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Conﬁguring gated

Conﬁguring the OSPF Protocol

Chapter 368

• A point-to-point network is a network that joins a single pair of

routers. An example of a point-to-point network is a 56-KB serial

line.

The following sections describe each type of interface.

Multicast Interfaces On multicast networks, an OSPF router

dynamically detects its neighbor routers through the OSPF Hello

message. The following statements are deﬁned for a multicast interface:

• retransmitinterval is the number of seconds between

retransmission of link states, database descriptions, and link state

request packets. This value must exceed the expected round-trip

delay between any two routers in the network. A sample value for a

LAN is 5 seconds.

Default: None (you must specify a value)

Range: Integer between 0 – 65535

• transitdelay is the number of seconds to transmit a Link State

Update Packet over this interface. This value must take into account

the transmission and propagation delays for the interface. It must be

greater than 0. A sample value for a LAN is 1 second.

Default: None (you must specify a value)

Range: Integer between 1 – 65535

• priority speciﬁes the priority of the router to be the designated

router. You must conﬁgure this value only for interfaces to

multi-access networks. This value speciﬁes the priority of the router

to be the designated router. When two routers attached to a network

attempt to be the designated router, the one with the higher router

priority value takes precedence.

Default: None (you must specify a value for multi-access networks)

Range: 8-bit unsigned integer between 0 – 255. 0 means that the

router is ineligible to become a designated router on the attached

network.

• hellointerval speciﬁes the time interval (in seconds) for the

transmission of OSPF Hello packets. Smaller intervals ensure that

changes in network topology are detected faster. A sample value for

an X.25 network is 30 seconds. A sample value for a LAN is 10

seconds.

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HP 11i Manual do Utilizador Página 68