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Metric Style Correct Value Range for the isis metric Command
wide transition 0 to 16777215
narrow transition 0 to 63
transition 0 to 63
Maximum Values in the Routing Table
IS-IS metric styles support different cost ranges for the route. The cost range for the narrow metric style
is 0 to 1023, while all other metric styles support a range of 0 to 0xFE000000.
Change the IS-IS Metric Style in One Level Only
By default, the IS-IS metric style is narrow. When you change from one IS-IS metric style to another, the
IS-IS metric 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 30. Metric Value When the Metric Style Changes
Beginning Metric Style Final Metric Style Resulting IS-IS Metric Value
wide narrow default value (10) if the original
value is greater than 63. A
message is sent to the console.
wide transition truncated value (the truncated
value appears in the LSP only).
The original isis metric value
is displayed in the show config
and show running-config
commands and is used if you
change back to transition metric
style.
NOTE: A truncated value is a
value that is higher than 63,
but set back to 63 because
the higher value is not
supported.
wide narrow transition default value (10) if the original
value is greater than 63. A
message is sent to the console.
wide wide transition original value
narrow wide original value
narrow transition original value
narrow narrow transition original value
narrow wide transition original value
transition wide original value
Intermediate System to Intermediate System
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