress = traffic from vm to vds and vds to wan or lan

2- ingress is output traffic

3- egress = traffic from wan or lan to vds and from vds to VM

4- egress is input traffic

 

are these correct ?

↧

Can you move ESXi Hosts with distributed switches from one vCenter to another?

April 20, 2017, 4:29 pm
$
0
0

Hi,

 

Can you move ESXi Hosts with distributed switches from one vCenter to another? I know you couldn't under previous versions of ESXi but I assume that has changed now.

 

We do it all the time with hosts that use the standard switches so that is not an issue.

↧
Search

Traffic Flow in Nested VM

April 26, 2017, 6:35 am
$
0
0

Hello

 

Can anyone plz explain how does a packet flow in a Nested Cloud Environment?

 

Thanks

↧
↧

Unable to vMotion between hosts

April 28, 2017, 6:52 am
$
0
0

Hi there!

I'm trying to vMotion VMs between an old cluster (vsphere 5.5 / dvSwitchs 5.5) to another one (vsphere 6.5 / dvswitch 6.5).

I'm using vCSA 6.5 Flash mode.

 

It gives me the errors:

 

"Change the network and host of a virtual machine during vmotion is not supported on the "source" host"

 

"Current connected network interface "network adapter 1" cannot use network XXXXXXXXX becuase the destination vDS has a different version and or vendor than the source.."

 

Source vDS = Version 5.5 | ESXi host version 5.5

Destination vDS = 6.5| ESXi host version 6.5

 

I already have changed the vendor to VMware, Inc. with this KB in mind: https://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=2126851

 

Any clues?

 

Best regards

↧

Migrate an Existing Virtual Adapter between vSphere Distributed Switches

May 3, 2017, 7:24 am
$
0
0

We are in the process of Migrating our 5.5 esxi hosts and vCenter 5.5 from 1Gb Nics to 10Gb Nics.

 

We currently have Two Distributed Switches, one which is has two 1Gb Nics which has a MGT port group which has a virtual adapter for management traffic. The other distributed Switches has two 10Gb Nics in them, with a MGT port group and port group for each vlans. We have already migrated the VM traffic over to the 10Gig. I just need to migrate the virtual adapter for management traffic over to 10Gb Nics.

 

All the documentation states you can migrate virtual adapters between standard switch and Distributed Switch and vice versus, but do you know if it is supported to migrate virtual adapters between Distributed Switches. I cant seem to find anything to confirm this on the Documentation Center.

 

In my virtual test lab i have managed to do this, by clicking on the Distributed Switch which you want to migrate the virtual adapters to and got to manage virtual adapters. You can click on add and you can chose a option to migrate a existing virtual adapters. From here you can migrate the virtual adapter. This work in my test lab, but i wonder if anyone has tried this in a live environment on physical hardware and if this is support by VMware?

↧

Can not Ping Secondary Ip in VM Created By ESXI 5.1

May 10, 2017, 12:16 am
$
0
0

Hi All,

 

Maybe my question is so easy but I don't know how to do because I'm newbie at ESXI. I'm using ESXI 5.1 I have two different ip in two different block(192.168.2.48 & 10.122.127.203). I have defined 10.122.127.203 as manually. This ip's gateway is 10.122.127.193.  After that, I have defined route to my manuel ip in my virtual machine.

 

Destination         Gateway                Genmask                 IFace

10.122.127.0      10.122.127.193     255.255.255.192     eth1

10.122.127.192   *                            255.255.255.192     eth1

 

and added route to file system.

 

After that processes I have started to configure esxi networking. I have created new virtual switch and connect physical adapter to this switch (vSwitch2). I have two virtual machine port group. First one is VM Network and second one is VM Network 2. In VM's edit settings section, I have choose VM Network 2 for second network adapter. Now my machine is connected to this physical adapter.

 

But I can not ping to second IP.

 

Do I need to add VMkernel Port to second virtual switch and after that do I need to define route to this VMkernel port. Actually I did this but still not working. I'm waiting for your help.

 

Best Regards,

Murat.

↧

Backup Virtual NIC stop responding after backup on Linux VM

May 20, 2017, 8:43 am
$
0
0

Hi All,

 

My Name is Mithilesh Singh, I am working in a corporate organization and having ESXi 5.5 virtual infra.

 

There is some issue reported for Linux VM and team is saying that backup NIC on VM automatically stop responding.

