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Archived Networking Articles
30 Aug 2012
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Creating an Active/Active IPMP for Solaris 11 [27416]
Procedure Explains Network Auto Magic Service

User 20121221 blogs on how to create an active/active ipmp configuration with Solaris 11, in which automated network configuration is managed by a Solaris service called "nwam" or "Network Auto Magic". The nawm service is turned on by default, the post explains, and must be disabled before you make changes to the settings for static IP addresses. One must also employ the "default" physical networking service and be aware that this disables the ipv6 on the interfaces, which persists across reboots. The post notes that the ipadm command is the preferred tool to manage the configuration of the interfaces.
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30 May 2012
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Solaris 11 VNICs on SR-IOV Virtual Functions [26455]
Creating VNICs on Top of VF Devices for Bare-metal-like Performance

A post on Raghuram Kothakota's blog shows how, in three simple steps, one can configure a Virtual Function (VF) so that VNICs can be created on top of the VF device. This done, it becomes possible for an OVM Server for SPARC (aka LDoms) 2.2 to provide support for an SR-IOV VF that can be assigned to a Logical Domain. This VF will provide bare-metal-like performance, the post asserts, and then goes on to outline the three simple steps.
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23 May 2012
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How to Get Started Configuring Your Network in Oracle Solaris 11 [26377]
Changes bring a more consistent and integrated experience

With changes in implementation and the names of network interfaces and the commands and methods for administering and configuring them, the Oracle Solaris 11 network architecture is significantly different from previous releases of Oracle Solaris. Andrew Walton's article describes some of the new features for basic Oracle Solaris 11 network configuration and shows how to use them to add a new system to a simple but typical corporate network. His instructions cover both manual and automatic network configuration. Walton recommends that administrators use network configuration profiles to simplify complex configurations and apply them as a single unit of change.
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18 May 2012
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Solaris and IPv6: Is Solaris Compliant? [26311]
UNH Testing Results Indicate Yes

While he concedes the impossibility of knowing the status of all Oracle products, Jim Laurent points out that it is a matter of record that Solaris 10 and 11 have undergone testing by UNH Interoperability IPv6 test facility. The results are posted at theUNH site. UNH has also tested Oracle Linux and found it fully compatible with Red Hat Linux 5 and 6, which have also been tested by UNH, according to Laurent.
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08 Mar 2012
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Cheatsheet for Configuring the Networking in Solaris 11 [25629]
No More Editing Files; Just Use CLI-based Tools

Joerg Moellenkamp shares a cheatsheet for configuring the networking in Solaris 11 in a recent post. In doing so he remarks that improvements in Solaris 11 have made network configuration easier since one need no longer edit files but instead can use CLI-based tools to change file parameters. Further, he writes, the use of SMF makes determining when changes become active clear. Step by step, then, he shows the code involved in configuring networking in the OS, and he shows how it can be done both manually and automatically.
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24 Feb 2012
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InfiniBand Building Blocks [25513]
Understanding the Configuration of Harware and Software in Oracle's Engineered Systems

The InfiniBand technology underlying Oracle's Engineered Systems prompts a post from Neeraj Gupta, who focuses on the configuration inside a rack involving two servers interconnected by InfiniBand leaf switches. He also discusses the IB software, especially Subnet Manager, that the configuration calls for. Gupta illustrates his post with screen shots and code samples.
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