Dell POWEREDGE M1000E - Manual (Page 501)

Configuring Port Characteristics 501
Link Dependency Configuration
Use the Link Dependency Configuration page to create link dependency
groups. You can create a maximum of 16 dependency groups. The page
displays the groups whether they have been configured or not.
To display the Link Dependency Configuration page, click Switching →
Link Dependency → Configuration in the navigation panel.
Figure 18-4. Link Dependency Configuration
Creating a Link Dependency Group
To create link dependencies:
1 Open the Link Dependency Configuration page.
2 In the Group ID field, select the ID of the group to configure.
3 Specify the link action.
4 To add a port to the Member Ports column, click the port in the Available
Ports column, and then click the < button to the left of the Available
Ports column. Ctrl + click to select multiple ports.