Trunk Port

You can query, modify, or delete the configuration of a trunk interface.

A trunk interface connects to a packet switching device and serves a trunk link. A trunk interface allows frames from multiple VLANs to pass.

Query a trunk interface.
1. Choose Service Management > VLAN > Trunk port in the navigation tree to open the Trunk port page.
2. Select an interface type from the drop-down list box.
3. Enter the interface number, for example, 0/0/1 (stack ID/subcard ID/interface number).
4. Click Query to display all matching records.
Modify the link type.
1. Choose Service Management > VLAN > Trunk port in the navigation tree to open the Trunk port page.
2. Select the interface whose link type you want to change.
  NOTE:
  - To select a record, click the check box of the record.
  - To modify records in batches, click the check boxes of the records.
3. Click Change Link Type. A dialog box is displayed asking "Clear VLANs on the interface first. Do you want to clear VLANs?"
4. Click OK. The Select a link type window is displayed.
5. The link type includes access and hybrid.
6. Click OK.
Clear the VLAN configuration.
1. Choose Service Management > VLAN > Trunk port in the navigation tree to open the Trunk port page.
2. Select the interface configured by the VLAN that you want to clear.
  NOTE:
  - To select a record, click the check box of the record.
  - To delete interfaces in batches, click the check boxes of the files.
3. Click Delete VLANs. A dialog box is displayed asking whether to delete VLANs.
4. Click OK.

Modify a Trunk interface.

Choose Service Management > VLAN > Trunk port in the navigation tree to open the Trunk port page.

Click the

icon to open the Modify VLAN configuration on interface page.

Table 1 describes the parameters on the page.

**Table 1** Modify VLAN configuration
Parameter		Description
Interface Name		Indicates the name of the interface where you want to modify the configuration. This parameter cannot be modified.
PVID		The value ranges from 1 to 4094. This parameter is mandatory.
PermitVLAN		Indicates the IDs of VLANs. The value ranges from 1 to 4094. This parameter is optional. You can enter multiple VLAN IDs, for example, 1-3,5,7,9.