Reference Guide
910 | Intermediate System to Intermediate System (IS-IS)
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default-information originate
e 
Generate a default route into an IS-IS routing domain and controls the distribution of default 
information.
Syntax
default-information originate [always] [metric metric] [route-map map-name]
To disable the generation of a default route into the specified IS-IS routing domain, enter the no 
default-information originate [always] [metric metric] [route-map map-name] command.
Parameters
Defaults
Not configured.
Command Modes
ROUTER ISIS (for IPv4)
CONFIGURATION-ROUTER-ISIS-ADDRESS-FAMILY-IPV6 (for IPv6)
Command
History
Usage
Information
When you use this command to redistribute routes into a routing domain, the router becomes an 
autonomous system (AS) boundary router. An AS boundary router does not always generate a default 
route into a routing domain. The router still requires its own default route before it can generate one.
How a metric value assigned to a default route is advertised depends on how on the configuration of 
the metric-style command. If the metric-style is set for narrow mode and the metric value in the 
default-information originate command is set to a number higher than 63, the metric value advertised 
in LSPs will be 63. If the metric-style is set for wide mode, their the metric value in the 
default-information originate command is advertised.
Related
Commands
always (OPTIONAL) Enter the keyword always to have the default route always 
advertised
metric metric (OPTIONAL) Enter the keyword metric followed by a number to assign to the 
route.
Range: 0 to 16777215
route-map 
map-name
(OPTIONAL) A default route will be generated by the routing process if the route 
map is satisfied.
Version 8.3.19.0 Introduced on S4820T
Version 8.3.12.0 Introduced on S4810
Version 7.5.1.0 Introduced IPv6 ISIS support
Version 6.3.1.0 Introduced
redistribute Redistribute routes from one routing domain to another routing domain.
isis metric Configure a metric for an interface
metric-style Set the metric style for the router.
show isis database Display the IS-IS link state database.










