User Manual UMN:CLI
V5808
547
Configuration as above makes MTU consistently on same OSPF network; actual MTU
value on interface itself will not be changed.
On the other hands, if there are two routers which have different MTU, it can be
participated with OSPF network through the configuration that skips the verification of
MTU value when there is DD exchanging.
To configure the switch to skip the MTU verification in DD process, use the following
command.
Configures the switch to skip the MTU verification in
DD process.
ip ospf A.B.C.D mtu-ignore
To configure the switch not to skip the MTU verification in DD process, use the following
command.
Configures the switch not to skip the MTU verification
in DD process.
no ip ospf A.B.C.D mtu-ignore
11.2.4.8 OSPF Priority
Routers have each role to exchange the information on OSPF network. DR (Designated
Router) is one of essential role to get and transmit the route information in the same area.
The router having the highest priority becomes DR (Designated Router). If there are
routers which have same priority, the highest router ID will be DR.
Normally, router has priority 1, but it can be changed to make DR through the
configuration of priority.
To configure a priority of OSPF router, use the following command.
Configures a priority of OSPF router.
ip ospf A.B.C.D priority <0-255>
To delete a configured priority of OSPF router, use the following command.
Deletes a configured priority of OSPF router.
no ip ospf A.B.C.D priority
11.2.4.9 OSPF Network Type
There are 4 types of OSPF network. Broadcast network, NBMA (Non-broadcast-multiple-
access) network, Point-to-multipoint network and Point-to-point network.
User can configure OSPF network as a Broadcast network or Non-broadcast network
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