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	<title>Blog O' Matty &#187; Solaris Networking</title>
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	<description>Blog O' Matty</description>
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		<item>
		<title>Configuring a caching only DNS server on Solaris hosts</title>
		<link>http://prefetch.net/blog/index.php/2010/07/14/configuring-a-caching-only-dns-server-on-solaris-hosts/</link>
		<comments>http://prefetch.net/blog/index.php/2010/07/14/configuring-a-caching-only-dns-server-on-solaris-hosts/#comments</comments>
		<pubDate>Wed, 14 Jul 2010 22:07:31 +0000</pubDate>
		<dc:creator>matty</dc:creator>
				<category><![CDATA[DNS & BIND]]></category>
		<category><![CDATA[Solaris Networking]]></category>

		<guid isPermaLink="false">http://prefetch.net/blog/?p=3751</guid>
		<description><![CDATA[While investigating a performance issue a few weeks back, I noticed that a couple of our Solaris hosts were sending 10s of thousands of DNS requests to our authoritative DNS servers. Since the application was broken and unable to cache DNS records, I decided to configure a local caching only DNS server to reduce load [...]]]></description>
		<wfw:commentRss>http://prefetch.net/blog/index.php/2010/07/14/configuring-a-caching-only-dns-server-on-solaris-hosts/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>Configuring an OpenSolaris host to use a static IP address</title>
		<link>http://prefetch.net/blog/index.php/2009/12/13/configuring-an-opensolaris-host-to-use-a-static-ip-address/</link>
		<comments>http://prefetch.net/blog/index.php/2009/12/13/configuring-an-opensolaris-host-to-use-a-static-ip-address/#comments</comments>
		<pubDate>Sun, 13 Dec 2009 15:01:10 +0000</pubDate>
		<dc:creator>matty</dc:creator>
				<category><![CDATA[Solaris Networking]]></category>

		<guid isPermaLink="false">http://prefetch.net/blog/?p=3159</guid>
		<description><![CDATA[I installed OpenSolaris 2009.06 yesterday, and noticed that the installer doesn&#8217;t give you the option to configure a static IP address. Network address are retrieved via DHCP, which isn&#8217;t an option for this host. To configure the host to use a static IP address, I changed the /etc/nwam/llp file. Here is the file before: $ [...]]]></description>
		<wfw:commentRss>http://prefetch.net/blog/index.php/2009/12/13/configuring-an-opensolaris-host-to-use-a-static-ip-address/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Monitoring traffic across a Solaris 802.3ad link aggregation</title>
		<link>http://prefetch.net/blog/index.php/2009/08/28/monitoring-traffic-across-a-solaris-802-3ad-link-aggregation/</link>
		<comments>http://prefetch.net/blog/index.php/2009/08/28/monitoring-traffic-across-a-solaris-802-3ad-link-aggregation/#comments</comments>
		<pubDate>Fri, 28 Aug 2009 16:47:32 +0000</pubDate>
		<dc:creator>matty</dc:creator>
				<category><![CDATA[Solaris Networking]]></category>

		<guid isPermaLink="false">http://prefetch.net/blog/?p=2882</guid>
		<description><![CDATA[I manage a number of Solaris hosts that push a fair amount of data each day. These servers utilize Solaris 802.3ad link aggregations, which contain anywhere from 4 to 8 physical NICs. Monitoring the bandwidth across the links in an aggregation is a snap with Solaris, since most of the dladm subcommands support the &#8220;-s&#8221; [...]]]></description>
		<wfw:commentRss>http://prefetch.net/blog/index.php/2009/08/28/monitoring-traffic-across-a-solaris-802-3ad-link-aggregation/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Measuring TCP and UDP throughput between Linux and Solaris hosts</title>
		<link>http://prefetch.net/blog/index.php/2009/07/30/measuring-tcp-and-udp-throughput-between-linux-and-solaris-hosts/</link>
		<comments>http://prefetch.net/blog/index.php/2009/07/30/measuring-tcp-and-udp-throughput-between-linux-and-solaris-hosts/#comments</comments>
		<pubDate>Thu, 30 Jul 2009 23:48:27 +0000</pubDate>
		<dc:creator>matty</dc:creator>
				<category><![CDATA[Linux Networking]]></category>
		<category><![CDATA[Solaris Networking]]></category>

		<guid isPermaLink="false">http://prefetch.net/blog/?p=2655</guid>
		<description><![CDATA[I have been assisting a friend with tuning his Netbackup installation. While debugging the source of his issues, I noticed that several jobs were reporting low throughput numbers. In each case the client was backing up a number of large files, which should have been streamed at gigabit Ethernet speeds. To see how much bandwidth [...]]]></description>
		<wfw:commentRss>http://prefetch.net/blog/index.php/2009/07/30/measuring-tcp-and-udp-throughput-between-linux-and-solaris-hosts/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>How does crossbow deal with MAC address conflicts?</title>
		<link>http://prefetch.net/blog/index.php/2009/06/25/how-does-crossbow-deal-with-mac-address-conflicts/</link>
		<comments>http://prefetch.net/blog/index.php/2009/06/25/how-does-crossbow-deal-with-mac-address-conflicts/#comments</comments>
		<pubDate>Thu, 25 Jun 2009 12:28:14 +0000</pubDate>
		<dc:creator>matty</dc:creator>
				<category><![CDATA[Solaris Networking]]></category>

