4-43
<Sysname> system-view
System View: return to User View with Ctrl+Z.
[Sysname] interface Vlan-interface 20
[Sysname-Vlan-interface20] ospf timer poll 130
ospf timer retransmit
Syntax
ospf timer retransmit interval
undo ospf timer retransmit
View
Interface view
Parameters
interval: Interval, in seconds, for retransmitting LSA on an interface. It ranges from 1 to 3600.
Description
Use the ospf timer retransmit command to configure the interval for retransmitting an LSA on an
interface.
Use the undo ospf timer retransmit command to restore the default.
By default, the interval for retransmitting an LSA is 5 seconds.
If a router running OSPF transmits a link state advertisement (LSA) to the peer, it needs to wait for the
acknowledgement packet from the peer. If no acknowledgement is received from the peer within the
LSA retransmission interval, this LSA will be retransmitted.
The LSA retransmit between adjacent routers should not be set too short; otherwise, unexpected
retransmission will occur (See RFC2328).
Examples
# Set the interval for retransmitting LSA between the interface VLAN-interface 10 and the adjacent
routers to 12 seconds.
<Sysname> system-view
System View: return to User View with Ctrl+Z.
[Sysname] interface Vlan-interface 10
[Sysname-Vlan-interface10] ospf timer retransmit 12
ospf trans-delay
Syntax
ospf trans-delay seconds
undo ospf trans-delay
View
Interface view
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