Layer 3 Routing Commands 1663
Default Configuration
Interfaces operate in broadcast mode by default.
Command Mode
Interface Configuration (VLAN) mode.
User Guidelines
OSPF treats interfaces as broadcast interfaces by default. Loopback interfaces
have a special loopback network type, which cannot be changed. When there
are only two routers on the network, OSPF can operate more efficiently by
treating the network as a point-to-point network. For point-to-point
networks, OSPF does not elect a designated router or generate a network link
state advertisement (LSA). Both endpoints of the link must be configured to
operate in point-to-point mode.
Example
The following example shows the options for the ip ospf network command.
console(config-if-vlan1)#ip ospf network ?
broadcast Set the OSPF network type to Broadcast
point-to-point Set the OSPF network type to Point-to-Point
ip ospf priority
Use the ip ospf priority command in Interface Configuration mode to set the
OSPF priority for the specified router interface. Use the no form of the
command to return the priority to the default value.
Syntax
ip ospf priority number-value
no ip ospf priority
•
number-value
— Specifies the OSPF priority for the specified router
interface. (Range: 0–255)
Default Configuration
1 is the default integer value.
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