Dell Force10 S4810P, Reference Manual

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Usage
Information
Hello packets are held for a length of three times the value of the hello interval. Use a high
hello interval seconds to conserve bandwidth and CPU usage. Use a low hello interval seconds
for faster convergence (but uses more bandwidth and CPU resources).
Related
Commands isis hello-multiplier – specifies the number of IS-IS hello packets a neighbor must miss before
the router declares the adjacency as down.
isis hello-multiplier
Specify the number of IS-IS hello packets a neighbor must miss before the router declares the adjacency down.
E-Series, S4810
Syntax isis hello-multiplier multiplier [level-1 | level-2]
To return to the default values, use the
no isis hello-multiplier [ multiplier ]
[level-1 | level-2]
command.
Parameters
multiplier Specifies an integer that sets the multiplier for the hello holding time.
Never configure a hello-multiplier lower than the default (3). The
range is 3 to 1000. The default is 3.
level-1 (OPTIONAL) Select this value to configure the hello multiplier
independently for Level 1 adjacencies. This value is the default.
level-2 (OPTONAL) Select this value to configure the hello multiplier
independently for Level 2 adjacencies.
Defaults multiplier = 3; level-1 (if not otherwise specified)
Command Modes INTERFACE
Command History
Version 8.3.12.0 Introduced on the S4810.
Usage
Information
The holdtime (the product of the hello-multiplier multiplied by the hello-interval) determines
how long a neighbor waits for a hello packet before declaring the neighbor is down so routes
can be recalculated.
Related
Commands isis hello-interval – specifies the length of time between hello packets.
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