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Viewing the forwarding database

The Forwarding tab shows the forwarding database for the VLAN and contains information about unicast entries for which the bridge has forwarding and/or filtering information.This information is used by the transparent bridging function to determine how to forward a received frame.

To access the Forwarding tab:

  1. From the Device Manager menu bar, choose VLAN > VLANs.
  2. The VLAN dialog box opens with the Basic tab displayed.
  3. In the VLAN dialog box, select a VLAN and click Bridge.
  4. The Bridge, VLAN dialog box opens with the Transparent tab displayed.
  5. Click Forwarding.
  6. The Forwarding tab opens.

The table that follows describes the Forwarding tab fields on the Bridge, VLAN dialog box.


Field Description
VlanID
The VLAN ID used for the VLAN.
Address
A unicast MAC address for which the bridge has forwarding and/or filtering information.
Port
Either a value of zero (0) or the port number of the port on which a frame having the specified MAC address has been seen. A value of 0 indicates a self-assigned MAC address.
Status
The status of the entry. Possible values include:
  • invalid - this entry is no longer valid (e.g., it was learned, but has since aged out). However, it has not yet been flushed from the table.
  • learned--a learned entry that is being used
  • self - the value of the corresponding instance of dot1qTpFdbAddress represents one of the device's addresses. The corresponding instance of dot1qTpFdbPort indicates which of the device's ports has this address.
  • mgmt - the value of the corresponding instance of dot1qTpFdbAddress is also the value of an existing instance of dot1qStaticAddress.
  • other- none of the previous values. This may include those cases where some other MIB object is being used to determine if and how frames addressed to the value of the corresponding instance of dot1qTpFdbAddress are being forwarded.


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