Cisco 2650 - 2650 Router Bedienungsanleitung PDF herunterladen (Seite 12)

ip ospf transmit-delay seconds Set the estimated number of seconds it

takes to transmit a link state update packet

on an OSPF interface.

ip ospf priority number Set router priority to help determine the

OSPF designated router for a network.

ip ospf hello-interval seconds Specify the length of time, in seconds,

between the hello packets that a router

sends on an OSPF interface.

ip ospf dead-interval seconds Set the number of seconds that a router’s

hello packets must not have been seen

before its neighbors declare the OSPF

router down.

ip ospf authentication-key password Assign a specific password to be used by

neighboring OSPF routers on a network

segment that is using OSPF’s simple

password authentication.

2.2.5 Configure OSPF authentication

Cisco router supports message-digest hashing algorithm to guarantee the integrity of

OSPF packets and authenticate between the routers. The key is set on interface by the

following command

Router(config-if)#ip ospf message-digest-key key-id md5

encryption-type key

The key-id is an identifier and takes the value in the range of 1 through 255.The

encryption type field refers to the type of encryption, where 0 means none and 7 means

proprietary. The key is an alphanumeric password up to sixteen characters. Neighbor

routers must use the same key identifier with the same key value.

After the key is configured, authentication must be enabled in global configuration

mode

Router(config)#router ospf process-id

Router(config-router)#area area-id authentication message-

digest

2.2.6 No Form

To turn off any feature of OSPF routing, for example to turn off network 10.12.0.4

255.255.255.252 area 0, give the next command:

Router(config-router)#no network 10.12.0.4 255.255.255.252

area 0

To turn off RIP, use the no router rip command:

Router(config)#no router ospf process-id

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Cisco 2650 - 2650 Router Bedienungsanleitung Seite 12