Deployment Guide

ood-2328
Enable RFC-2328 ooding behavior.
Syntax
flood-2328
To disable, use the no flood-2328 command.
Defaults Disabled.
Command Modes ROUTER OSPF
Supported Modes Full—Switch
Command History
Version Description
9.9(0.0) Introduced on the FN IOM.
8.3.16.1 Introduced on the MXL 10/40GbE Switch IO Module.
Usage Information
In OSPF, ooding is the most resource-consuming task. The ooding algorithm, described in RFC-2328, requires
that OSPF ood LSAs (Link State Advertisements) on all interfaces, as governed by LSA’s ooding scope (see
Section 13 of the RFC). When multiple direct links connect two routers, the RFC-2328 ooding algorithm
generates signicant redundant information across all links.
By default, the system implements an enhanced ooding procedure that dynamically and intelligently determines
when to optimize ooding. Whenever possible, the OSPF task attempts to reduce ooding overhead by selectively
ooding on a subset of the interfaces between two routers.
When you enable flood-2328, this command congures the system to ood LSAs on all interfaces.
graceful-restart grace-period
Species the time duration, in seconds, that the router’s neighbors continue to advertise the router as fully adjacent regardless of the
synchronization state during a graceful restart.
Syntax
graceful-restart grace-period seconds
To disable the grace period, use the no graceful-restart grace-period command.
Parameters
seconds Time duration, in seconds, that species the duration of the restart process before OSPF
terminates the process. The range is from 40 to 1800 seconds.
Defaults Not Congured
Command Modes ROUTER OSPF
Supported Modes Full—Switch
Command History
Version Description
9.9(0.0) Introduced on the FN IOM.
8.3.16.1 Introduced on the MXL 10/40GbE Switch IO Module.
Open Shortest Path First (OSPFv2 and OSPFv3) 919