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January 2nd, 2020 09:00

Dell N4000 switch PVLAN connecting to vmware PVLAN

Hi All,

Looking for some help on Dell N4064 config.

I have 2 Vmware hosts. with Dist switches, using PVLAN's which are working fine on Vmware.
PVLAN 200 ( Primary )
PVLAN 202 (Community) - 1 VM on 10.10.40.3 /24  -Lives on one Vmware Host
PVLAN 203 (Community) - 1 VM on 10.10.40.4 /24 - Lives on the 2nd Vmware Host

The 2 VM's can talk to each other as expected due to the PVLAN config, if i move them to the same PVLAN they can talk. So this is all ok and working.

But i have to connect the Vmware Host up links to the Dell N4064 switch, so that the VM's can get to another Physical Windows server( 10.10.40.44 /24) and also to a firewall (10.10.40.1 /24), for internet access. So everything is in the same subnet. This is where the issue starts.

the 2 uplink's to the VMware servers have been configured as Trunk ports, so all VLans will go over it.

I have the PVlans defined on the N4064

But no matter how i configure the ports for the physical server or the Firewall uplink, i cant get them to talk to the VM's on the PVlans on vmware.

Config of switch is below, there is not much to it at the moment.

configure
vlan 200, 202-203
exit
vlan 200
private-vlan primary
exit
vlan 202
private-vlan community
exit
vlan 203
private-vlan community
exit
!
interface Te1/0/2
switchport mode private-vlan promiscuous
switchport private-vlan mapping 200 202-203
exit
!
interface Te1/0/2
description "esxi03 uplink to Nic"
switchport mode trunk
exit
!
interface Te1/0/6
description "esxi02 uplink to nic"
switchport mode trunk
exit
!
interface Te1/0/20
description "Test physical server"
switchport mode private-vlan promiscuous
switchport private-vlan mapping 200 202-203
exit

Any thoughts or help would be great.

Moderator

 • 

8.5K Posts

January 2nd, 2020 12:00

Hi,

I would try to test the private vlans on a laptop to make sure they are working on the switch.

2 Posts

January 6th, 2020 02:00

Hi,

Tried all of that i can get the PVlan to work on the switch as expected with Laptops or PC's in the relevant ports. The issue is to do with the Switch interaction with the Vmware side. I think this is to do with the fact i have to have the port on the N4064 setup as a trunk port, for anything to work ( The PVLan is on the vmware side).

Looking at another switch ( S4820) that supports a command "switchport mode private-vlan trunk". This allows what we need to do. So it is clear that the N4000 do not fully support PVLAN's except if they are physically on the switch itself. Which is not our case.

Are we expecting to see any new software releases for the N4000 series that would add this functionality ?

Moderator

 • 

8.5K Posts

January 6th, 2020 09:00

The switch is receiving updates but I am not sure if it will be updated to support that command.  

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