Scheduled Service Change: Upgrade of Tier1 network switches in Server Farm
Services on servers that are single attached to Tier 1 will have a 5-10 minute outage at some point during the 2 hour maintenance window. Tier1 is the main tier and several services will be effected.
There is no workaround for this issue
Upgrade Tier 1 network switch firmware in the Server Farm, the switches will be upgraded one at a time.\n\nServers that are connected to both a tier 1 and tier 2 switch will use Sun IPMP, Sun Cluster, Linux channel bonding or Windows NIC teaming to keep the ethernet available during the switch upgrade. Servers that are single attached will see a 5-10 minute network outage.
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