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Open Shortest Path First (OSPFv2 and OSPFv3) | 721
For configuration information on prefix lists, refer to IP Access Control Lists, Prefix Lists, and Route-maps
chapter in the
FTOS Configuration Guide.
Use the following commands in CONFIGURATION-ROUTER OSPF mode to apply prefix lists to
incoming or outgoing OSPF routes
Redistribute routes
You can add routes from other routing instances or protocols to the OSPF process. With the redistribute
command syntax, you can include RIP, static, or directly connected routes in the OSPF process.
Use the following command in CONFIGURATION- ROUTER-OSPF mode to redistribute routes:
seq sequence-number {deny |permit} ip-prefix
[ge min-prefix-length] [le max-prefix-length]
CONFIG- PREFIX
LIST
Create a prefix list with a sequence.
number and a deny or permit action. The
optional parameters are:
ge min-prefix-length: is the minimum
prefix length to be matched (0 to 32).
le max-prefix-length: is the maximum prefix
length to be matched (0 to 32).
Command Syntax Command Mode Usage
distribute-list prefix-list-name in [interface] CONFIG-ROUTER-
OSPF-id
Apply a configured prefix list to incoming
OSPF routes.
distribute-list prefix-list-name out [connected |
isis | rip | static]
CONFIG-ROUTER-
OSPF-id
Assign a configured prefix list to outgoing
OSPF routes.
Note: Do not route iBGP routes to OSPF unless there are route-maps associated with the OSPF
redistribution.
Command Syntax Command Mode Usage
redistribute {bgp | connected | isis |
rip | static} [metric metric-value |
metric-type type-value] [route-map
map-name] [tag tag-value]
CONFIG-ROUTER-
OSPF-id
Specify which routes will be redistributed into OSPF
process. Configure the following required and
optional parameters:
• bgp, connected, isis, rip, or static: enter one
of the keyword to redistribute those routes. rip is
supported only on E-Series.
• metric metric-value range: 0 to 4294967295.
• metric-type metric-type: 1 for OSPF external
route type 1 or 2 for OSPF external route type 2.
• route-map map-name: enter a name of a
configured route map.
• tag tag-value range: 0 to 4294967295.
Command Syntax Command Mode Usage