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IP Routing Commands
4-283
4
Default Setting
1
Command Usage
• Set the priority to zero to prevent a router from being elected as a DR or BDR.
If set to any value other than zero, the router with the highest priority will
become the DR and the router with the next highest priority becomes the
BDR. If two or more routers are tied with the same highest priority, the router
with the higher ID will be elected.
• If a DR already exists for an area when this interface comes up, the new router
will accept the current DR regardless of its own priority. The DR will not
change until the next time the election process is initiated.
Example
ip ospf retransmit-interval
This command specifies the time between resending link-state advertisements
(LSAs). Use the no form to restore the default value.
Syntax
ip ospf retransmit-interval seconds
no ip ospf retransmit-interval
seconds - Sets the interval at which LSAs are retransmitted from this
interface. (Range: 1-65535)
Command Mode
Interface Configuration (VLAN)
Default Setting
5 seconds
Command Usage
A router will resend an LSA to a neighbor if it receives no acknowledgment.
The retransmit interval should be set to a conservative value that provides an
adequate flow of routing information, but does not produce unnecessary
protocol traffic. Note that this value should be larger for virtual links.
Example
Console(config)#interface vlan 1
Console(config-if)#ip ospf priority 5
Console(config-if)#
Console(config)#interface vlan 1
Console(config-if)#ip ospf retransmit-interval 7
Console(config-if)#