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VMware Workstation 5.5

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Configuring Bridged Networking Options on a Windows Host

Note: The virtual network editor is not available on a Linux host.

Use the virtual network editor to configure bridged networking. You can

  • View and change the settings for bridged networking on your host
  • Determine which network adapters on your host to use for bridged networking
  • Map specific network adapters to specific virtual networks, called VMnets
  • Note: The changes you make to bridged networking affect all virtual machines using bridged networking on the host.

    Configuring VMnet0 Bridged Networking

    1. Choose Edit > Virtual Network Settings.

    The virtual network editor appears, with the Summary tab active.

    Link to w_inst_ws_netw_sum_before.png

    By default, the VMnet0 virtual network is set up in bridged mode and bridges to one of the active Ethernet adapters on the host computer.

    2. Click the Automatic Bridging tab.

    3. Check the box for Automatically choose an available physical adapter.

    Link to w_inst_ws_netw_exclude_empty.png

    On host systems with more than one physical Ethernet adapter installed, the choice of which adapter Workstation uses is arbitrary. If you want to place restrictions on the choice, see the following section, Excluding a Host Ethernet Adapter from VMnet0 Bridged Networking.

    4. Click OK to save your changes and close the virtual network editor.

    Excluding a Host Ethernet Adapter from VMnet0 Bridged Networking

    You can exclude a host Ethernet adapter from the list of adapters Workstation uses for automatic bridged networking on VMnet0. To exclude one or more physical Ethernet adapters:

    1. Choose Edit > Virtual Network Settings.

    2. Click the Automatic Bridging tab.

    3. Click Add to put the physical adapter in the list of excluded devices.

    Link to w_inst_ws_netw_exclude_choose.png

    4. In the Add Excluded Adapters dialog box, select the listing for the adapter you want to exclude, then click OK.

    Link to w_inst_ws_netw_exclude1.png

    5. Click OK to save your changes and close the virtual network editor.

    Removing a Host Ethernet Adapter from the Excluded Adapters List

    To remove an adapter from the list of excluded adapters:

    1. Choose Edit > Virtual Network Settings.

    2. Click the Automatic Bridging tab.

    3. Select the name of the adapter you want to remove.

    4. Click Remove.

    5. Click OK to save your changes and close the virtual network editor.

    Choosing a Host Ethernet Adapter for Custom Bridged Networking

    You can create a custom bridged network on virtual switches VMnet2 to VMnet7. To designate a physical Ethernet adapter to bridge to custom virtual switches

    1. Choose Edit > Virtual Network Settings.

    2. Click the Host Virtual Network Mapping tab.

    3. Choose an adapter from the drop-down list beside the name of the virtual switch you want to use.

    Caution: Be careful when you change the bridged adapter mappings. If you re-assign a physical Ethernet adapter to a different virtual network, any virtual machine using the original network loses its network connectivity via that network. You must then change the setting for each affected virtual machine's network adapter individually. This can be especially troublesome if your host has only one physical Ethernet adapter and you reassign it to a VMnet other than VMnet0; even though the VMnet still appears to be bridged to an automatically chosen adapter, the only adapter it can use has been assigned to another VMnet.

    4. Click OK to save your changes and close the virtual network editor.

    Changing Subnet or DHCP Settings for a Virtual Network

    To make changes to the subnet or the DHCP settings for a virtual network,

    1. Click the button on the right that corresponds to the virtual network you want to configure.

    Link to w_netw_config_to_subnet.png

    2. Choose Subnet or DHCP.

  • In the Subnet dialog box, you can change the subnet's IP address and the subnet mask
  • Link to w_netw_config_set_subnet.png

    The address should specify a valid network address that is suitable for use with the subnet mask.

    The default subnet mask is 255.255.255.0 (a class-C network). Typically, this means you should modify only the third number in the IP address — for example, x in 192.168.x.0 or 172.16.x.0. In general, you should not change the subnet mask. Certain virtual network services may not work as well with a customized subnet mask.

    When you modify the network address or subnet mask, VMware Workstation automatically updates the IP address settings for other components — such as DHCP, NAT and host virtual adapter — on that virtual network to reflect the new settings. The specific settings that are automatically updated include DHCP lease range, DHCP server address, NAT gateway address and host virtual adapter IP address. However, if you have changed any of these settings from its default value — even if you have later changed the setting back to the default — VMware Workstation does not update that setting automatically. Workstation presumes that custom settings are not to be modified.

  • In the DHCP settings dialog box, you can change the range of IP addresses provided by the VMware Workstation DHCP server on a particular virtual network.
  • Link to w_netw_config_dhcpprop.png

    You can also use this dialog box to set the duration of DHCP leases provided to clients on the virtual network.

    3. Click OK to save your changes and close the virtual network editor.

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