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15
Monitoring
Router ID
The VPN Concentrator OSPF router ID. This ID uniquely identifies the VPN Concentrator to other
OSPF routers in its domain. While the format is that of an IP address, it functions only as an identifier
and not an address. By convention, however, this identifier is the same as the IP address of the interface
that is connected to the OSPF router network. 0.0.0.0 means no router is configured.
Version
The current version number of the OSPF protocol running on the VPN Concentrator.
External LSA Count
The number of external Link-State Advertisements (LSAs) in the link-state database. LSAs from
neighboring OSPF Autonomous Systems (AS) describe the state of the AS router's interfaces and
routing paths.
External LSA Checksum
The sum of the checksums of the external Link-State Advertisements in the link-state database. You can
use this sum to determine if there has been a change in the system's OSPF router link-state database, and
to compare its database with other routers.
LSAs Originated
The number of new Link-State Advertisements that the system has originated. This number is
incremented each time the OSPF router originates a new LSA.
New LSAs Received
The number of Link-State Advertisements received that are completely new LSAs. This number does
not include newer instances of self-originated LSAs.
LSA Database Limit
The maximum number of external LSAs that can be stored in the link-state database. A value of -1
means there is no limit.
Designated Routers
This table shows a row of statistics for each enabled VPN Concentrator interface. When OSPF routing
is enabled on an interface, that interface communicates with other OSPF routers in its area, and each area
elects one OSPF router to be the Designated Router.
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VPN 3000 Concentrator Series User Guide
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