Users Guide

• Next-hop determination.
• Neighbor Unreachability Detection (NUD): Determine that a neighbor is no longer reachable on the
link.
• Duplicate Address Detection (DAD): Allow a node to check whether a proposed address is already in
use.
• Redirect: The router can inform a node about a better first-hop.
Use the ipv6 neighbor command to manually configure the IPv6 address of a neighbor to be discovered
by the switch.
show ipv6 neighbors
Display IPv6 discovery information. Entering the command without options shows all IPv6 neighbor addresses stored on the
control processor (CP).
S4820T
Syntax
show ipv6 neighbors [vrf vrf-name] [ipv6-address| interface interface]
Parameters
vrf vrf-name (OPTIONAL) Enter the keyword vrf and the name of the VRF to display the
neighbors corresponding to that VRF.
NOTE: If you do not specify this option, neighbors corresponding to the
default VRF are displayed.
ipv6-address Enter the IPv6 address of the neighbor in the x:x:x:x::x format.
NOTE: The :: notation specifies successive hexadecimal fields of zero.
interface interface Enter the keyword interface then the interface type and slot/port or number
information:
• For a 10-Gigabit Ethernet interface, enter the keyword TenGigabitEthernet
then the slot/port information.
• For a 40-Gigabit Ethernet interface, enter the keyword fortyGigE then the
slot/port information.
• For a Management interface, enter the keyword managementethernet
followed by slot/port numbers.
• For a Port Channel interface, enter the keywords port-channel followed by a
number.
• For a port channel interface, enter the keywords port-channel then a
number.
• For a VLAN interface, enter the keyword vlan then a number from 1 to 4094.
Defaults None
Command Modes
• EXEC
• EXEC Privilege
Command History
This guide is platform-specific. For command information about other platforms, see the relevant Dell
Networking OS Command Line Reference Guide.
Neighbor Discovery Protocol (NDP) 1079