HP 6125XLG R2306-HP 6125XLG Blade Switch Layer 3 - IP Routing Configuration Gu - Page 80
Specifying SPF calculation interval, Specifying the LSA arrival interval
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To specify the LSA transmission delay on an interface: Step 1. Enter system view. 2. Enter interface view. 3. Specify the LSA transmission delay. Command system-view interface interface-type interface-number ospf trans-delay seconds Remarks N/A N/A The default setting is 1 second. Specifying SPF calculation interval LSDB changes result in SPF calculations. When the topology changes frequently, a large amount of network and router resources are occupied by SPF calculation. You can adjust the SPF calculation interval to reduce the impact. When network changes are not frequent, the minimum-interval is adopted. If network changes become frequent, the SPF calculation interval is incremented by incremental-interval × 2n-2 (n is the number of calculation times) each time a calculation occurs until the maximum-interval is reached. To configure the SPF calculation interval: Step 1. Enter system view. 2. Enter OSPF view. 3. Specify the SPF calculation interval. Command Remarks system-view N/A ospf [ process-id | router-id router-id | vpn-instance vpn-instance-name ] * N/A spf-schedule-interval maximum-interval [ minimum-interval [ incremental-interval ] ] By default: • The maximum interval is 5 seconds. • The minimum interval is 50 milliseconds. • The incremental interval is 200 milliseconds. Specifying the LSA arrival interval If OSPF receives an LSA that has the same LSA type, LS ID, and router ID as the previously received LSA within the LSA arrival interval, OSPF discards the LSA to save bandwidth and route resources. To configure the LSA arrival interval: Step 1. Enter system view. 2. Enter OSPF view. Command system-view ospf [ process-id | router-id router-id | vpn-instance vpn-instance-name ] * Remarks N/A N/A 69
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