Black Box LGB6026A, Management Manual

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C
HAPTER
47 | IP Routing Commands
Open Shortest Path First (OSPFv3)
R
ELATED
C
OMMANDS
redistribute (1185)
redistribute
This command redistributes external routing information from other
routing protocols and static routes into an autonomous system. Use the
no
form to disable this feature or to restore the default settings.
S
YNTAX
redistribute { connected | static } [ metric metric-value ] [ metric-
type type-value ]
no redistribute { connected | rip | static } [ metric ] [ metric-type ]
connected - Imports all currently connected entries.
static - IPv6 static routes will be imported into this Autonomous
System.
metric-value - Metric assigned to all external routes for the
specified protocol. (Range: 0-16777214: Default: 20)
type-value
1 - Type 1 external route
2 - Type 2 external route (default) - Routers do not add internal
route metric to external route metric.
C
OMMAND
M
ODE
Router Configuration
D
EFAULT
S
ETTING
redistribution - none
metric-value - 20
type-metric - 2
C
OMMAND
U
SAGE
◆
This command is used to import routes learned from other routing
protocols into the OSPF domain, and to generate AS-external-LSAs.
◆
When you redistribute external routes into an OSPF autonomous
system (AS), the router automatically becomes an autonomous system
boundary router (ASBR).
◆
Metric type specifies the way to advertise routes to destinations outside
the AS through External LSAs. When a Type 1 LSA is received by a
router, it adds the internal cost to the external route metric. In other
words, the cost of the route from any router within the AS is equal to
the cost associated with reaching the advertising ASBR, plus the cost of
the external route. When a Type 2 LSA is received by a router, it only
uses the external route metric to determine route cost.