Dell Force10 S50P FTOS Command Line Reference Guide FTOS 8.4.2.7 E-Series Tera - Page 841
isis priority, is-type
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isis priority e Set priority of the designated router you select. Syntax isis priority value [level-1 | level-2] To return to the default values, enter the no isis priority [value] [level-1 | level-2] command. Parameters value level-1 level-2 This value sets the router priority. The higher the value, the higher the priority. Range: 0 to 127 Default: 64 (OPTIONAL) Specify the priority for Level 1. This is the default. (OPTIONAL) Specify the priority for Level 2. Defaults value = 64; level-1 (if not otherwise specified) Command Modes INTERFACE Usage Information You can configure priorities independently for Level 1 and Level 2. Priorities determine which router on a LAN will be the designated router. Priorities are advertised within hellos. The router with the highest priority will become the designated intermediate system (DIS). Routers with a priority of 0 cannot be a designated router. Setting the priority to 0 lowers the chance of this system becoming the DIS, but does not prevent it. If all the routers have priority 0, one with highest MAC address will become DIS even though its priority is 0. is-type e Configure IS-IS operating level for a router. Syntax is-type {level-1 | level-1-2 | level-2-only} To return to the default values, enter no is-type. Parameters level-1 level-1-2 level-2-only Allows a router to act as a Level 1 router. Allows a router to act as both a Level 1 and Level 2 router. This is the default. Allows a router to act as a Level 2 router. Defaults level-1-2 Command Modes ROUTER ISIS Usage Information The IS-IS protocol automatically determines area boundaries and are able to keep Level 1 and Level 2 routing separate. Poorly planned use of this feature may cause configuration errors, such as accidental area partitioning. If you are configuring only one area in your network, you do not need to run both Level 1 and Level 2 routing algorithms. The IS type can be configured as Level 1. Intermediate System to Intermediate System (IS-IS) | 841