ricky73 Tracker

capture network traffic of vm

ricky73 — Thu, 12 Oct 2023 03:41:00 GMT

I have old cluster with venter 6.0 and ESXi 6.0 hosts, I need to capture network traffic of specific virtual machine "A" , which belongs to port group of vSwitch; this port group has 10 virtual machine which are in production.

I thought to create new vm and to install wire shark to capture all traffic and I want to make sure that the promiscuous mode cannot create issue to other virtual machines of the same port group.

I thought to enable port mirror for the only port where is linked virtual machine "A" to new vm, but perhaps It can be possibile only if you have virtual distributed switch but this one is not my case!

What can you suggest me please?

enable routing between 2 vm

ricky73 — Mon, 03 Apr 2023 06:19:05 GMT

I created new vSwitch where no physical adapter is linked because I need to make test in protected environment.

These 2 VM "live" in different subnet and they have to communicate only between them:

server 1, 15.20.30.1/24, gw: 15.20.30.100

server 2, 15.20.90.2/24, dw: 15.20.90.100

Is there way to configure VMware to active routing communication between these 2 VM ?

Re: disable dhcp

ricky73 — Sun, 26 Mar 2023 07:37:28 GMT

I thank you for your precious help and support.

My hardware cannot permit me to upgrade to Monterey, Big Sur was last update.

When I use Vmware I'll disable OSX dhcp daemon.

Re: disable dhcp

ricky73 — Tue, 21 Mar 2023 17:56:44 GMT

I'm running big sur (11.7.4) and Fusion 12.1.1

Re: disable dhcp

ricky73 — Tue, 21 Mar 2023 15:28:45 GMT

Thanks for your precious info.

I detected my custom network as vmnet3 and I modified as you suggested

answer VNET_3_DHCP no

I verified that dhcp.conf is missing now in /Library/Preferences/VMware Fusion/vmnet3.

I turned off A machine and I reboot only B machine (client) but I see these logs:

Mar 21 16:18:21 students dhclient: Internet Systems Consortium DHCP Client 4.3.1
Mar 21 16:18:21 students networking[270]: Configuring network interfaces...Internet Systems Consortium DHCP Client 4.3.1
Mar 21 16:18:21 students dhclient: Copyright 2004-2014 Internet Systems Consortium.
Mar 21 16:18:21 students networking[270]: Copyright 2004-2014 Internet Systems Consortium.
Mar 21 16:18:21 students dhclient: All rights reserved.
Mar 21 16:18:21 students networking[270]: All rights reserved.
Mar 21 16:18:21 students dhclient: For info, please visit https://www.isc.org/software/dhcp/
Mar 21 16:18:21 students networking[270]: For info, please visit https://www.isc.org/software/dhcp/
Mar 21 16:18:21 students dhclient:
Mar 21 16:18:21 students dhclient: Listening on LPF/eth0/00:0c:29:26:ea:09
Mar 21 16:18:21 students dhclient: Sending on LPF/eth0/00:0c:29:26:ea:09
Mar 21 16:18:21 students dhclient: Sending on Socket/fallback
Mar 21 16:18:21 students dhclient: DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 4
Mar 21 16:18:21 students networking[270]: Listening on LPF/eth0/00:0c:29:26:ea:09
Mar 21 16:18:21 students networking[270]: Sending on LPF/eth0/00:0c:29:26:ea:09
Mar 21 16:18:21 students networking[270]: Sending on Socket/fallback
Mar 21 16:18:21 students networking[270]: DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 4
Mar 21 16:18:21 students dhclient: DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 5
Mar 21 16:18:21 students networking[270]: DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 5
Mar 21 16:18:21 students dhclient: DHCPREQUEST on eth0 to 255.255.255.255 port 67
Mar 21 16:18:21 students dhclient: DHCPOFFER from 10.0.2.1
Mar 21 16:18:21 students networking[270]: DHCPREQUEST on eth0 to 255.255.255.255 port 67
Mar 21 16:18:21 students networking[270]: DHCPOFFER from 10.0.2.1
Mar 21 16:18:21 students dhclient: DHCPACK from 10.0.2.1
Mar 21 16:18:21 students networking[270]: DHCPACK from 10.0.2.1
Mar 21 16:18:21 students dhclient: bound to 10.0.2.3 -- renewal in 39442 seconds.
Mar 21 16:18:21 students networking[270]: bound to 10.0.2.3 -- renewal in 39442 seconds.
Mar 21 16:18:21 students networking[270]: done.

It like dhcp server was 10.0.2.1, It's always interface of my custom network of Fusion ?

IP address is again assigned as 10.0.2.3. My dhcp server assigns ip address at starting 10.0.2.100

What do you think ?

Re: disable dhcp

ricky73 — Mon, 20 Mar 2023 17:30:56 GMT

@RDPetruska wrote:
But - according to the OP initial question of how to disable dhcp for a single guest, it would appear they want to use a static IP address, NOT a dhcp-assigned one!

I try to explain again...

I have 2 vm : A , B

A, B are configured in the custom NAT network : 10.0.2.0/24

A: It's server configured with static IP address and It has installed the DHCP server. Vm A will release IP address to other vm (e.g. vm B)

B: It's a client which has no static ip address because vm B will ask ip using DHCP server called A.

