Information About Cisco NX-OS System-Level High Availability
Cisco NX-OS system-level HA mitigates the impact of hardware or software failures and is supported by the following features:
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Redundant hardware components:
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Supervisor
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Switch fabric
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Power supply
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Fan trays
For details about physical requirements and redundant hardware components, respectively, see the Cisco Nexus 7000 Series Site Preparation Guide and the Cisco Nexus 7000 Series Hardware Installation and Reference Guide.
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HA software features:
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For details about configuring and performing nondisruptive upgrades, see ISSU and High Availability.
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Nonstop forwarding (NSF) — For details about nonstop forwarding, also known as graceful restart, see the Cisco Nexus 7000 Series NX-OS Unicast Routing Configuration Guide.
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Virtual device contexts (VDCs) — For details about VDCs and HA, see the Cisco Nexus 7000 Series NX-OS Virtual Device Context Configuration Guide.
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Generic online diagnostics (GOLD) — For details about configuring GOLD, see the Cisco Nexus 7000 Series NX-OS System Management Configuration Guide.
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Embedded event manager (EEM) — For details about configuring EEM, see the Cisco Nexus 7000 Series NX-OS System Management Configuration Guide.
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Smart Call Home — For details about configuring Smart Call Home, see the Cisco Nexus 7000 Series NX-OS System Management Configuration Guide.
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Virtualization Support
For information about system-level high availability within a virtual device context (VDC), see, chapter Network-level High Availability.
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For complete information on VDCs, see the Cisco Nexus 7000 Series NX-OS Virtual Device Context Configuration Guide. |