DELL S50V User Manual

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Intermediate System to Intermediate System

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Change LSP attributes

IS-IS routers flood Link state PDUs (LSPs) to exchange routing information. LSP attributes include the 
generation interval, maximum transmission unit (MTU) or size, and the refresh interval. You can modify 
the LSP attribute defaults, but it is not necessary.

To change the defaults, use any or all of the following commands in ROUTER ISIS mode: 

To view the configuration, use the 

 command in ROUTER ISIS mode or the 

 command in EXEC Privilege mode 

(Figure 475)

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ROUTER ISIS

Set interval between LSP generation.

•

 range: 0 to 120

Default is 5 seconds. 
Default level is Level 1.

 

ROUTER ISIS

Set the LSP size.

•

 range: 128 to 9195.

Default is 1497.

 

ROUTER ISIS

Set the LSP refresh interval.

•

 range: 1 to 65535.

Default is 900 seconds.

 

ROUTER ISIS

Set the maximum time LSPs lifetime.

•

 range: 1 to 65535

Default is 1200 seconds.

show isis interface G1/34

GigabitEthernet 2/10 is up, line protocol is up

  MTU 1497, Encapsulation SAP

  Routing Protocol: IS-IS

    Circuit Type: Level-1-2

    Interface Index 0x62cc03a, Local circuit ID 1

    Level-1 Metric: 10, Priority: 64, Circuit ID: 0000.0000.000B.01

            Hello Interval: 10, Hello Multiplier: 3, CSNP Interval: 10

    Number of active level-1 adjacencies: 1

    Level-2 Metric: 10, Priority: 64, Circuit ID: 0000.0000.000B.01

            Hello Interval: 10, Hello Multiplier: 3, CSNP Interval: 10

    Number of active level-2 adjacencies: 1

    Next IS-IS LAN Level-1 Hello in 4 seconds

    Next IS-IS LAN Level-2 Hello in 6 seconds

    LSP Interval: 33    Next IS-IS LAN Level-1 Hello in 4 seconds

    Next IS-IS LAN Level-2 Hello in 6 seconds

    LSP Interval: 33

Restart Capable Neighbors: 2, In Start: 0, In Restart: 0

FTOS#