19 ipv6 ospf hello-interval, Ospf hello, Interval – PLANET XGS3-24042 User Manual

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Switch#config terminal

Switch(config)#ipv6 ospf display route single-line

36.19 ipv6 ospf hello-interval

Command:

ipv6 ospf hello-interval <time> [instance-id <id>]

no ipv6 ospf hello-interval [instance-id <id>]

Function:

Specify the hello-interval on the interface; the “no ipv6 ospf hello-interval [instance-id <id>]

restores the default value.

Parameter:

<id> is the interface instance ID, ranging between 0~255, defaulted at 0

<time > is the length of the adjacent layer 3 switch, in seconds, ranging between 1~65535

Default:

Default HELLO packet sending interval is 10 seconds.

Command Mode:

Interface Configuration Mode.

Usage Guide:

HELLO data packet is the most common packet which is periodically sent to adjacent layer 3 switch

to discover and maintain adjacent relationship, elect DR and BDR. The user set hello-interval

value will be written into the HELLO packet and transmitted. The less the hello-interval value is,

the sooner the network topological structure is discovered as well larger the cost. The ensure the

normal operation of OSPF protocol the hello-interval parameter between the layer 3 switches

adjacent to the interface must be in accordance. The command can configure on IPv6 tunnel

interface, but it is successful configuration to only configure tunnel carefully.

Example:

Switch#config terminal

Switch(config)#interface vlan 1

Switch(Config-if-Vlan1)#ipv6 ospf hello-interval 20

Relevant Commands:

ipv6 ospf dead-interval

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