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ProSafe M4100 and M7100 Managed Switches
Note: Some of the information below displays only if you enable OSPF
and configure certain features.
Term Definition
Router ID
A 32-bit integer in dotted decimal format identifying the router, about which information is
displayed. This is a configured value.
OSPF Admin
Mode
Shows whether the administrative mode of OSPF in the router is enabled or disabled.
This is a configured value.
ABR Status
Shows whether the router is an OSPF Area Border Router.
ASBR Status
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 learnt from other protocol. The possible values for the
ASBR status are enabled (if the router is configured to redistribute routes learned by
other protocols) or disabled (if the router is not configured for the same).
Stub Router
When OSPF runs out of resources to store the entire link state database, or any other
state information, OSPF goes into stub router mode. As a stub router, OSPF reoriginates
its own router LSAs, setting the cost of all nonstub interfaces to infinity. To restore OSPF
to normal operation, disable and reenable OSPF.
Exit Overflow
Interval
The number of seconds that, after entering overflow state, a router will attempt to leave
overflow state.
External LSDB
Overflow
When the number of non-default external LSAs exceeds the configured limit, External
LSDB Limit, OSPF goes into LSDB overflow state. In this state, OSPF withdraws all of its
self-originated non-default external LSAs. After the Exit Overflow Interval, OSPF leaves
the overflow state, if the number of external LSAs has been reduced.
External LSA
Count
The number of external (LS type 5) link-state advertisements in the link-state database.
External LSA
Checksum
The sum of the LS checksums of external link-state advertisements contained in the
link-state database.
New LSAs
Originated
The number of new link-state advertisements that have been originated.
LSAs Received
The number of link-state advertisements received determined to be new instantiations.
LSA Count
The total number of link state advertisements currently in the link state database.
Maximum
Number of
LSAs
The maximum number of LSAs that OSPF can store.
LSA High Water
Mark
The maximum size of the link state database since the system started.
Retransmit List
Entries
The total number of LSAs waiting to be acknowledged by all neighbors. An LSA might be
pending acknowledgment from more than one neighbor.