IP I
NTERFACE
C
OMMANDS
36-44
Related Commands
show mac-address-table (28-4)
State The following states are used for dynamic entries:
• INCMP (Incomplete) - Address resolution is being carried out
on the entry. A neighbor solicitation message has been sent to
the multicast address of the target, but it has not yet returned a
neighbor advertisement message.
• REACH (Reachable) - Positive confirmation was received
within the last ReachableTime interval that the forward path to
the neighbor was functioning. While in REACH state, the
device takes no special action when sending packets.
• STALE - More than the ReachableTime interval has elapsed
since the last positive confirmation was received that the
forward path was functioning. While in STALE state, the
device takes no action until a packet is sent.
• DELAY - More than the ReachableTime interval has elapsed
since the last positive confirmation was received that the
forward path was functioning. A packet was sent within the last
DELAY_FIRST_PROBE_TIME interval. If no reachability
confirmation is received within this interval after entering the
DELAY state, the router will send a neighbor solicitation
message and change the state to PROBE.
• PROBE - A reachability confirmation is actively sought by
resending neighbor solicitation messages every RetransTimer
interval until confirmation of reachability is received.
• ???? - Unknown state.
The following states are used for static entries:
• INCMP (Incomplete)-The interface for this entry is down.
• REACH (Reachable) - The interface for this entry is up.
Reachability detection is not applied to static entries in the IPv6
neighbor discovery cache.
VLAN VLAN interface from which the address was reached.
Table 36-6 show ipv6 neighbors - display description
Field Description
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