 

Issue reported -:

1. There is backup scheduled which execute on a particular time(example: 1 AM). Once backup initiate second time it get failed because Backup team report issue that client (Linux VM) stop responding on network level and backup master unable to connect it.

2. Unix Team disable\enable the backup NIC and it start to ping(this will happen every next scheduled).

3. We verified VMs and found that some of the VMs having old network adapter and someone with latest vmxnet3 and tools are updated.

4. Issue has been reported in FLEX Chassis and standard ESXi.

5. We checked the Virtual Switches(VDS) and everything are ok..

6. we have ESXI 5.5 and All host are having latest patch installed.

7. We have mix environment Windows and Linux but facing issue only on Linux VM. This issue is reoccurring only on some VMs not all.

Could you please help in it.

↧
↧

Legacy session is deprecated and might not be supported in future releases.

May 23, 2017, 8:48 am
$
0
0

When I am trying to add port mirroring in my distributed switches, I see below error. vCenter version is 6.0.0, 3018523. Version of distributed switch is 6.0.0. I have similar vcenter and dvSwitch with same version in our DR where I can add port mirroring without any problem. Can someone help?

 

 

↧

ESXI/Vmware network setup, just getting started.

May 25, 2017, 1:19 pm
$
0
0

I got 3 hosts, each have Cat5 port and a 10G fiber port.  I am new to VMware but have worked with Hyper-V for the last 5+ years.  We are moving to VMware and I am trying to get an eval system up with vsan, vsphere, vmotion and eventually VDI.  I can manage all hosts through CAT5 port which is connected to cisco 2960.  Just trying to set up the net backbone on the fiber ports.  All host see fiber port as connected.  They all connect to a cisco 4500x.  I want to separate the traffic into 6 vlans (VM, Vsan, Vmotion, mgmt., Repl, VDI) and I created these vlans on the cisco side.  Just need help getting it setup on the VMware side. Maybe I am thinking about it all wrong but I thought these could all run over the fiber port in a trunked config.  Please help guide me in the right direction

 

Also the fiber card is a quad port so eventually I will create a etherchannel on this.

 

ESXI/VMware 6.5.

↧
Search

vDS LAG + another active uplink for the same distributed port group

June 5, 2017, 9:10 am
$
0
0

I am using vSphere 6.5 with Enterprise Plus license.

 

Here is a simplified version of my vDS topology:

  1. There are 2 hosts: H1 and H2
  2. Host H1 has 2 NICs, and host H2 has 4 NICs
  3. The first NIC on each host, i.e. vmnic0 is dedicated for management and vMotion
  4. Other NICs are for VM traffic
  5. There are 2 distributed port groups in vDS: Management and VMs.
  6. There are 2 uplinks in vDS: uplink1 and uplink2
  7. Teaming property for Management port group shows uplink1 as active and uplink2 as "not used"
  8. Teaming property for VMs port group shows uplink2 as active and uplink1 as "not used"
  9. Physical NICs dedicated for management, i.e. vmnic0 on both hosts (see item 3 above) belong to uplink1
  10. Physical NIC dedicated for VM traffic on host H1 belongs to uplink2
  11. The 3 physical NICs (i.e. vmnic1, vmnic2, vmnic3) on host H2 are combined into LAG which is visible beside uplink1 and uplink2

 

My goal is to keep only one VM-related distributed port group VMs and let it use uplink2 for VMs running on host H1 and LAG uplink for VMs running on host H2.

I thought that I need to make both uplink2 and LAG being active uplinks for VMs port group... but it doesn't work (web client doesn't allow it). As a temporal resolution I had to map VMs to uplink2 (via setting teaming properties) and create another distributed port group, say VMs3 and map it to LAG uplink  also by means of teaming properties.

 

Any help and/or clarification on how I can keep a single distributed port group for all VMs is appreciated. Thank you.

 

--

Simon

↧

can't have a connectivity using a dvportgroup

June 7, 2017, 6:47 am
$
0
0

hello,

 

i have a vm connected to a csr1000v with a trunk(vlan 200-208) but can't get a ping between the two vm, strangelly i have the same thing 2 vm with the same thing and these works fine ,  do you have some ideas?

 

thanks a lot

↧
↧

vmnic buffer tx rx value cannot be changed

June 7, 2017, 1:41 pm
$
0
0

vmnic buffer tx rx value cannot be changed once the mtu is set to 9000. i.e RX preset maximum shows as 512 when the mtu is set to 9000. and if i reduce the mtu to 1500 then the rx preset maximum shows as 4096.

