Netgear GS728TP User Manual Page 268

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Routing
268
ProSafe M5300 Switch
Field Description
IPv6 Address The IPv6 address of the interface.
LSA Ack Interval The number of seconds between LSA Acknowledgment packet
transmissions, which must be less than the Retransmit Interval.
State The current state of the selected router interface. One of:
Down: This is the initial interface state. In this state, the lower-level
protocols have indicated that the interface is unusable. In this
state, interface parameters will be set to their initial values. All
interface timers will be disabled, and there will be no adjacencies
associated with the interface.
Loopback: In this state, the router's interface to the network is
looped back either in hardware or software. The interface is
unavailable for regular data traffic. However, it may still be
desirable to gain information on the quality of this interface, either
through sending ICMP pings to the interface or through something
like a bit error test. For this reason, IP packets may still be
addressed to an interface in Loopback state. To facilitate this, such
interfaces are advertised in router- LSAs as single host routes,
whose destination is the IP interface address.
Waiting: The router is trying to determine the identity of the
(Backup) Designated Router for the network by monitoring
received Hello Packets. The router is not allowed to elect a Backup
Designated Router or a Designated Router until it transitions out of
Waiting state. This prevents unnecessary changes of (Backup)
Designated Router.
Designated Router: This router is itself the Designated Router on
the attached network. Adjacencies are established to all other
routers attached to the network. The router must also originate a
network-LSA for the network node. The network- LSA will contain
links to all routers (including the Designated Router itself) attached
to the network.
Backup Designated Router: This router is itself the Backup
Designated Router on the attached network. It will be promoted to
Designated Router if the present Designated Router fails. The
router establishes adjacencies to all other routers attached to the
network. The Backup Designated Router performs slightly different
functions during the Flooding Procedure, as compared to the
Designated Router.
Other Designated Router: The interface is connected to a broadcast
or NBMA network on which other routers have been selected to be
the Designated Router and Backup Designated Router either. The
router attempts to form adjacencies to both the Designated Router
and the Backup Designated Router.
The State is only displayed if the OSPFv3 admin mode is enabled.
Designated Router The identity of the Designated Router for this network, in the view of the
advertising router. The Designated Router is identified here by its router
ID. The value 0.0.0.0 means that there is no Designated Router. This
field is only displayed if the OSPFv3 admin mode is enabled.
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