View the neighbor cache to discover information about neighbors in your network. Neighbor cache in IPv6 is similar to the IPv4 Address Resolution Protocol (ARP) table. The neighbor cache is a set of entries for individual neighbors to which traffic was sent recently. You make entries on the neighbor on-link unicast IP address, including information such as the link-layer address. A neighbor cache entry contains information used by the Neighbor Unreachability Detection algorithm, including the reachability state, the number of unanswered probes, and the time the next Neighbor Unreachability Detection event is scheduled.
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Step | Action |
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1 |
From the navigation tree, double-click IPv6. |
2 |
In the IPv6 tree, double-click IPv6. |
3 |
On the work area, click the Neighbors tab. |
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Use the data in this table to help you view the Neighbors tab.
Variable | Value |
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IfIndex | Specifies a unique Identifier of a physical interface or a logical interface (VLAN). For the VLAN, the value is the Ifindex of the VLAN. |
NetAddress | Indicates the IP address corresponding to the media-dependent physical address. |
PhysAddress | Indicates the media-dependent physical address. The range is 0–65535. For Ethernet, this is a MAC address. |
Interface | Indicates either a physical port ID or the Multi-Link Trunking port ID. This entry is associated either with a port or with the Multi-Link Trunking in a VLAN. |
LastUpdated | Specifies the value of sysUpTime at the time this entry was last updated. If this entry was updated prior to the last reinitialization of the local network management subsystem, this object contains a zero value. |
Type |
Specifies the types of mapping.
The default is static. |
State |
Specifies the Neighbor Unreachability Detection state for the interface when the address mapping in this entry is used. If Neighbor Unreachability Detection is not in use (for example, for IPv4), this object is always unknown. Options include the following:
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