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This chapter describes the Cisco NX-OS multicast routing commands that begin with H.
To enable the Cisco Nexus 7000 Series switch to handle multicast traffic more efficiently in microbursting environments, use the hardware fabric flow-control multicast command. To disable this feature, use the no form of this command.
hardware fabric flow-control multicast [all-modules | forced | module module-number]
no sampler hardware fabric flow-control multicast [all-modules | forced | module module-number]
(Optional) Specifies the fabric flow-control on all modules. |
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(Optional) Specifies the fabric flow-control to individual module(s). |
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This example shows how to configure fabric flow control on all modules:
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To enable the hardware forwarding shim header knob, use the hardware forwarding shim command. To disable this feature, use the no form of this command.
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This example shows how to enable the hardware forwarding shim:
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To configure the hardware proxy Layer 3 multicast balance mode for replication, use the hardware proxy layer-3 replication rebalance-mode command. To disable this feature, use the no form of this command.
hardware proxy layer-3 replication rebalance-mode { auto | manual }
no hardware proxy layer-3 replication rebalance-mode { auto | manual }
Specifies to automatically rebalance VLAN interfaces on available replicators. |
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Specifies to manually rebalance VLAN interfaces on available replicators using the command-line interface (CLI). |
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This command applies only to the Cisco Nexus 7000 Series chassis that contains an F1 Series module or an M1 Series module. This command applies when you are using either a FabricPath or Ethernet interface.
Note The system automatically balances all Layer 3 routing traffic among the available proxy routing interfaces on the M Series modules in the chassis.
This example shows how to automatically rebalance VLAN interfaces on available replicators:
switch(config)# hardware proxy layer-3 replication rebalance-mode auto
This example shows how to manually rebalance VLAN interfaces on available replicators using the CLI:
switch(config)# hardware proxy layer-3 replication rebalance-mode manual
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Displays detailed information on the proxy Layer 3 functionality. |
To configure specific modules and physical interfaces on the N7K-M Series module to provide the proxy routing for egress replication of Layer 3 multicast packets on the N7K-F Series module, use the hardware proxy layer-3 replication command. To delete the user configuration and to use all M-series modules in the virtual device context (VDC) for egress replication, use the no form of this command.
hardware proxy layer-3 replication {exclude | use} {interface ethernet slot/port | module slot-number} [module-type f1]
no hardware proxy layer-3 replication
(Optional) Specifies the type of modules to perform proxy Layer 3 replication. |
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This command applies only to the Cisco Nexus 7000 Series chassis that contains an F1 Series module or an M1 Series module. This command applies when you are using either a FabricPath or Ethernet interface.
The example shows how to configure a service group timeout in seconds:
switch(config)# hardware proxy layer-3 replication exclude interface ethernet 2/1-16, ethernet 3/1, ethernet 4/1-2
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Displays detailed information on the proxy Layer 3 functionality. |
To trigger one-time load balancing among all the proxy routing multicast replication interfaces, use the hardware proxy layer-3 replication trigger rebalance command.
hardware proxy layer-3 replication trigger rebalance
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This command applies only to the Cisco Nexus 7000 Series chassis that contains an F1 Series module or an M1 Series module. This command applies when you are using either a FabricPath or Ethernet interface.
This example shows how to configure load balancing among the proxy routing replication interfaces:
switch# hardware proxy layer-3 replication trigger rebalance
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Displays detailed information on the proxy Layer 3 functionality. |