OSPFv3 Commands 955
console(config)#interface vlan 15
console(config-if-vlan15)#ipv6 ospf dead-interval 100
ipv6 ospf hello-interval
Use the ipv6 ospf hello-interval command in Interface Configuration mode 
to set the OSPF hello interval for the specified interface.
Syntax
ipv6 ospf hello-interval 
seconds
no ipv6 ospf hello-interval
•
seconds
 — A valid positive integer which represents the length of time of 
the OSPF hello interval. The value must be the same for all routers 
attached to a network. (Range: 1-65535 seconds)
Default Configuration
10 seconds is the default value of 
seconds
.
Command Mode
Interface Configuration (VLAN, Tunnel, Loopback) mode.
User Guidelines
This command has no user guidelines.
Example
The following example sets the OSPF hello interval at 15 seconds.
console(config)#interface vlan 15
console(config-if-vlan15)#ipv6 ospf hello-interval 15
ipv6 ospf mtu-ignore
Use the ipv6 ospf mtu-ignore command in Interface Configuration mode to 
disable 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