This documentation supports the 11.3 version of BMC Discovery.

To view an earlier version of the product, select the version from the Product version menu.

Managing network device virtual interface discovery

BMC Discovery has the ability to discover network device virtual interfaces. By default, this ability is disabled as some devices have very many virtual interfaces and their discovery can have a significant performance impact. 

You can manage network device virtual interface discovery by using the tw_options command.

Warning

Use of the tw_options command is strictly restricted to managing network device virtual interface discovery and managing attachments only. Unless explicitly instructed by BMC Support, you must not change any other tw_options options as it may result in unexpected BMC Discovery behavior.

Enabling network device virtual interface discovery

To enable network device virtual interface discovery:

  1. Log in to the appliance command line as the tideway user.
  2. Enable network device virtual interface discovery using either the system user or another user belonging to the system or admin group:
    • If using the system user:

      [tideway@localhost ~]$ tw_options NETWORK_DISCOVERY_VIRTUAL_INTERFACES=True
    • If using another user (other than the system user) belonging to the system or admin group:

      tw_options -u <user name> NETWORK_DISCOVERY_VIRTUAL_INTERFACES=True
  3. When prompted, depending on the command you have run in the previous step, enter the system or user's UI password. 

  4. Exit from the command line prompt.

Disabling network device virtual interface discovery

If network device virtual interface discovery has been enabled and you want to disable it, you must: 

  1. Log in to the appliance command line as the tideway user.
  2. Disable network device virtual interface discovery using either system user or another user belonging to the system or admin group:
    • If using the system user:

      [tideway@localhost ~]$ tw_options NETWORK_DISCOVERY_VIRTUAL_INTERFACES=False
    • If using another user (other than the system user) belonging to the system or admin group:

      tw_options -u <user name> NETWORK_DISCOVERY_VIRTUAL_INTERFACES=False
  3. When prompted, depending on the command you have run in the previous step, enter the system or user's UI password.

  4. Exit from the command line prompt.

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