Method of reducing traffic loss when bringing up a switch within a multi chassis switch cluster without using dedicated intra cluster links
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United States of America Patent
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Oct 31, 2017
Issued Date -
N/A
app pub date -
Jun 6, 2014
filing date -
Jun 6, 2014
priority date (Note) -
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Abstract
A method, apparatus and computer readable medium for reducing traffic loss when bringing up a switch within a multi chassis switch cluster without using dedicated intra cluster links is presented. A first network device in a cluster discovers at least one path to a second network device in the cluster, wherein the cluster utilizes at least one virtual IST between the first network device and the second network device. The first network device starts an Inter Switch Trunk (IST) synchronization process with the second network device. The first network device installs redirection rules, wherein the redirection rules are used for datapath traffic and are not used for control channel traffic. The first network device determines that the IST synchronization process between the first network device and the second network device has completed, and removes the redirection rules.
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