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DES-7200 Configuration Guide Chapter 4 OSPF
Configuration
4-6
the interface. These parameters are set via the ip ospf hello-interval, ip ospf
dead-interval, ip ospf authentication, ip ospf authentication-key and ip ospf
message-digest-key. When you use these commands, you should make sure
that the adjacent routers have the same configuration.
To configure the OSPF interface parameters, execute the following commands in
the interface configuration mode:
Command Meaning
DES-7200 # configure terminal
Enter the global configuration mode.
DES-7200 (config)# ip routing
Enable the IP routing (if disabled).
DES-7200 (config)# interface
interface-id
Enter the interface configuration mode.
DES-7200 (config-if)# ip ospf cost
cost-value
(Optional) Define the interface cost.
DES-7200(config-if)# ip ospf
retransmit-interval seconds
(Optional) Set the link status retransmission
interval.
DES-7200 (config-if)# ip ospf
transmit-delay seconds
(Optional) Set the transmit delay for the link
status update packets.
DES-7200 (config-if)# ip ospf
hello-interval seconds
(Optional) Set the hello message send
interval, which must be the same for all the
nodes of the entire network.
DES-7200 (config-if)# ip ospf
dead-interval seconds
(Optional) Set the dead interval for the
adjacent router, which must be the same for
all the nodes of the entire network.
DES-7200 (config-if)# ip ospf priority
number
(Optional) The priority is used to select the
dispatched routers (DR) and backup
dispatched routers (BDR).
DES-7200 (config-if)# ip ospf
authentication [message-digest |
null]
(Optional) Set the authentication type on the
network interface.
DES-7200 (config-if)# ip ospf
authentication-key key
(Optional) Configure the key for text
authentication of the interface.
DES-7200 (config-if)#ip ospf
message-digest-key keyid md5 key
(Optional) Configure the key for MD5
authentication of the interface.
DES-7200 (config-if)#ip ospf
database-filter all out
(Optional) Prevent the interfaces from
flooding the LSAs packets. By default, OSPF
floods new LSAs over all interfaces in the
same area, except the interface on which the
LSA arrives.