Change of network adapters in radius server

Sven Hartge sven at
Fri Dec 2 00:21:07 CET 2011

Roland Pinches <rolypoly at> wrote:

> We've run into a problem with our freeradius server virtual machine.
> It's a RHEL5.5 VM running on ESXi 4.1 and it talks to a cisco NAS. It
> currently works but we have performance issues, which I have partly
> tracked down to a very specific VMware issue - if running linux with
> more than 1 vCPU, vmxnet3 NIC connected to a distributed vSwitch. The
> work around is to change the network adapters to something other than
> a vmxnet3 adapter.

> However, this is where my radius problem comes in. When I change the
> NICs, the MAC address changes, which means I need to setup the static
> IP addresses again. Not a problem and I can then ping the cisco device
> and the cisco device can ping the radius server. The problem is, no
> radius traffic flows between them.

You can override the generated MAC. Try putting in the one fromt the
vmxnet3 NIC and see what happens.


Sigmentation fault. Core dumped.

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