9VSI interfaces or VSI aggregate interfaces are typically created by a VSI manager. You can create a VSIinterface or VSI aggregate interface, or modify its Pre-Associate and Associate properties through thistask.To create a VSI interface or VSI aggregate interface:Step Command Remarks1. Enter system view. system-view N/A2. Enter S-channel interfaceview or S-channel aggregateinterface view.interface { s-channel |schannel-aggregation }interface-number:channel-idN/A3. Create a VSI interface or VSIaggregate interface.evb vsi vsi-local-id { association |pre-association }By default, no VSI interface or VSIaggregate interface exists on anS-channel.Configuring VSI filtersThe EVB bridge uses a VSI filter to identify VSI traffic for a VM. Filters are usually assigned by a VSImanager. You can manually create or remove VSI filters through this task.A VSI filter contains a set of VID values, MAC addresses, and group ID values. EVB supports thefollowing filter info formats:• VLAN ID• VLAN ID + MAC• Group ID + VLAN ID• Group ID + VLAN ID + MACWhen you configure VSI filters on a VSI interface, follow these guidelines:• Before you configure a VSI filter on a VSI interface, make sure the S-channel interface to which theVSI interface belongs operates in trunk mode. Otherwise, the VSI filter configuration fails.• After you configure a VSI filter on a VSI interface, an S-channel interface automatically permits theVLAN that is configured in the VSI filter for the subordinate VSI interface. The same rule takes effecton Layer 2 interfaces associated with S-channels.• When you delete a VSI filter that contains information about a VLAN on a VSI interface, the otherVSI filters on all VSI interfaces of an S-channel interface might not contain the VLAN. If they do not,the S-channel interface automatically denies traffic from the VLAN that is configured on the VSI filter.The same rule takes effect on Layer 2 interfaces associated with S-channels.• When a filter configured on a VSI contains information about a VLAN, you must not configure thefilter on the same VSI interface again or on other VSI interfaces of the S-channel interface. If you do,an error message appears.• If the VSI filter is a set of VID values, and the MAC address learning function for the correspondingS-channel is disabled, traffic for the VSI cannot be forwarded.• Activate a VSI interface after configuring a VSI filter, and deactivate a VSI interface before removinga VSI filter.When you configure VSI filters on a VSI aggregate interface, follow these guidelines: