Specifications

195
OSPF Config
ASBR Mode: The router is an Autono
mous System Boundary Router if it is
configured to redistribute routes from another protocol, or if it
is configured to originate an AS-
External LSA advertising the
default route.
ABR Status: The router is an Area Border Router if it has active non-virtua
l
interfaces in two or more OSPF areas.
Distance:
Specify OSPF route distance. When more than two protocols
have routes to the same destination, only the route which have
smallest distance will be inserted to IP routing table. The valid
value ranges from 0 to 255 and the default is 110.
RFC 1583
Compatibility:
Select the preference rules that will be used when choosing
among multiple AS-
external LSAs advertising the same
destination. If you select Enable, the preference rules will be
those defined by RFC
1583. Else the preference rules will be
those defined in RFC 2328, which will prevent routing loops
when AS-
external LSAs for the same destination have been
originated from different areas. All routers in the OSPF domain
must be configured the same. The default value is 'Enable'.
SPF Delay Time:
The number of seconds from when OSPF receives a topology
change to the start of the next SPF calculation. The valid value
ranges from 1 to 600 seconds and the default is 5.
SPF Hold Time: The minimum time in secon
ds between two consecutive SPF
calculations. The valid value ranges from 1 to 600 seconds
and the default is 5.
External LSA Count:
The number of AS-External LSAs in the link state database.
External LSA
Checksum:
The sum of the LS checksums of the AS-Ex
ternal LSAs
contained in the link-state database.
LSAs Originated:
This value represents the number of LSAs originated by this
router.
LSAs Received:
The number of LSAs received from other routers in OSPF
domain.
Default Metric: Set a default for the me
tric of redistributed routes. The valid
value ranges from 1 to 16777214 and the default is 20.
Maximum Paths:
Set the number of paths that OSPF can report for a given
destination. The valid value ranges from 1 to 32 and the
default is 5.
Auto Cost: Confi
gure the Auto Cost to control how OSPF calculates link
cost. When Enable selected, unless the link cost is manually
configured, the link cost is computed by dividing the reference
bandwidth by the interface bandwidth. When Disable selected,
the link cost s
hould be manually configured or use default
value. The default option is 'Enable'.
Reference
Bandwidth:
Specify the reference bandwidth in megabits per second. The
valid value ranges from 1 to 4294967 Mbps and the default is
1000Mbps.