Dell MX9116n EMC SmartFabric OS10 User Guide Release 10.5.0 - Page 695

Default) Not configured Command Mode ROUTER-OSPF Usage Information The no version of this command disables the summary address. Example OS10(config)# router ospf 100 OS10(config-router-ospf-100)# summary-address 10.0.0.0/8 not-advertise Supported Releases 10.3.0E or later timers lsa arrival Configures the LSA acceptance intervals. Syntax timers lsa arrival arrival-time Parameters arrival-time - Set the interval between receiving the LSA in milliseconds, from 0 to 600,000. Default 1000 milliseconds Command Mode ROUTER-OSPF Usage Information Setting the LSA arrival time between receiving the LSA repeatedly ensures that the system gets enough time to accept the LSA. The no version of this command resets the value to the default. Example OS10(config)# router ospf 10 OS10(conf-router-ospf-10)# timers lsa arrival 2000 Supported Releases 10.2.0E or later timers spf Enables shortest path first (SPF) throttling to delay an SPF calculation when a topology change occurs. Syntax Parameters timers spf [start-time [hold-time [max-wait]]] • start-time - Sets the initial SPF delay in milliseconds, from 1 to 600000; default 1000. • hold-time - Sets the additional hold time between two SPF calculations in milliseconds, from 1 to 600000; default 10000. • max-wait - Sets the maximum wait time between two SPF calculations in milliseconds, from 1 to 600000; default 10000. Default • start-time - 1000 milliseconds • hold-time - 10000 milliseconds • max-wait - 10000 milliseconds Command Mode ROUTER-OSPF Usage Information By default, SPF timers are disabled in an OSPF instance. Use SPF throttling to delay SPF calculations during periods of network instability. In an OSPF network, a topology change event triggers an SPF calculation after a start time. When the start timer finishes, a hold time may delay the next SPF calculation for an additional time. When the hold timer is running: • Each time a topology change occurs, the SPF calculation delays for double the configured hold time up to maximum wait time. • If no topology change occurs, an SPF calculation performs and the hold timer is reset to its configured value. If you do not specify a start-time, hold-time, or max-wait value, the default values are used. The no version of this command removes the configured SPF timers and disables SPF throttling in an OSPF instance. Example OS10(config)# router ospf 100 OS10(config-router-ospf-100)# timers spf 1200 2300 3400 OS10(config-router-ospf-100)# do show ip ospf Layer 3 695