Dell Force10 S25N-S50N FTOS Command Line Reference Guide FTOS 8.4.2.7 E-Series - Page 837
isis hello-interval
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Parameters seconds level-1 level-2 Interval of transmission time between CSNPs on multi-access networks for the designated intermediate system. Range: 0 to 65535 Default: 10 (OPTIONAL) Independently configures the interval of time between transmission of CSNPs for Level 1. (OPTIONAL) Independently configures the interval of time between transmission of CSNPs for Level 2. Defaults seconds = 10; level-1 (if not otherwise specified) Command Modes INTERFACE Usage Information The default values of this command are typically satisfactory transmission times for a specific interface on a designated intermediate system. To maintain database synchronization, the designated routers send CSNPs. Level 1 and Level 2 CSNP intervals can be configured independently. isis hello-interval e Specify the length of time between hello packets sent. Syntax isis hello-interval seconds [level-1 | level-2] To return to the default values, enter the no isis hello-interval [seconds] [level-1 | level-2] command. Parameters seconds level-1 level-2 Allows you to set the length of time between hello packet transmissions. Range: 1 to 65535 Default: 10 (OPTIONAL) Select this value to configure the hello interval for Level 1. This is the default. (OPTIONAL) Select this value to configure the hello interval for Level 2. Defaults seconds = 10; level-1 (if not otherwise specified) Command Modes INTERFACE Usage Information Hello packets are held for a length of three times the value of the hello interval. Use a high hello interval seconds to conserve bandwidth and CPU usage. Use a low hello interval seconds for faster convergence (but uses more bandwidth and CPU resources). Related Commands isis hello-multiplier Specifies the number of IS-IS hello packets a neighbor must miss before the router should declare the adjacency as down. Intermediate System to Intermediate System (IS-IS) | 837