147
is 10 seconds
<retransmit-interval>:
The time interval before a router retransmitting a group message,
default is 5 seconds
<transmit-delay>:
The time delay before a router sending a group messages, 1 second by
default
Default:
No default configuration.
Command Mode:
OSPFv3 protocol mode
Usage Guide:
In the OSPF all non-backbone areas will be connected to a backbone area. If the
connection to the backbone area is lost, virtual link will repair this connection. You can configure
virtual link between any two backbone areas routers connected with the public non-backbone
area. The protocol treat routers connected by virtual links as a point-to-point network
Example:
Switch#config terminal
Switch(config) #router ipv6 ospf
Switch(config-router) #area 1 virtual-link 10.10.11.50 hello 5 dead 20
Switch(config-router) #area 1 virtual-link 10.10.11.50 instance-id 1
1.7.3.5 abr-type
Command: abr-type {cisco|ibm| standard}
no abr-type [cisco|ibm| standard]
Function:
Configure an OSPF ABR type with this command. The “
no abr-type [cisco|ibm|
standard]
” command restores the default.
Parameter: cisco
, realize by cisco ABR;
ibm
, realize by ibm ABR;
shortcut
, specify a
shortcut-ABR;
standard
, realize with standard
（
RFC2328
）
ABR.
Default:
Cisco configured by default
Command Mode:
OSPFv3 protocol mode
Usage Guide:
For Specifying the realizing type of abr. This command is good for interactive
operation among different OSPF realizing method and is especially useful in the multiple host
environment.
Example:
Configure abr as standard
Switch#config terminal
Switch(config)#router ipv6 ospf
Switch(config-router)#abr-type standard
1.7.3.6 default-metric
Command: default-metric <value>
no default-metric
Function:
The command set the default metric value of OSPF routing protocol; the “
no