Vitualization Support; Licensing Requirements For Mld; Prerequisites For Mld; Guidelines And Limitations For Mld - Cisco Nexus 7000 Series Configuration Manual

Virtualization Support
You can configure a robustness value to compensate for the packet loss on a congested network. The robustness
value is used by the MLD software to determine the number of times to send messages.
Link local addresses in the range FF02::0/16 have link scope, as defined by the Internet Assigned Numbers
Authority (IANA). Network protocols on a local network segment use these addresses; routers do not forward
these addresses because they have a TTL of 1. By default, the MLD process sends listener reports only for
nonlink local addresses, but you can configure the software to send reports for link local addresses.
Virtualization Support
A virtual device context (VDC) is a logical representation of a set of system resources. Within each VDC,
you can define multiple virtual routing and forwarding (VRF) instances. One MLD process can run per VDC.
The MLD process supports all VRFs in that VDC.
For information about configuring VDCs, see theCisco Nexus 7000 Series NX-OS Virtual Device Context
Configuration Guide.
For information about configuring VRFs, see Cisco Nexus 7000 Series NX-OS Unicast Routing Configuration
Guide.

Licensing Requirements for MLD

Product
Cisco NX-OS

Prerequisites for MLD

MLD has the following prerequisites:
• You are logged onto the device.
• You are in the correct virtual device context (VDC). A VDC is a logical representation of a set of system
• For global configuration commands, you are in the correct virtual routing and forwarding (VRF) mode.

Guidelines and Limitations for MLD

MLD has the following guidelines and limitations:
Cisco Nexus 7000 Series NX-OS Multicast Routing Configuration Guide
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resources. You can use the switchto vdc command with a VDC number.
The default configuration mode shown in the examples in this chapter applies to the default VRF.
License Requirement
MLD requires no license. Any feature not included
in a license package is bundled with the Cisco NX-OS
system images and is provided at no extra charge to
you. For a complete explanation of the Cisco NX-OS
licensing scheme, see the Cisco NX-OS Licensing
Guide.
Configuring MLD