Reachability Time; Retransmission Time; Verifying Neighbor Discovery Parameter Configuration - Cisco MDS 9000 series Configuration Manual

Configuring Neighbor Discovery Parameters
S e n d d o c u m e n t a t i o n c o m m e n t s t o m d s f e e d b a c k - d o c @ c i s c o . c o m
Command or Action
Step 3
switch(config-if)# ipv6 nd dad attempts 3
Step 4
switch(config-if)# no ipv6 nd dad attempts

Reachability Time

To configure the reachability time, follow these steps:
Command or Action
Step 1
switch# config t
switch(config)#
Step 2
switch(config)# interface gigabitethernet 3/1
switch(config-if)#
Step 3
switch(config-if)# ipv6 nd reachability-time
10000
Step 4
switch(config-if)# no ipv6 nd
reachability-time

Retransmission Time

To configure the retransmission time, follow these steps:
Command or Action
Step 1
switch# config t
switch(config)#
Step 2
switch(config)# interface gigabitethernet 3/1
switch(config-if)#
Step 3
switch(config-if)# ipv6 nd
retransmission-timer 20000
Step 4
switch(config-if)# no ipv6 nd
retransmission-timer

Verifying Neighbor Discovery Parameter Configuration

The show ipv6 interface command displays the configuration of the neighbor discovery parameters.
switch# show ipv6 interface mgmt 0
mgmt0 is up
IPv6 is enabled
Global address(es):
Link-local address(es):
ND DAD is enabled, number of DAD attempts: 5
Cisco MDS 9000 Family NX-OS IP Services Configuration Guide
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Chapter 8 Configuring IPv6 for Gigabit Ethernet Interfaces
Purpose
Sets the duplicate address detection attempts
count to 100. The range is 0 to 15.
Reverts to the default value (0).
Note When the attempt count is set to 0,
neighbor discovery is disabled.
Purpose
Enters configuration mode.
Specifies an interface and enters interface
configuration submode.
Sets the reachability time to 10000 milliseconds.
The range is 1000 to 3600000 milliseconds.
Reverts to the default value (30000
milliseconds).
Purpose
Enters configuration mode.
Specifies an interface and enters interface
configuration submode.
Sets the retransmission time to 20000
milliseconds. The range is 1000 to 3600000
milliseconds.
Reverts to the default value (1000 milliseconds).
OL-19525-01,Cisco MDS NX-OS Release 4.2(1)