Administrator Guide

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.
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
9.7(0.0) Introduced on the S6000-ON.
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.
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.
Parameters
default-metric Metric assigned to the link and used to calculate the cost from each other router
via the links in the network to other destinations. You can configure this metric for
Level 1 or Level 2 routing. The range is from 0 to 16777215. The default is 10.
level-1 (OPTIONAL) Enter the keywords level-1 to configure the shortest path first
(SPF) calculation for Level 1 (intra-area) routing. This value is the default.
level-2 (OPTIONAL) Enter the keywords level-2 to configure the SPF calculation for
Level 2 (inter-area) routing.
Defaults default-metric = 10; level-1 (if not otherwise specified)
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.
688 Intermediate System to Intermediate System (IS-IS)