cluster-modify

To modify a cluster for high availability (HA) in a fabric, use the cluster-modify command.

Syntax   cluster-modify

name name-string

Specify the name of the cluster.

Any of the following options:

vxlan 0..16777215

Specify the VXLAN ID for cluster over L3.

node1-ip ip-address

Specify the IP address of cluster node 1.

node2-ip ip-address

Specifies the IP address of cluster node 2.

cluster-sync-timeout milliseconds

Specify the amount of time before a cluster times out during synchronization. Specify a time between 500, and 2000 ms.

cluster-sync-offline-count number

Specify the number of missed synchronizations before the cluster goes offline.

enable|disable

Enable or disable the cluster configuration.

stp-mode rstp|mstp

Specify the STP mode for the cluster.

bpdus-bridge-ports|bpdus-all-ports

Specify sending BPDU packets to a specific bridge port.

bridge-id mac-address

Specify the MAC address as the bridge ID.

bridge-priority number

Specify the bridge priority as a multiple of 4096 with a default value of 32768.

hello-time seconds

Specify the hello-time in seconds with a default time of 2 seconds.

forwarding-delay seconds

Specify the forwarding-delay between 4, and 30 seconds with a default time of 15 seconds.

max-age seconds

Specify the maximum age time between 6, and 40 seconds with a default time of 20 seconds.

mst-max-hops number

Specify the maximum hop count for MSTP  BPDU packets. The default value is 20 hops.

mst-config-name mst-config-name-string   

Specify the name of the MST configuration instance.

mst-config-revision mst-config-revision-number

Specify the MST configuration revision number. Allowed values are between 0, and 65535.

root-guard-wait-time seconds

Specify the root guard wait time between 0, and 300 seconds with a default value of 20 seconds. If you set the time to 0, you disable the parameter.

Defaults   None

Access   CLI

History   

Version 1.2

Command introduced.

Version 2.1

The parameter private link was added.

Version 2.2

Command deprecated.

Version 3.0.0

Command reintroduced with new parameters.

Version 6.0.1

Introduced the mst-config-revision parameter.

Usage   A cluster allows two switches to cooperate in high-availability (HA) deployments. The nodes that form the cluster must be members of the same fabric. Clusters are typically used in conjunction with a virtual link aggregation group (VLAG) that allows links physically connected to two separate switches appear as a single trunk to a third device. The third device can be a switch, server, or any Ethernet device.

Examples  To modify a cluster named, cluster_eng, , use the following command:

CLI (network-admin@switch) > cluster-modify name cluster_eng cluster-syn-timeout 500ms

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