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19 ipv6 ospf hello-interval, Ospf hello, Interval – PLANET XGS3-24040 User Manual

Page 499: Ospf priority, 20 ipv6 ospf priority

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Example:

Switch # config terminal

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

34.19 ipv6 ospf hello-interval

Command: ipv6 ospf hello-interval [instance-id ]

no ipv6 ospf hello-interval [instance-id ]

Function: Specify the hello-interval on the interface; the “no ipv6 ospf hello-interval [instance-id

]” restores the default value.

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

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

34.20 ipv6 ospf priority

Command: ipv6 ospf priority [instance-id ]

no ipv6 ospf priority[instance-id ]

Function: Configure the priority when electing “Defined layer 3 switch” at the interface. The “no ipv6

ospf [<ip-address>] priority” command restores the default value.

Parameter: is the interface instance ID, ranging between 0~255, and defaulted at 0

is the priority of which the valid value ranges between 0~255.

Default: The default priority when electing DR is 1.

Command Mode: Interface Configuration Mode.

Usage Guide: When two layer 3 switches connected to the same segments both want to be the “Defined