The Filtering Database Window3-19Using the TSX-1620 Bridge ViewSince the Forwarding table cannot be edited, you must add an entry to the StaticTable in order to change or delete it, as desired. Use the Add to Static Table to adda forwarding entry to the static database.The Ageing Time determines how long a Forwarding entry (or a Static entry withdeleteOnTimeout status) is retained before being discarded due to inactivity. Usethe Change Ageing Time button to set a new Ageing Time; see the followingsection for details.Use the Find button to search the Filtering Database for a specific MAC address;see Finding a Filtering Database MAC Address, page 3-22.The Filtering Database window shows a snapshot of the database. Clickingmouse button 1 on the Update button displays the current database.Changing the Filtering Database Dynamic Ageing TimeThe Dynamic Ageing Time determines how long an entry remains in the FilteringDatabase before being purged due to inactivity. Purging older entries ensures thatthe Filtering Database is always using current information to make filter/forwarddecisions.To change the Dynamic Ageing Time:1. In the Filtering Database window, click mouse button 1 on the ChangeAgeing Time button to open the Change Ageing Time window.NOTEDuring a topology change, the Forward Delay is used as the Filtering Database AgeingTime, which ensures that the Filtering Database will contain current topologyinformation.
