Dell POWEREDGE M1000E - Manual (Page 623)

Configuring VLANs 623
b In the Static row, click the space for ports 16–20 so the U (untagged)
displays for each port.
Figure 21-27. VLAN Membership - VLAN 200
3 Click Apply.
4 Assign ports 2–15 and LAG1 to the Payroll VLAN.
a From the Switching → VLAN → VLAN Membership page, select
400-Payroll from the Show VLAN field.
b In the Static row, click the space for ports 2–15 and LAG 1 so the U
(untagged) displays for each port, and then click Apply.
5. Configure LAG 1 to be in general mode and specify that the LAG will
accept tagged or untagged frames, but that untagged frames will be
transmitted tagged with PVID 400.