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Dell SmartFabric OS10 User Guide Release 10.5.3

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nlb cluster

Configures the NLB cluster IP and Cluster MAC address to make a VLAN a NLB cluster VLAN.

Syntax
[no] nlb cluster ip-address mac-address interface {ethernet node/slot/port[:subport] | port-channel {1-999 | 1001-2000}}
Parameters
  • ip-address—Set the IPv4 address of the NLB cluster.
  • mac-address—Unicast or multicast MAC address of the NLB cluster member.
  • interface - Multicast member interface of the NLB cluster.
  • ethernet node/slot/port[:subport]—Ethernet physical interface of the multicast NLB cluster member.
  • port-channel {1-999 | 1001-2000}—Port-channel interface of the multicast NLB cluster member.
Default
None.
Command Mode
INTERFACE-VLAN-CONFIGURATION
Security and access
sysadmin, netadmin, and netoperator roles
Usage Information

You can configure the NLB cluster IP and MAC addresses to a VLAN to make a VLAN NLB VLAN.

If a VLAN is already a FCoE VLAN or, private VLAN or, RSPAN VLAN or, VN VLAN, you cannot make it an NLB cluster VLAN.

You cannot configure NLB cluster VLANs as FCOE VLAN or, private VLAN or, RSPAN VLAN, or VN VLAN.

If you do not provide an interface list, all member interfaces of the VLAN become the NLB server host-connected interfaces. Otherwise, the member interfaces become the interfaces corresponding to the interface list that you provide. Packets destined to NLB cluster IP address are forward the above interface list.

If you provide an interface which is not the member of the VLAN, the command is not rejected. After the interface becomes the member of the VLAN, forwarding functions.

Even though commands are accepted while this VLAN is a nondefault VLAN; if the VLAN is the default VLAN, NLB configurations are not accepted. After the VLAN becomes a nondefault VLAN, the configurations turn to Active state.

Dell Technologies does not recommend to configuring the NLB IPs as host IPs in any other VRFs configured in the switch.

Example 
OS10(conf-if-vl-200)# nlb-cluster 1.1.1.1 00:00:00:00:00:01

OS10(conf-if-vl-200)# nlb-cluster 10.1.1.1 03:bf:00:00:00:01 interface ethernet 1/1/1

OS10(conf-if-vl-200)# nlb-cluster 10.1.1.1 03:bf:00:00:00:01 interface ethernet 1/1/1, 1/1/5

OS10(conf-if-vl-200)#no nlb-cluster 10.1.1.1 03:bf:00:00:00:01 interface ethernet 1/1/3-1/1/4

OS10(conf-if-vl-200)# nlb-cluster 10.1.1.1 03:bf:00:00:00:01 interface port-channel 5

% Error: No Space for NLB ACL entry in ACL Table

OS10(conf-if-vl-200)# show configuration

nlb-cluster 1.1.1.1 00:00:00:00:00:01

nlb-cluster 10.1.1.1 03:bf:00:00:00:01 interface ethernet 1/1/1-1/1/2,1/1/5

nlb-cluster 10.1.1.1 03:bf:00:00:00:01 interface port-channel 5
Supported Releases
10.5.3 or later

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