ECS4100 Series CLI Reference Guide-R07

Chapter 33 | IP Interface Commands
IPv6 Interface
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show ipv6 nd raguard This command displays the configuration setting for RA Guard.
Syntax
show ipv6 nd raguard [interface]
interface
ethernet unit/port
unit - Unit identifier. (Range: 1)
port - Port number. (Range: 1-12/26/28/52)
port-channel channel-id (Range: 1-16)
Command Mode
Privileged Exec
Example
Console#show ipv6 nd raguard interface ethernet 1/1
Interface RA Guard
--------- --------
Eth 1/ 1 Yes
Console#
ipv6 nd
reachable-time
This command configures the amount of time that a remote IPv6 node is
considered reachable after some reachability confirmation event has occurred. Use
the no form to restore the default setting.
Syntax
ipv6 nd reachable-time milliseconds
no ipv6 nd reachable-time
milliseconds - The time that a node can be considered reachable after
receiving confirmation of reachability. (Range: 0-3600000)
Default Setting
30000 milliseconds is used for neighbor discovery operations
0 milliseconds is advertised in router advertisements
0 milliseconds is advertised in router advertisements
Command Mode
Interface Configuration (VLAN)
Command Usage
◆ The time limit configured by this parameter allows the router to detect
unavailable neighbors. During the neighbor discover process, an IPv6 node will
multicast neighbor solicitation messages to search for neighbor nodes. For a
neighbor node to be considered reachable, it must respond to the neighbor