To change OSPFv2 parameters on the interfaces, use any or all of the following commands in
CONFIGURATION INTERFACE mode.
Command Syntax
ip ospf cost
ip ospf dead-interval seconds
ip ospf hello-interval seconds
ip ospf message-digest-key keyid md5
key
ip ospf priority number
ip ospf retransmit-interval seconds
ip ospf transmit-delay seconds
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Open Shortest Path First (OSPFv2)
Command Mode
CONFIG-INTERFACE
CONFIG-INTERFACE
The dead interval must be four times the hello interval.
The dead interval must be the same on all routers in the OSPF network.
CONFIG-INTERFACE
The hello interval must be the same on all routers in the OSPF network.
CONFIG-INTERFACE
Be sure to write down or otherwise record the Key. You cannot learn the key
once it is configured.
You must be careful when changing this key.
CONFIG-INTERFACE
CONFIG-INTERFACE
The retransmit interval must be the same on all routers in the OSPF network.
CONFIG-INTERFACE
The transmit delay must be the same on all routers in the OSPF network.
Usage
Change the cost associated with OSPF traffic on
the interface.
Cost: 1 to 65535 (default depends on the
interface speed).
Change the time interval the router waits before
declaring a neighbor dead. Configure Seconds
range: 1 to 65535 (default is 40 seconds).
Change the time interval between the
hello-packet transmission.
Seconds range: from 1 to 65535 (default is 10
seconds).
Use the MD5 algorithm to produce a message
digest or key, which is sent instead of the key.
Keyid range: 1 to 255
Key: a character string
Change the priority of the interface, which is
used to determine the designated router for the
OSPF broadcast network.
Number range: 0 to 255 (the default is 1).
Change the retransmission interval between the
LSAs.
Seconds range: from 1 to 65535 (default is 5
seconds).
Change the wait period between the link state
update packets sent out the interface. Seconds
range: from 1 to 65535 (default is 1 second).