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Redundant NICs on Solaris

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In June 2001 I wrote an article for SysAdmin Magazine showing how to script NIC failover in Solaris. IPMP wasn’t introduced until the 10/00 release of Solaris 8 (or MU2 if you’re keeping score that way). At the time the environments being managed were Solaris 2.6 and Solaris 7 – the site upgrade to 8 was a long way off.

So I came up with some scripts to enable NIC failover between two ethernet interfaces on the same VLAN. The script itself was pretty basic and relied on ndd and ping – a bit belt and braces, but as the article explains, there were no other cost-free options at the time.

You can find the original article on the SysAdmin Magazine website at http://www.samag.com/documents/s=9368/sam0106j/0106j.htm

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