[root@localhost:~] ethtool -g vmnic2

Ring parameters for vmnic2:

Pre-set maximums:

RX: 512

RX Mini:        0

RX Jumbo:       0

TX: 4096

Current hardware settings:

RX: 512

RX Mini:        0

RX Jumbo:       0

TX: 1024

 

Any suggestions?

 

 

 

Thanks,

Suma

↧

vNics show diferents VLANs

June 9, 2017, 2:01 am
$
0
0

Hi.

 

I was asked to create a new VDS for out DMZ network using different VLANS

So the environment has 4 vNics per host  0 and 1 are used for Production Network (vSwitch) and 2 and 3 were not used, so I create the VDS with those vNics and add the VDS to the 4 hosts.

At first only one range IP was showed by the physical nics 9.x.x.x

Then a few days ago, we create a few VMs that needs to be working on VLAN100 , so we add the VMs to the virtual port VLAN100.

As expected the VMs did not have any connection with the network of the VLAN 100 (10.x.x.x). Then from the switch, the guy who manage it enable all vlan traffic for all ports, and only a few VLANs start appearing on the physical nics but not the same for all the vnics and not the ones that we need.

 

Here the VLAN per nic.

 

Host:  001

vmnic0    VLAN105 VLAN118 VLAN103

vmnic1    VLAN100 VLAN108

vmnic2    VLAN105 VLAN118 VLAN103

vmnic3   VLAN100  VLAN108

 

Host:  002

vmnic0    VLAN105 VLAN118 VLAN103

vmnic1    VLAN100 VLAN108

vmnic8    VLAN105 VLAN118 VLAN103

vmnic9   VLAN100  VLAN108

 

Host:  003

vmnic0    VLAN105 VLAN118 VLAN103

vmnic1    VLAN100 VLAN108

vmnic2    VLAN105 VLAN118 VLAN103

vmnic3   VLAN100  VLAN108

 

Host:  004

vmnic0    VLAN105 VLAN118 VLAN103

vmnic1    VLAN100 VLAN108

vmnic2    VLAN105 VLAN118 VLAN103

vmnic3    VLAN100 VLAN108

 

I don't know if I need to do anything else from vmware side. The environment is in a Pureflex system and the vswitch only see 1 mac address of each ESX but it see all VMs Mac address.

ESXI 6.0 and VC 6.5

↧

How to check which adapter is an active?

June 18, 2017, 7:21 pm
$
0
0

Hi, All

 

I configured it as below; vmnic1 is an active and vmnic0 is an standby.

# esxcli network vswitch standard policy failover get -v vSwitch0

   Load Balancing: srcport

   Network Failure Detection: link

   Notify Switches: true

   Failback: true

   Active Adapters: vmnic1

   Standby Adapters: vmnic0

   Unused Adapters:

 

When the vmnic1(active adapter) down, the vmnic0 live up and acts as an active.

That can be found via #esxtop + n

 

~ # esxtop

2:16:58am up 35 min, 396 worlds, 1 VMs, 1 vCPUs; CPU load average: 0.01, 0.01, 0.01

 

   PORT-ID              USED-BY  TEAM-PNIC DNAME              PKTTX/s  MbTX/s    PKTRX/s  MbRX/s %DRPTX %DRPRX

  33554433           Management        n/a vSwitch0              0.00    0.00       0.00    0.00   0.00   0.00

  33554434               vmnic1          - vSwitch0              2.37    0.03      10.88    0.01   0.00   0.00

  33554436                 vmk0     vmnic0 vSwitch0              1.38    0.00       0.40    0.00   0.00   0.00

  33554437                 vmk1     vmnic0 vSwitch0              1.19    0.03       1.58    0.00   0.00   0.00

  33554438                 vmk2     vmnic0 vSwitch0              0.00    0.00       0.00    0.00   0.00   0.00

  33554439               vmnic0          - vSwitch0              0.00    0.00      15.23    0.04   0.00   0.00

  33554441     39308:web-sv-02a     vmnic0 vSwitch0              0.00    0.00       0.00    0.00   0.00   0.00

 

Question)

Beside GUI/ esxtop(+ n) command, is there any way to check current active adapter under A/S mode in vSwitch?

command(s) or specific logs ?

 

Thank you

↧
Viewing all 1365 articles
Browse latest View live
Search
<script src="https://jsc.adskeeper.com/r/s/rssing.com.1596347.js" async> </script>