User Manual

M4300 Intelligent Edge Series Fully Managed Stackable Switches
Configure OSPF and OSPFv3 User Manual394
9. Use the Default Metric field to set a default for the metric of redistributed routes.
This field displays the default metric if one was already set, or blank if one was not
configured earlier
. The valid values are 1 to 16777214. The default is 0 (unconfigured).
10. Use the Maximum Paths field to configure the maximum number of paths that OSPFv3 can
report to a given destination.
The valid values are 1 to 4.
11. Configure the AutoCost Reference Bandwidth to control how OSPF calculates default
metrics for the interface.
The valid values are 1 to 4294967. The default is 100.
12. In the Default Passive Setting, select the Enable or Disable option to configure the global
passive mode setting for all OSPF interfaces.
Configuring this field overwrites any present interface-level passive mode setting. OSPF
does not form adjacencies on passive interfaces, but does advertise attached networks
as stub networks.
13. Use Helper Support Mode to configure how the unit acts when a neighbor performs a
warm restart.
The possible values are as follows:
• Planned. OSPF helps a restarting neighbor only during planned events.
• Always. OSPF helps a restarting neighbor during all planned and unplanned warm
restart events.
• Disabled. OSPF does not act as a helpful neighbor
.
14. Configure Helper Strict LSA Checking by selecting the Enable or Disable option.
When enabled, the unit exits helper mode whenever the topology changes.
15. Click the Apply button.
Your settings are saved.
The following table describes the nonconfigurable information that is displayed.
Table 141. Advanced OSPFv3 Configuration
Field Description
ASBR Mode Reflects whether the ASBR mode is enabled or disabled. Enable implies
that the router is an autonomous system border router
. Router
automatically becomes an ASBR when it is configured to redistribute
routes learned from other protocol.
ABR Status The values of this are Enabled or Disabled. Enabled implies that the
router is an area border router
. Disabled implies that it is not an area
border router.
External LSA Count The number of external (LS type 5) link state advertisements (LSAs) in
the link state database.