Brocade Communications Systems Brocate Ethernet Access Switch 6910 - Manual (Page 1075)

Brocade 6910 Ethernet Access Switch Configuration Guide 1025
53-1002581-01
Setting the Switch’s IP Address (IP Version 6)
43
Showing the IPv6 Neighbor Cache
Use the IP > IPv6 Configuration (Show IPv6 Neighbor Cache) page to display the IPv6 addresses
detected for neighbor devices.
CLI References
• “show ipv6 neighbors” on page 621
Parameters
These parameters are displayed:
TABLE 180 Show IPv6 Neighbors - display description
Field Description
IPv6 Address IPv6 address of neighbor
Age The time since the address was verified as reachable (in seconds).
Link-layer Addr Physical layer MAC address.
State The following states are used for dynamic entries:
•
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.
•
Invalid - An invalidated mapping. Setting the state to invalid dis-associates the interface
identified with this entry from the indicated mapping (RFC 4293).
•
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 switch 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 - Unknown state.
State (continued) The following states are used for static entries:
•
Incomplete -The interface for this entry is down.
•
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.