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Cisco ASA Series CLI Configuration Guide
Chapter 1 Configuring OSPF
Configuring OSPFv3
Calculating Summary Route Costs
To calculate summary route costs according to RFC 1583, enter the following command:
Generating a Default External Route into an OSPFv3 Routing Domain
To generate a default route into an OSPFv3 routing domain, perform the following steps:
Detailed Steps
Command Purpose
compatible rfc1583
Example:
hostname (config-rtr)# compatible rfc1583
Restores the methods that are used to calculate summary route
costs according to RFC 1583.
Command Purpose
Step 1
ipv6 router ospf process-id
Example:
hostname(config-if)# ipv6 router ospf 1
Enables an OSPFv3 routing process and enters IPv6 router
configuration mode.
The process-id argument is an internally used identifier for this
routing process, is locally assigned, and can be any positive
integer from 1 to 65535. This ID does not have to match the ID on
any other device; it is for internal administrative use only. You can
use a maximum of two processes.
Step 2
default-information originate [always]
metric metric-value [metric-type
type-value] [route-map map-name]
Example:
hostname(config-rtr)# default-information
originate always metric 3 metric-type 2
Generates a default external route into an OSPFv3 routing
domain.
The always keyword advertises the default route whether or not
the default route exists. The metric metric-value
keyword-argument pair specifies the metric used for generating
the default route. If you do not specify a value using the
default-metric command, the default value is 10. Valid metric
values range from 0 to 16777214. The metric-type type-value
keyword-argument pair specifies the external link type that is
associated with the default route that is advertised into the
OSPFv3 routing domain. Valid values can be one of the
following:
• 1—Type 1 external route
• 2—Type 2 external route
The default is the type 2 external route. The route-map
map-name keyword-argument pair specifies the routing process
that generates the default route if the route map is satisfied.
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