| title | description | author | ms.author | ms.date | ms.service | ms.subservice | ms.topic | f1_keywords | helpviewer_keywords | dev_langs | ||||||||
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sys.dm_hadr_cluster_networks (Transact-SQL) |
Returns a row for every WSFC cluster member that is participating in an availability group's subnet configuration. |
rwestMSFT |
randolphwest |
10/17/2023 |
sql |
system-objects |
reference |
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[!INCLUDE SQL Server]
Returns a row for every WSFC cluster member that is participating in an availability group's subnet configuration. You can use this dynamic management view to validate the network virtual IP that is configured for each availability replica.
Primary key: member_name + network_subnet_ip + network_subnet_prefix_length
Tip
Beginning in [!INCLUDE ssSQL14], this dynamic management view supports Always On failover cluster instances (FCIs) in addition to availability groups (AGs).
| Column name | Data type | Description |
|---|---|---|
member_name |
nvarchar(128) | A computer name of a node in the WSFC cluster. |
network_subnet_ip |
nvarchar(48) | Network IP address of the subnet to which the computer belongs. This can be an IPv4 or IPv6 address. |
network_subnet_ipv4_mask |
nvarchar(45) | Network subnet mask that specifies the subnet to which the IP address belongs. network_subnet_ipv4_mask to specify the DHCP <network_subnet_option> options in a WITH DHCP clause of the CREATE AVAILABILITY GROUP or ALTER AVAILABILITY GROUP[!INCLUDE tsql] statement.NULL = IPv6 subnet. |
network_subnet_prefix_length |
int | Network IP prefix length that specifies the subnet to which the computer belongs. |
is_public |
bit | Whether the network is private or public on the WSFC cluster, one of: 0 = Private 1 = Public |
is_ipv4 |
bit | Type of the subnet, one of: 1 = IPv4 0 = IPv6 |
[!INCLUDE dmv-cluster-column-display]
For [!INCLUDE sssql19-md] and previous versions, requires VIEW SERVER STATE permission on the server.
For [!INCLUDE sssql22-md] and later versions, requires VIEW SERVER PERFORMANCE STATE permission on the server.