OcNOS-RON : Layer 3 Guide : Intermediate System to Intermediate System Command Reference : IS-IS Commands : metric-style
metric-style
Use this command to configure the ISIS metric style. Use the following table when changing the method of how TLV encodes and SPF calculates a decision:
 
 
Metric-style Command
Wide SPF
Wide TLV
Narrow SPF
Narrow TLV
narrow (default)
OFF
OFF
ON
OFF
narrow transition
ON
OFF
ON
ON
wide
ON
ON
OFF
OFF
wide transition
ON
ON
ON
OFF
transition
ON
ON
ON
ON
Where:
• Wide SPF: Uses wide TLVs for SPF calculation.
• Wide TLV: Encodes wide TLVs in the LSP.
• Narrow SPF: Uses narrow TLVs for SPF calculation.
• Narrow TLV: Encodes narrow TLVs in the LSP.
Use the no parameter to set the style to the default style, narrow.
Command Syntax
metric-style (narrow|wide|transition) (level-1|level-2|)
metric-style (narrow|wide) transition (level-1|level-2|)
no metric-style
Parameters
narrow
Specify the old style of TLVs with narrow metric.
wide
Specify the new style of TLVs to carry wider metric.
transition
Specify to send and accept both styles of TLVs during transition.
level-1
Specify the level-1 metric style.
level-2
Specify the level-2 metric style.
transition
Accept both styles of TLVs during transition
Default
By default, ISIS uses narrow metric style for level 1 and 2.
Command Mode
Router mode
Examples
(config)#router isis bb
(config-router)#metric-style narrow transition
 
Last modified date: 08/28/2023