Metric Style Correct Value Range for the isis metric Commandwide 0 to 16777215narrow 0 to 63wide transition 0 to 16777215narrow transition 0 to 63transition 0 to 63Maximum Values in the Routing TableIS-IS metric styles support different cost ranges for the route. The cost range for the narrow metric style is 0to 1023, while all other metric styles support a range of 0 to 0xFE000000.Change the IS-IS Metric Style in One Level OnlyBy default, the IS-IS metric style is narrow. When you change from one IS-IS metric style to another, the IS-ISmetric value (configured with the isis metric command) could be affected.In the following scenarios, the IS-type is either Level-1 or Level-2 or Level-1-2 and the metric style changes.Table 41. Metric Value When the Metric Style ChangesBeginning Metric Style Final Metric Style Resulting IS-IS Metric Valuewide narrow default value (10) if the originalvalue is greater than 63. A messageis sent to the console.wide transition truncated value (the truncatedvalue appears in the LSP only). Theoriginal isis metric value isdisplayed in the show config andshow running-configcommands and is used if youchange back to transition metricstyle.NOTE: A truncated value is avalue that is higher than 63,but set back to 63 becausethe higher value is notsupported.wide narrow transition default value (10) if the originalvalue is greater than 63. A messageis sent to the console.wide wide transition original valueIntermediate System to Intermediate System 604
