Cisco has simplified the VSM deployment with Virtual Switch Update Manager (VSUM), a virtual appliance that can be installed on VMware ESXi hypervisor and registered as a plugin with VMware vCenter. VSUM enables the SA to install, monitor, migrate, and upgrade Cisco Nexus 1000V in high availability or standalone mode. With VSUM, you can deploy multiple instances of Nexus 1000V and manage them from a single appliance. VSUM only provides layer 3 connectivity with ESXi hosts. For layer 2 connectivity with ESXi, you still have to deploy Nexus 1000V VSM manually and need to configure L2 mode in basic configuration.
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