User Manual

Configure System Information
52
S3300 Smart Managed Pro Switch
IPv6 Network Neighbor
Use the IPv6 Network Neighbor screen to view information about the IPv6 neighbors the
device has discovered through the network interface by using the Neighbor Discovery
Protocol (NDP).
 To display the IPv6 Network Neighbor screen:
Select Sy
stem > Management > IPv6 Network Neighbor.
Figure 30. IPv6 Network Neighbor
Table 13 describes the information the IPv6 Network Neighbor screen displays about each
IPv6 neighbor that the switch has discovered.
Table 13. IPv6 neighbor table fields
Field Description
IPv6 Address The IPv6 address of the neighbor.
MAC Address The MAC address associated with an 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 The state of the neighbor cache entry. The following are the states for dynamic
entries in the IPv6 neighbor discovery cache:
• Rea
ch. The neighbor is reachable through the network interface.
• S
tale. The neighbor is not known to be reachable, and the switch will begin
the process to reach the neighbor.
• Del
ay. The neighbor is not known to be reachable, and upper-layer
protocols are attempting to provide reachability information.
• Probe
. The neighbor is not known to be reachable, and the device is
attempting to probe for this neighbor.
• Unkn
own. The reachability status cannot be determined.
Last Updated The amount of time that has passed since the neighbor entry was last updated.