Now I noted that the IP address of B is assigned by VMware Fusion and NOT by the dhcp server.

infact if I turn off dhcp server, IP address to vm B is always assigned... so I thought to disable DHCP server on nat network

Re: disable dhcp

ricky73 — Mon, 20 Mar 2023 16:58:47 GMT

I created this custom NAT network:

I linked this network to Server (Debian OS) which has static IP and has installed the DHCP server service.

@Technogeezer wrote:
For a custom NAT network in Fusion Pro, there is an option not to provide DHCP services on the network.

Where is this option?

@Technogeezer wrote:
I just tried this in Fusion Pro and can confirm that no DHCP server is available to serve up an IP config in the custom NAT segment

Excuse me but I don't understand what you are saying

Re: disable dhcp

ricky73 — Mon, 20 Mar 2023 15:08:45 GMT

I created new nat network where I set static IP and I installed service as dhcp server.

My target is to create other virtual machines on the same network and these vm should ask IP address to my dhcp server which I installed. Now IP address is assigned from VMware Fusion.

disable dhcp

ricky73 — Mon, 20 Mar 2023 11:45:22 GMT

Can I disable dhcp in Fusion 12 for specific vm ?

change gateway in static ip with nat

ricky73 — Mon, 20 Mar 2023 07:46:44 GMT

I'm using Big Sur (11.7.4) with Fusion 12.1.1 , I created new Network with enabled NAT (by check box) and I specified the following subnet ip 10.0.7.0/24. (I don't want to use any Fusion dhcp)

I see gateway is 10.0.7.1 but I want to change it only for this virtual machine,

Where can I find Fusion parameters if I wanted to change It?

My target is to define new network to use in Debian guest to surf on Internet by nat mechanism.

Windows 2000 low cpu usage VS high usage in vmware

ricky73 — Tue, 27 Sep 2022 05:01:12 GMT

I'm using EESXi 6.0 in cluster environment where I have as Windows 2000 server SP4 guest OS.

Windows 2000 shows low cpu usage while vSphere performance monitor shows very high cpu.

I know exactly I should have upgrade both guest OS and ESXi hosts OSX but I now I'd like to solve this issue.

Do you have suggestions please?

vm helper during conversion

ricky73 — Fri, 07 Jan 2022 08:06:11 GMT

I'm converting power-on physical machine, which is running Red Hat Enterprise 5.5, to vCenter 6.0 (ESXi 6.0 U3)

can I use Virtual Hardware 10 for the virtual machine ?
can VM-helper create issues during conversion to source machine ? It reads only data from source machine?

Re: backup snapshot

ricky73 — Fri, 10 Dec 2021 13:47:30 GMT

Does It exist free software can be permit to save VMFS5 files to other Windows repository or to tape?

backup snapshot

ricky73 — Fri, 10 Dec 2021 06:46:49 GMT

I need to save the whole Virtual Machine, snapshot included. I already read about Vmware knowledge base about snapshot.

Is there a way ? Can I poweroff machine and to save the whole datastore directory (vmx file + .vmdk) ?

p2v win200srv to esx 6.0

ricky73 — Fri, 30 Apr 2021 03:51:28 GMT

I need to convert physical Win 2000 server sp4 to ESXi 6.0 (vCenter 6.0 environment) and I have converter 4.01 to start at boot the old machine.

What way can I follow please?

I read about to get image for workstation but what workstation image version I have to choose? Last available ?

Afterwards? It's the right way ?

P2V Windows 2000 server -> ESXi 6.0 vCenter 6

ricky73 — Thu, 29 Apr 2021 14:10:16 GMT

I need to convert and import a physical Windows 2000 SP4 server into ESXi 6.0 environment (vCenter 6.0).

I read that I have to use vConverter 4.1 bootable image to product VMware Workstation image and afterwards I have to import this file into vSphere 6.0. It's right way ?

Re: configure Windows vCenter 6 to remote syslog

ricky73 — Mon, 23 Nov 2020 06:50:59 GMT

So for having supported solution It's necessary to replace my Windows vCenter to Virtual Server Appliance ?

I have both ESXi 6.0 and vCenter 6.0 (+ SQL Standard Edition) , can I upgrade only Windows vCenter srv to 6.5/6.7 VCSA keeping ESXi older version ?

configure Windows vCenter 6 to remote syslog

ricky73 — Thu, 19 Nov 2020 10:25:05 GMT

There is way to forward Windows 2012 R2 vCenter Server 6.0 to remote syslog server ?

I read It's possible only with Appliance, right?

Re: clone Vm with snapshot

ricky73 — Tue, 27 Oct 2020 07:34:12 GMT

I thought unique name was assigned at "power on" stage by vCenter when It detects that the copied vm has the same uuid of the source one.

In vmx file there is uuid.bios, vc.uuid, uuid.location, It's necessary to change only uuid.bios and uuid.location ? I have to the new uuid ?

While in disk descriptor vmdk file, I have to change only parentFileNameHint="/vmfs/volumes/DATASTORE/vm-name/vm-name.vmdk" where I'll change DATASTORE with the new one, ok ?

Re: clone Vm with snapshot

ricky73 — Mon, 26 Oct 2020 11:50:21 GMT

Infact I would copy both vmdk (cp command) and vmx files by ESXi shell directly oh host, I don't understand what happens if I add to inventory the new machine: I see or not snapshot ?