0
votes
1answer
22 views

ESX Packet Loss

I'd like to test my software with some amount of packet loss. I see that I can do this with pfSense in the traffic shaping. But that's a lot of hassle to set up and create a couple of extra virtual ...
0
votes
1answer
55 views

Network issues vmware Dell R620 10Gbit

I'm trying to get two new Dell R620 servers up and running on 10Gbit interfaces. The servers were delivered with two PCI network-cards for 10Gbit. At the moment, the network cards installed and ...
2
votes
2answers
70 views

What's the best method to list all active NICs and IP addresses in a vSphere cluster?

I have ESXi 5.1 with many hosts in a cluster. I would like to generate a list of active NICs and thier IP addresses. Whats the easiest tool to generate such a list? *I am not looking for the Virtual ...
2
votes
2answers
331 views

VMware ESX: Unable to delete PortGroup. 1 active ports

At work we have an ESX 4.1 cluster with some vlan's (Port Groups) configured on a vswitch on each host. A lot of these port groups aren't in use anymore so we decided to clean them up. We don't have ...
1
vote
3answers
305 views

disadvantages MTU over 1500

What disadvantages have to set the MTU to the maximum possible value in ALL network adapters on a network (including virtual switches vmware esx)? Why do not the producers as a default? I do not ...
0
votes
1answer
61 views

Possible MAC conflict in ESX

I have two virtual machines that are 10.1.1.10 and 10.1.1.20 in an ESX. I try to access theses machines by another network 192.168.1.0/24. The problem is that when I can ping one machine, I can not ...
2
votes
0answers
368 views

VMware - Broadcom 1000Gbps NIC does not link at 100Mbps to a Cisco switch port

Today we've stumbled on a very awkward situation with our VMWare Server. The server is with ESX 3.5 that has a 1Gbps NIC. We bought a brand new managed Cisco Linksys switch with 10/100Mbps interface ...
9
votes
1answer
1k views

How can I setup vSphere so that VLAN tags are not stripped at the vSwitch?

I am trying to test a VLAN-related networking issue, so I thought that firing up a couple virtual machines would be the easiest and cleanest method to test the problem. On the vSphere server I ...
2
votes
1answer
131 views

Strange VMWare networking issue

i have an exchange test environment sitting on vmware. i have 2 mailbox servers, 2 CAS/HUB servers, and an AD server on a 2 physical host VMWare HA cluster. If I have all 5 servers on one host, ...
3
votes
1answer
273 views

How to change the Service Console subnet on an ESX cluster?

We have an existing VMware ESX 3.5 cluster (6 hosts, VI 2.5) and need to move the service consoles to a new subnet. We would like to do this without downtime for the VMs. In my previous experiments ...
0
votes
1answer
423 views

Configuring a SonicWall TZ100 to protect VM (virtual machines) for PCI compliance

I'm currently running VMWare ESX 4 with several virtual machines. One of these VMs needs to be PCI-DSS compliant, and more may need compliance in the future. In other words, I don't want to allow any ...
1
vote
2answers
1k views

VMware networking - PortChannel or not?

My ESX hosts each have 8 NICS. I have set up 2 NICs for our iSCSI SAN - each is connected to a different SAN switch. 2 NICs are set up for vMotion and Service Console - these are each connected to a ...
2
votes
1answer
1k views

VMware vSwitches and spanning tree

I have two redundant core switches I want to connect to a new vSwitch I am setting up on a VMware ESX host. The switch will have two physical NICs each of which will connect to one of the core ...
2
votes
3answers
2k views

Kickstarting VMWare ESX 4.1 (Error: No NIC with name bootif)

I'm having an issue kickstarting an installation of VMWaare ESX Classic 4.1. I've stripped down my kickstart a bit to just: accepteula keyboard us auth clearpart --firstdisk --overwritevmfs url ...
1
vote
2answers
379 views

Ubuntu 8.04 Server (x64) networking problems on vSphere 4

Found this problem that mirrors mine exactly: http://serverfault.com/questions/125395/solved-network-issue-ubuntu-8-04-in-vmware-esx However, VMware tools didn't fix this for me. Pinging the box ...
0
votes
2answers
110 views

Firewall for internal networks

I have a virtualised infrastructure here, with separated networks (some physically, some just by VLAN) for iSCSI traffic, VMware management traffic, production traffic, etc. The recommendations are ...
1
vote
2answers
706 views

VMware ARP/Mac Networking

I am very interested in how VMware networking works. I have scoured the VMware website and read their data sheets, this has given me some basic knowledge. I now have some questions. Lets assume that ...
0
votes
1answer
60 views

No Connectivity to ESX guests on one server

I have a number of ESX servers hosting VM's, all but one of these works ok, however one server has a problem where any guests on not contactable over the network. The ESX hosts is contactable, is ...
1
vote
1answer
610 views

SOLVED: network issue ubuntu 8.04 in vmware esx

ok, this is really pissing me off I have one ubuntu 8.04 instance running on vmware (esx) which decided after a reboot to stop resolving dns requests, I also cant connect to it using ssh although I ...
0
votes
2answers
549 views

connect two ESX hosts on private LAN

can a PC setup as W2K3 DC manage two ESX hosts connected to physical hub/switch? Services: DNS, DHCP, Domain distributed to host using a hub/switch. NIC2 on each host connected to ...
1
vote
2answers
836 views

iSCSI connection timing out on ESX 3.5 against a NetApp storage appliance

I get a timeout on iSCSI on different ESX hosts (3.5) at different times. It is puzzling, as both the ESX hosts as windows and other guests are experiencing timeouts. The iSCSI network is segregated ...
4
votes
2answers
7k views

Setup redundant iSCSI network with 2 switches, SAN and ESX

I am in the process of re-doing the iSCSI network at my work. We currently have the following equipment: 1x Dell PowerConnect 6224 switch 1x Dell PowerVault MD3000 SAN connected to 2x Dell PowerEdge ...
2
votes
1answer
495 views

Network driver for Ubuntu 9.10

Running VMWARE Workstation 6.5.3. Installed Ubuntu 9.10 and it cannot get on the network. has anyone else installed Ubuntu 9.10 and not run into this issue? Error message "The virtual network drivers ...
1
vote
3answers
3k views

Configuring subnet access on a Cisco 2960

Greetings, I want to configure a 24-port Cisco Catalyist 2960 to perform as follows: Four ports going to a SAN Four ports going to four ESX servers for iSCSI storage traffic Four ports going to the ...
2
votes
1answer
2k views

How can I make VMware ESX use the hardware MAC address?

VMware ESX 3.5 and 4.0 create software NICs that are bridged to the physical interface. I'm deploying ESX in a DHCP environment with assigned addresses, so the install is done with a set DHCP address. ...