Multicast Best-Effort - Cisco Nexus 7000 Series Reference Manual

Nx-os system management command reference

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multicast best-effort

To configure the multicast best effort mode for the specified Encapsulated Remote Switched Port

Analyzer (ERSPAN) or the Ethernet Switched Port Analyzer (SPAN) session, use the multicast

best-effort command. To remove the multicast best effort mode for an ERSPAN or SPAN session, use

the no form of this command.

Syntax Description

This command has no arguments or keywords.

Command Modes

Monitor configuration (config-monitor)

Supported User Roles

network-admin

Command History

Usage Guidelines

By default, SPAN replication occurs on both the ingress and egress line card. When you enable the

multicast best effort mode, SPAN replication occurs only on the ingress line card for multicast traffic or

on the egress line card for packets egressing out of Layer 3 interfaces (that is, on the egress line card,

packets egressing out of Layer 2 interfaces are not replicated for SPAN).

Make sure that you are in the correct virtual device context (VDC). To change the VDC, use the switchto

vdc command.

Multicast best effort mode applies only to M1 Series modules

This command does not require a license.

This example shows how to configure the multicast best effort mode for the specifies ERSPAN or SPAN

switch# configure terminal

switch(config)# monitor session 3

switch(config-monitor)# multicast best-effort

switch(config-monitor)#

multicast best-effort

no multicast best-effort

Modification

This command was introduced.

Cisco Nexus 7000 Series NX-OS System Management Command Reference

multicast best-effort