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Oracle VM Server for SPARC 2.2 Administration Guide     Oracle VM Server for SPARC
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Part I Oracle VM Server for SPARC 2.2 Software

1.  Overview of the Oracle VM Server for SPARC Software

2.  Installing and Enabling Software

3.  Oracle VM Server for SPARC Security

4.  Setting Up Services and the Control Domain

5.  Setting Up Guest Domains

6.  Setting Up I/O Domains

7.  Using Virtual Disks

8.  Using Virtual Networks

Introduction to a Virtual Network

Oracle Solaris 10 Networking Overview

Oracle Solaris 11 Networking Overview

Virtual Switch

Virtual Network Device

Inter-Vnet LDC Channels

Virtual Device Identifier and Network Interface Name

How to Find Oracle Solaris OS Network Interface Name

Assigning MAC Addresses Automatically or Manually

Range of MAC Addresses Assigned to Logical Domains

Automatic Assignment Algorithm

Duplicate MAC Address Detection

Freed MAC Addresses

Using Network Adapters With Logical Domains

How to Determine If a Network Adapter Is GLDv3-Compliant (Oracle Solaris 10)

Configuring a Virtual Switch and the Service Domain for NAT and Routing

Configuring NAT on an Oracle Solaris 10 System

How to Set Up a Virtual Switch to Provide External Connectivity to Domains (Oracle Solaris 10)

Configuring NAT on an Oracle Solaris 11 System

How to Set Up a Virtual Switch to Provide External Connectivity to Domains (Oracle Solaris 11)

Configuring IPMP in a Logical Domains Environment

Configuring Virtual Network Devices Into an IPMP Group in a Domain

Configuring and Using IPMP in the Service Domain

Using Link-Based IPMP in Logical Domains Virtual Networking

How to Configure Physical Link Status Updates

Configuring and Using IPMP in Releases Prior to Logical Domains 1.3

Configuring IPMP in the Guest Domain

Configuring IPMP in the Service Domain

Using VLAN Tagging



How to Assign VLANs to a Virtual Switch and Virtual Network Device

How to Install a Guest Domain When the Install Server Is in a VLAN

Using NIU Hybrid I/O

How to Configure a Virtual Switch With an NIU Network Device

How to Enable Hybrid Mode

How to Disable Hybrid Mode

Using Link Aggregation With a Virtual Switch

Configuring Jumbo Frames

How to Configure Virtual Network and Virtual Switch Devices to Use Jumbo Frames

Compatibility With Older (Jumbo-Unaware) Versions of the vnet and vsw Drivers (Oracle Solaris 10)

Oracle Solaris 11 Networking-Specific Feature Differences

9.  Migrating Domains

10.  Managing Resources

11.  Managing Domain Configurations

12.  Performing Other Administration Tasks

Part II Optional Oracle VM Server for SPARC Software

13.  Oracle VM Server for SPARC Physical-to-Virtual Conversion Tool

14.  Oracle VM Server for SPARC Configuration Assistant (Oracle Solaris 10)

15.  Using the Oracle VM Server for SPARC Management Information Base Software

16.  Logical Domains Manager Discovery

17.  Using the XML Interface With the Logical Domains Manager



Virtual Switch

A virtual switch (vsw) is a component running in a service domain and managed by the virtual switch driver. A virtual switch can be connected to some guest domains to enable network communications between those domains. In addition, if the virtual switch is also associated with a physical network interface, network communications is permitted between guest domains and the physical network over the physical network interface. A virtual switch also has a network interface, vswn, which permits the service domain to communicate with the other domains that are connected to that virtual switch. The virtual switch can be used like any regular network interface and configured with the Oracle Solaris 10 ifconfig command or the Oracle Solaris 11 ipadm command.

Note - When a virtual switch is added to an Oracle Solaris 10 service domain, its network interface is not created. So, by default, the service domain is unable to communicate with the guest domains connected to its virtual switch. To enable network communications between guest domains and the service domain, the network interface of the associated virtual switch must be created and configured in the service domain. See Enabling Networking Between the Control/Service Domain and Other Domains for instructions.

This situation occurs only for the Oracle Solaris 10 OS and not for the Oracle Solaris 11 OS.

You can add a virtual switch to a domain, set options for a virtual switch, and remove a virtual switch by using the ldm add-vsw, ldm set-vsw, and ldm rm-vsw commands, respectively. See the ldm(1M) man page.

The following examples explain how to create a virtual switch on a physical network adapter: