D-Link DGS-3627G Product Manual - Page 238
OSPF Area Aggregation Settings, OSPF Area Aggregation Settings - Add window
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xStack® DGS-3600 Series Layer 3 Managed Gigabit Ethernet Switch Password/Auth. Key Enter a case-sensitive password for simple authorization or enter the MD5 key you set in the ID MD5 Key Settings window. Transmit Delay The number of seconds required to transmit a link state update over this virtual link. Transit delay takes into account transmission and propagation delays. This field is fixed at 1 second. Retransmit Interval The number of seconds between link state advertisement retransmissions for adjacencies belonging to this virtual link. This field is fixed at 5 seconds. Click Apply to implement changes made. NOTE: For OSPF to function properly some settings should be identical on all participating OSPF devices. These settings include the Hello Interval and Dead Interval. For networks using authorization for OSPF devices, the Authorization Type and Password or Key used must likewise be identical. OSPF Area Aggregation Settings Area Aggregation allows all of the routing information that may be contained within an area to be aggregated into a summary LSDB advertisement of just the network address and subnet mask. This allows for a reduction in the volume of LSDB advertisement traffic as well as a reduction in the memory overhead in the Switch used to maintain routing tables. There are no aggregation settings configured by default, so there will not be any listed the first accessing the window. To add a new OSPF Area Aggregation setting, click the Add button. A new window (pictured below) appears. To change an existing configuration, click on the corresponding Modify button for the set you want to change. The window to modify an existing configuration is the same as the window used to add a new one. To view this window, click L3 Features > OSPF > OSPF > OSPF Area Aggregation Settings, as shown below: Figure 4- 59. OSPF Area Aggregation Settings window Use the window below to change settings or add a new OSPF Area Aggregation setting. Figure 4- 60. OSPF Area Aggregation Settings - Add window Specify the OSPF aggregation settings and click the Apply button to add or change the settings. The new settings will appear listed in the OSPF Area Aggregation Settings window. To view the table, click the Show All OSPF Area Aggregation Entries link to return to the previous window. Use the following parameters to configure the following settings for OSPF Area Aggregation Settings: 222