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systems to which it may be attached. If a router is enabled as an ASBR,
then every other router in the autonomous system can learn about
external routes from this device. (Default: Disabled)
• Rfc1583 Compatible – If one or more routers in a routing domain are
using OSPF Version 1, this router should use RFC 1583 (OSPFv1)
compatibility mode to ensure that all routers are using the same RFC
for calculating summary route costs. Enable this field to force the
router to calculate summary route costs using RFC 1583. (Default:
Disabled)
• Auto Cost (Mbps)
1
– This is the reference bandwidth used to
calculate the default cost metric for each interface. To change the cost
metric for any interface, use the OSP / Interface Configuration screen.
(Default: 100)
• SPF Hold Time (seconds) – The hold time between making two
consecutive shortest path first (SPF) calculations. (Range: 0-65535;
Default: 10)
• Area Numbers
1
– The number of OSPF areas configured on this
router.
Default Route Information –
• Originate Default Route
2
– Generates a default external route into
an autonomous system. Note that the AS Boundary Router field
must be enabled, and the Advertise Default Route field properly
configured. (Default: Disabled)
• Advertise Default Route
2
– The router can advertise a default
external route into the autonomous system (AS). (Options:
NotAlways, Always; Default: NotAlways)
• Always – The router will advertise itself as a default external route
for the AS, even if a default external route does not actually exist.
• NotAlways – It can only advertise a default external route into
the AS if it has been configured to import external routes via RIP