Administrator Guide

Version Description
8.3.19.0 Introduced on the S4820T.
8.3.12.0 Introduced on the S4810.
8.3.11.1 Introduced on the Z9000.
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.
isis hello padding
Turn ON or OFF padding of hello PDUs from INTERFACE mode.
C9000 Series
Syntax
isis hello padding
To return to the default, use the no isis hello padding command.
Defaults Padding of hello PDUs is enabled (ON).
Command Modes INTERFACE
Command History
This guide is platform-specific. For command information about other platforms, refer to the relevant Dell
Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version Description
9.9(0.0) Introduced on the C9010.
9.5(0.1) Introduced on the Z9500.
9.0.2.0 Introduced on the S6000.
8.3.19.0 Introduced on the S4820T.
8.3.12.0 Introduced on the S4810.
8.3.11.1 Introduced on the Z9000.
Usage Information
Hello PDUs are “padded” only when both the global and interface padding options are ON. Turning either one OFF
disables padding for the corresponding interface.
Related
Commands
hello padding — turns ON or OFF padding for LAN and point-to-point hello PDUs.
isis ipv6 metric
Assign metric to an interface for use with IPv6 information.
C9000 Series
Syntax
isis ipv6 metric default-metric [level-1 | level-2]
To return to the default values, use the no ipv6 isis metric [default-metric] [level-1 |
level-2] command.
802 Intermediate System to Intermediate System (IS-IS)