Command Line Reference Guide

794 | Intermediate System to Intermediate System (IS-IS)
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Parameters
Command Modes
EXEC Privilege
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.
interface
(OPTIONAL) Identifies the interface type slot/port as one of the following:
• For a 1-Gigabit Ethernet interface, enter the keyword
GigabitEthernet followed by the
slot/port information.
• For a Port Channel interface, enter the keyword
port-channel followed by a number:
C-Series and S-Series Range: 1-128
E-Series Range: 1 to 255 for TeraScale and 1 to 512 for ExaScale.
• For a SONET interface, enter the keyword
sonet followed by the slot/port information.
• For a 10-Gigabit Ethernet interface, enter the keyword
TenGigabitEthernet followed by
the slot/port information.
• For a VLAN, enter the keyword
vlan followed by a number from 1 to 4094.
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 7.5.1.0 Introduced IPv6 ISIS support
Version 6.3.1.0 Introduced