Dell S5000 FTOS 9.0(1.3) Configuration Guide for the Switch - Page 496
Command Example, Table 24-2., Metric Styles, Command Syntax, Command Mode, Purpose
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www.dell.com | support.dell.com Figure 24-6. Command Example: show running-config isis FTOS#show running-config isis ! router isis lsp-refresh-interval 902 net 47.0005.0001.000C.000A.4321.00 net 51.0005.0001.000C.000A.4321.00 FTOS# Configuring IS-IS metric style and cost All IS-IS links or interfaces are associated with a cost that is used in the SPF calculations. The possible cost varies depending on the metric style supported. If you configure narrow, transition or narrow transition metric style, the cost can be a number between 0 and 63. If you configure wide or wide transition metric style, the cost can be a number between 0 and 16,777,215. FTOS supports five different metric styles: narrow, wide, transition, narrow transition, and wide transition. By default, FTOS generates and receives narrow metric values. Metrics or costs higher than 63 are not supported. To accept or generate routes with a higher metric, you must change the metric style of the IS-IS process. For example, if metric is configured as narrow, and an LSP with wide metrics is received, the route is not installed. FTOS supports the following IS-IS metric styles: Table 24-2. Metric Styles Metric Style narrow wide transition narrow transition wide transition Characteristics Cost Range Supported on IS-IS Interfaces Sends and accepts narrow or old TLVs (Type Length Value). 0 to 63 Sends and accepts wide or new TLVs 0 to 16777215 Sends both wide (new) and narrow (old) TLVs. 0 to 63 Sends narrow (old) TLVs and accepts both narrow 0 to 63 (old) and wide (new) TLVs Sends wide (new) TLVs and accepts both narrow 0 to 16777215 (old) and wide (new) TLVs. Use the following command in ROUTER ISIS mode to change the IS-IS metric style of the IS-IS process. Command Syntax metric-style {narrow [transition] | transition | wide [transition]} [level-1 | level-2] Command Mode Purpose ROUTER ISIS Set the metric style for the IS-IS process. Default: narrow Default: Level 1 and Level 2 (level-1-2) Use the show isis protocol command (Figure 476) in EXEC Privilege mode to view which metric types are generated and received. 496 | Intermediate System to Intermediate System
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