Hyper-V VM unable to ping gateway but host can
-
So the picture look OK.
I assume you still can't access the outside world. Are there any other VMs on this host? if so, can you ping them?
Is there a firewall on the Hyper-V host that's preventing network access to that VM?
-
@Dashrender Any new VM's created run into the same problem. Can't ping host. Can't ping each other. Can't ping gateway.
-
Did you specify the VM Switch in the VM?
Did you disable VMQ?
Did you change any advanced features away from default?
-
Morning everyone.
We're running Hyper-V version 6.1.7601.17514 on a Dell Poweredge 2900 on Windows Server 2008 R2. This is a Server 2012 R2 VM running on a 2008 R2 Host (unsure if that matters but just giving as much information as I can). I was asked to look at it as a second pair of eyes but nothing immediately jumped out at me until I saw this:
You'll notice that I can't expand the network adapter. I think this is due to the fact that the host machine is running 2008 R2, but I haven't actually attempted to run a Hypervisor in it--every other VM host we have is 2012.
Is this correct?
-
Check and make sure the vSwitch is an external vSwitch.
Is this the only VM on this host?
-
@wirestyle22 said in Hyper-V VM unable to ping gateway but host can:
Morning everyone.
@JaredBusch I did specify the virtual switch
We're running Hyper-V version 6.1.7601.17514 on a Dell Poweredge 2900 on Windows Server 2008 R2. I was asked to look at it as a second pair of eyes but nothing immediately jumped out at me until I saw this:
You'll notice that I can't expand the network adapter. I think this is due to the fact that the host machine is running 2008 R2, but I haven't actually attempted to run a Hypervisor in it--every other VM host we have is 2012.
Is this correct?
Any conflicts with that mac address on the network?
-
@coliver said in Hyper-V VM unable to ping gateway but host can:
@wirestyle22 said in Hyper-V VM unable to ping gateway but host can:
Morning everyone.
@JaredBusch I did specify the virtual switch
We're running Hyper-V version 6.1.7601.17514 on a Dell Poweredge 2900 on Windows Server 2008 R2. I was asked to look at it as a second pair of eyes but nothing immediately jumped out at me until I saw this:
You'll notice that I can't expand the network adapter. I think this is due to the fact that the host machine is running 2008 R2, but I haven't actually attempted to run a Hypervisor in it--every other VM host we have is 2012.
Is this correct?
Any conflicts with that mac address on the network?
No there isn't
-
@dafyre said in Hyper-V VM unable to ping gateway but host can:
Check and make sure the vSwitch is an external vSwitch.
Is this the only VM on this host?
It's external
They are using this as a very small file server in addition to the VM but it's the only VM hosted currently.
-
@wirestyle22 said in Hyper-V VM unable to ping gateway but host can:
@dafyre said in Hyper-V VM unable to ping gateway but host can:
Check and make sure the vSwitch is an external vSwitch.
Is this the only VM on this host?
They are using this as a very small file server in addition to the VM but it's the only VM hosted currently.
Why does it have a static MAC? I know nothing of Hyper-V setups, but that seems odd unless they P2V'ed the VM.
-
@Dashrender said in Hyper-V VM unable to ping gateway but host can:
@wirestyle22 said in Hyper-V VM unable to ping gateway but host can:
@dafyre said in Hyper-V VM unable to ping gateway but host can:
Check and make sure the vSwitch is an external vSwitch.
Is this the only VM on this host?
They are using this as a very small file server in addition to the VM but it's the only VM hosted currently.
Why does it have a static MAC? I know nothing of Hyper-V setups, but that seems odd unless they P2V'ed the VM.
I had it set to dynamic before, it was just a test.
-
Have you tried removing the virtual NIC and reinstall it?
-
@Dashrender said in Hyper-V VM unable to ping gateway but host can:
Have you tried removing the virtual NIC and reinstall it?
Yes I did. I'm wondering if this has anything to do with the fact that the Dell Poweredge 2900 was one of the first generations to support Hyper-V.
-
Can you see the vSwitch in the Hyper-V setup itself?
-
@Dashrender You mean in the Virtual Network Manager?
-
This is what I see.
-
I really think that this is because the host is 2008 R2 but I don't have enough experience to definitively say that with zero doubt.
-
I'm not sure if Hyper-V 2008 R2 supports a Server 2012 VM or not. that could be the issue.
-
Yup. That is the case. https://msdn.microsoft.com/en-us/library/cc794868(v=ws.10).aspx
Thanks guys.
-
Well the good thing is - you can upgrade the hypervisor for free. shut the VM down, copy it somewhere else, wipe the host, reinstall Hyper-V 2016 server, copy the VM back, tada.
-
@Dashrender Yeah that's basically my plan. I'm glad I rad into this. My co-worker tried and I had never attempted to do this before. It's good to know.
