Netgear GS728TP – 28PT GE POE SMART SWITCH Administrator's Guide

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Configuring System Information 
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 GS752TP, GS728TP, and GS728TPP Gigabit Smart Switches
IPv6 Network Neighbors
To view the IPv6 Network Interface Neighbors:
Select System 
 Management 
 IPv6 Network Neighbors
The following screen displays:
Properties of each neighbor are displayed, as described below:
IPv6 Address. Specifies the IPv6 address of the neighbor interface.
MAC Address. Specifies the MAC address associated with the neighbor interface.
IsRtr. Indicates whether the neighbor is a router. If the neighbor is a router, the value is 
True. If the neighbor is not a router, the value is False.
Neighbor State. Specifies the state of the neighbor cache entry. The following are the 
states for dynamic entries in the IPv6 neighbor discovery cache:
Reach. No more than ReachableTime milliseconds have elapsed since confirmation 
was received that the forward path to the neighbor was functioning properly. When in 
REACH state, the device takes no special action as packets are sent.
Stale. More than ReachableTime milliseconds have elapsed since a confirmation was 
last received that the forward path was functioning properly. While in STALE state, 
the device takes no action until a packet is sent.
Delay. More than ReachableTime milliseconds have elapsed since a confirmation 
was last received that the forward path was functioning properly. A packet was sent 
within the last DELAY_FIRST_PROBE_TIME seconds. If no confirmation is received 
within DELAY_FIRST_PROBE_TIME seconds of entering the DELAY state, the 
device sends a neighbor solicitation message and changes the state to PROBE.
Probe. A confirmation is actively sought by repeatedly sending neighbor solicitation 
messages every RetransTimer milliseconds until a confirmation is received.
Last Updated. Elapsed time since the address was last confirmed as reachable.