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Cisco MDS 9000 Series Command Reference

Cisco MDS 9000 Series
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4-10
Cisco MDS 9000 Family Command Reference
OL-8413-07, Cisco MDS SAN-OS Release 3.x
Chapter 4 C Commands
cfs ipv4 distribute
cfs ipv4 distribute
To enable Cisco Fabric Services (CFS) distribution over IPv4 for applications that want to use this
feature, use the cfs ipv4 command in configuration mode. To disable this feature, use the no form of the
command.
cfs ipv4 distribute
no cfs ipv4 distribute
Syntax Description This command has no arguments or keywords.
Defaults CFS distribution is enabled.
CFS over IP is disabled.
Command Modes Configuration mode.
Command History
Usage Guidelines All CFS over IP enabled switches with similar multicast addresses form one CFS over IP fabric. CFS
protocol specific distributions, such as the keep-alive mechanism for detecting network topology
changes, use the IP multicast address to send and receive information.
Observe the following guidelines when using this command:
• If a switch is reachable over both IP and Fibre Channel, application data will be distributed over
Fibre Channel.
• You can select either an IPv4 or IPv6 distribution when CFS is enabled over IP.
• Both IPv4 and IPv6 distribution cannot be enabled on the same switch.
• A switch that has IPv4 distribution enabled cannot detect a switch that IPv6 distribution enabled.
The switches behave as if they are in two different fabrics even though they are connected to each
other.
Examples The following example shows how to disable CFS IPv4 distribution.
switch# config terminal
Enter configuration commands, one per line. End with CNTL/Z.
switch(config)# no cfs ipv4 distribute
This will prevent CFS from distributing over IPv4 network.
Are you sure? (y/n) [n]
Release Modification
3.0(1) This command was introduced.

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Cisco MDS 9000 Series Specifications

General IconGeneral
CategorySwitch
Operating SystemCisco NX-OS
PortsVaries by model
ProtocolsFibre Channel (FC), Fibre Channel over IP (FCIP), iSCSI
RedundancyRedundant supervisors, power supplies, and fans
ManagementCisco Data Center Network Manager (DCNM), CLI, SNMP
Virtualization SupportVSANs (Virtual SANs)
Security FeaturesFibre Channel Security Protocol (FC-SP)
Hot Swappable Componentspower supplies, fans
Power Supply OptionsAC and DC options available

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