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A VLANIF Interface Goes Down
Common Causes and Solutions
Table 4-10 describes common causes and solutions.
Table 4-10 Common causes and solutions
Common Cause |
Solution |
|---|---|
The VLAN corresponding to the VLANIF interface is not created. |
Run the vlan vlan-id command to create a VLAN corresponding to the VLANIF interface. |
The interface is not added to the VLAN. NOTE:
|
Run the following commands as required.
|
The physical status of all interfaces added to the VLAN is Down. |
Rectify this fault. A VLANIF interface goes Up as long as one interface in the VLAN is Up. |
No IP address is assigned to the VLANIF interface. |
Run the ip address command in the VLANIF interface view to assign an IP address to the VLANIF interface. |
The VLANIF interface is shut down. |
Run the undo shutdown command in the VLANIF interface view to start the VLANIF interface. |