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LB9 User’s Guide 739/1523
7.3.2.45 ip ospf mtu-ignore
ip ospf mtu-ignore command disables OSPF maximum transmission unit (MTU) mismatch detection.
OSPF Database Description packets specify the size of the largest IP packet that can be sent without
fragmentation on the interface. When a router receives a Database Description packet, it examines the
MTU advertised by the neighbor. By default, if the MTU is larger than the router can accept, the
Database Description packet is rejected and the OSPF adjacency is not established. no ip ospf
mtu-ignore command enables the OSPF MTU mismatch detection.
Default Setting
Enabled
Command Mode
Interface Config
7.3.2.46 router-id
router-id command sets a 4-digit dotted-decimal number uniquely identifying the router ospf id. The
<ipaddress> is a configured value.
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