Dell Networking S6000 Uživatelský manuál stáhnout pdf (Strana 483)

100

101

max-lsp-lifetime seconds

– seconds: the range is from 1 to 65535.

The default is 1200 seconds.

Example of Viewing IS-IS Configuration (ROUTER ISIS Mode)

To view the configuration, use the show config command in ROUTER ISIS mode or the show

running-config isis

command in EXEC Privilege mode.

Dell#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

Dell#

Configuring the IS-IS Metric Style

All IS-IS links or interfaces are associated with a cost that is used in the shortest path first (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. Dell Networking OS supports five different metric styles: narrow, wide, transition, narrow

transition, and wide transition.

By default, Dell Networking OS generates and receives narrow metric values. Matrixes 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 you configure the metric as narrow, and a link state PDU

(LSP) with wide metrics is received, the route is not installed.

Dell Networking OS supports the following IS-IS metric styles.

Table 32. Metric Styles

Metric Style Characteristics Cost Range Supported on IS-IS

Interfaces

narrow Sends and accepts narrow or old

TLVs (Type, Length, Value).

0 to 63

wide Sends and accepts wide or new

TLVs.

0 to 16777215

transition Sends both wide (new) and

narrow (old) TLVs.

0 to 63

narrow transition Sends narrow (old) TLVs and

accepts both narrow (old) and

wide (new) TLVs.

0 to 63

wide transition Sends wide (new) TLVs and

accepts both narrow (old) and

wide (new) TLVs.

0 to 16777215

To change the IS-IS metric style of the IS-IS process, use the following command.

Intermediate System to Intermediate System

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