		<guid isPermaLink="false">http://prefetch.net/blog/?p=2350</guid>
		<description><![CDATA[When I gave my presentation on Solaris network virtualization a few months back, one of the folks in the audience asked me how Crossbow deals with duplicate MAC detection. I didn&#8217;t have a solid answer for the gentlemen that asked, but thanks to Nicolas Droux from Solaris kernel engineering, now I do. Here is what [...]]]></description>
		<wfw:commentRss>http://prefetch.net/blog/index.php/2009/06/25/how-does-crossbow-deal-with-mac-address-conflicts/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>Updating inetd service manifests on Solaris hosts</title>
		<link>http://prefetch.net/blog/index.php/2009/05/06/updating-service-manifests-that-already-exist-on-solaris-hosts/</link>
		<comments>http://prefetch.net/blog/index.php/2009/05/06/updating-service-manifests-that-already-exist-on-solaris-hosts/#comments</comments>
		<pubDate>Wed, 06 May 2009 13:05:37 +0000</pubDate>
		<dc:creator>matty</dc:creator>
				<category><![CDATA[Solaris Networking]]></category>

		<guid isPermaLink="false">http://prefetch.net/blog/?p=1758</guid>
		<description><![CDATA[I configured a jumpstart server this weekend in my home lab, and needed to enable tftp to allow clients to fetch pxegrub and the Solaris kernel. To enable the tftp service, I uncommented the tftp service in /etc/inetd.conf and ran inetconv. It later dawned on me that I needed to update the directory tftp serves [...]]]></description>
		<wfw:commentRss>http://prefetch.net/blog/index.php/2009/05/06/updating-service-manifests-that-already-exist-on-solaris-hosts/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Berkeley Packet Filter support in OpenSolaris</title>
		<link>http://prefetch.net/blog/index.php/2009/04/11/berkeley-packet-filter-support-in-opensolaris/</link>
		<comments>http://prefetch.net/blog/index.php/2009/04/11/berkeley-packet-filter-support-in-opensolaris/#comments</comments>
		<pubDate>Sat, 11 Apr 2009 18:02:17 +0000</pubDate>
		<dc:creator>matty</dc:creator>
				<category><![CDATA[Solaris Networking]]></category>

		<guid isPermaLink="false">http://prefetch.net/blog/?p=1493</guid>
		<description><![CDATA[While catching up with e-mail this morning, I noticed that the OpenSolaris community is planning to integrate the Berkeley packet filter into opensolaris: &#8220;This case seeks to build on the Crossbow (PSARC/2006/357[7]) infrastructure and provide a new (to OpenSolaris) mechanism for capturing packets: the use of the Berkeley Packet Filter (BPF). The goal of this [...]]]></description>
		<wfw:commentRss>http://prefetch.net/blog/index.php/2009/04/11/berkeley-packet-filter-support-in-opensolaris/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Renaming network interfaces on OpenSolaris hosts</title>
		<link>http://prefetch.net/blog/index.php/2009/04/08/renaming-network-interfaces-on-opensolaris-hosts/</link>
		<comments>http://prefetch.net/blog/index.php/2009/04/08/renaming-network-interfaces-on-opensolaris-hosts/#comments</comments>
		<pubDate>Wed, 08 Apr 2009 22:36:18 +0000</pubDate>
		<dc:creator>matty</dc:creator>
				<category><![CDATA[Solaris Networking]]></category>

		<guid isPermaLink="false">http://prefetch.net/blog/?p=1374</guid>
		<description><![CDATA[While preparing my presentation for the Atlanta UNIX users group this past weekend, I accidentally created a VNIC with the wrong name. Instead of removing it and recreating it, I decided to test out the &#8220;rename-link&#8221; subcommand that was introduced as part of project Clearview. The rename feature worked swimmingly, and with a single dladm [...]]]></description>
		<wfw:commentRss>http://prefetch.net/blog/index.php/2009/04/08/renaming-network-interfaces-on-opensolaris-hosts/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>OpenSolaris network virtualization slides</title>
		<link>http://prefetch.net/blog/index.php/2009/04/06/opensolaris-network-virtualization-slides/</link>
		<comments>http://prefetch.net/blog/index.php/2009/04/06/opensolaris-network-virtualization-slides/#comments</comments>
		<pubDate>Tue, 07 Apr 2009 02:20:40 +0000</pubDate>
		<dc:creator>matty</dc:creator>
				<category><![CDATA[Solaris Networking]]></category>

		<guid isPermaLink="false">http://prefetch.net/blog/?p=1376</guid>
		<description><![CDATA[I gave a talk tonight on network virtualization at the Atlanta UNIX users group. The talk focused on the OpenSolaris network virtualization project (project Crossbow), and described Crossbow and how to use it. I posted the slide deck I used on my website, so you can grab the presentation and the latest Nevada build and [...]]]></description>
		<wfw:commentRss>http://prefetch.net/blog/index.php/2009/04/06/opensolaris-network-virtualization-slides/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Viewing and changing network device properties on Solaris hosts</title>
		<link>http://prefetch.net/blog/index.php/2009/03/15/viewing-network-device-properties-on-solaris-hosts/</link>
		<comments>http://prefetch.net/blog/index.php/2009/03/15/viewing-network-device-properties-on-solaris-hosts/#comments</comments>
		<pubDate>Sun, 15 Mar 2009 16:11:12 +0000</pubDate>
		<dc:creator>matty</dc:creator>
				<category><![CDATA[Solaris Networking]]></category>

		<guid isPermaLink="false">http://prefetch.net/blog/?p=861</guid>
		<description><![CDATA[Project brussels from the OpenSolaris project revamped how link properties are managed, and their push to get rid of ndd and device-specific properties is now well underway! Link properties are actually pretty cool, and they can be displayed with the dladm utilities &#8220;show-linkprop&#8221; option: $ dladm show-linkprop e1000g0 LINK PROPERTY PERM VALUE DEFAULT POSSIBLE e1000g0 [...]]]></description>
		<wfw:commentRss>http://prefetch.net/blog/index.php/2009/03/15/viewing-network-device-properties-on-solaris-hosts/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
		</item>
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