04-19-2006
Network Issue between Linux and RedHat (both on VMWare)
Hi All
My first post so I hope it's ok.
I have VMware workstation 5.0.0 build-13124 on an XP professional box. Within the VMware environment I have two virtual systems. The first is a Red Hat Linux (3.2.2-5) box and the second is an XP Home (sp2) box. When setting up both virtual boxes I set the network configs to local host only and then configured each with a 10.10.10.x/24 network address. (The Linux box actually came with a different address but I edited it using gedit /etc/sysconfig/network-scripts/ifcfg-eth0) I have done an /sbin/ifconfig and made sure the IP info is correct. I have also verified the IP settings on the XP box.
I am sure I have made a config error on the Linux box as my problem is I can ping the Linux box from the XP box - but can't ping the XP box from the Linux box. Traceroute from the Linux box also doesn't show any hops.
Any suggestions as too easy stuff I can check on the Linux side (please quote complete commands as I am a total FNG.)
I have had this virtual machine network set up working ok with just Windows boxes, so I'm fairly sure of the legitimacy of what I'm trying to do.
Many thanks for your time guys. BTW if any of you have done the SANs 504 (incident Handling) course - that's where the Red Hat virtual machine came from.
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LEARN ABOUT FREEBSD
if_vmx
VMX(4) BSD Kernel Interfaces Manual VMX(4)
NAME
vmx -- VMware VMXNET3 Virtual Interface Controller device
SYNOPSIS
To compile this driver into the kernel, place the following line in your kernel configuration file:
device vmx
Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5):
if_vmx_load="YES"
DESCRIPTION
The vmx driver provides support for the VMXNET3 virtual NIC available in virtual machines by VMware. It appears as a simple Ethernet device
but is actually a virtual network interface to the underlying host operating system.
This driver supports the VMXNET3 driver protocol, as an alternative to the emulated pcn(4), em(4) interfaces also available in the VMware
environment. The vmx driver is optimized for the virtual machine, it can provide advanced capabilities depending on the underlying host
operating system and the physical network interface controller of the host. The vmx driver supports features like multiqueue support, IPv6
checksum offloading, MSI/MSI-X support and hardware VLAN tagging in VMware's VLAN Guest Tagging (VGT) mode.
The vmx driver supports VMXNET3 VMware virtual NICs provided by the virtual machine hardware version 7 or newer, as provided by the following
products:
o VMware ESX/ESXi 4.0 and newer
o VMware Server 2.0 and newer
o VMware Workstation 6.5 and newer
o VMware Fusion 2.0 and newer
For more information on configuring this device, see ifconfig(8).
MULTIPLE QUEUES
The vmx driver supports multiple transmit and receive queues. Multiple queues are only supported by certain VMware products, such as ESXi.
The number of queues allocated depends on the presence of MSI-X, the number of configured CPUs, and the tunables listed below. FreeBSD does
not enable MSI-X support on VMware by default. The hw.pci.honor_msi_blacklist tunable must be disabled to enable MSI-X support.
LOADER TUNABLES
Tunables can be set at the loader(8) prompt before booting the kernel or stored in loader.conf(5).
hw.vmx.txnqueue
hw.vmx.X.txnqueue
Maximum number of transmit queues allocated by default by the driver. The default value is 8. The maximum supported by the VMXNET3
virtual NIC is 8.
hw.vmx.rxnqueue
hw.vmx.X.rxnqueue
Maximum number of receive queues allocated by default by the driver. The default value is 8. The maximum supported by the VMXNET3
virtual NIC is 16.
hw.vmx.txndesc
hw.vmx.X.txndesc
Number of transmit descriptors allocated by the driver. The default value is 512. The value must be a multiple of 32, and the maxi-
mum is 4096.
hw.vmx.rxndesc
hw.vmx.X.rxndesc
Number of receive descriptors per ring allocated by the driver. The default value is 256. The value must be a multiple of 32, and
the maximum is 2048. There are two rings so the actual usage is doubled.
EXAMPLES
The following entry must be added to the VMware configuration file to provide the vmx device:
ethernet0.virtualDev = "vmxnet3"
SEE ALSO
altq(4), arp(4), em(4), netintro(4), ng_ether(4), pcn(4), vlan(4), ifconfig(8)
AUTHORS
The vmx driver was ported from OpenBSD and significantly rewritten by Bryan Venteicher <bryanv@freebsd.org>. The OpenBSD driver was written
by Tsubai Masanari.
BSD
March 17, 2014 BSD