NOTE: If you enable RAs on more than 100 VLAN interfaces, some of the interfaces may not send out the RAs at regular intervals.

In the WebUI

1.Navigate to the Configuration>Network>IP page.

2.Select the IP Interfaces tab.

3.Edit the VLAN on which you want to configure the neighbor discovery or RA options.

4.SelectIP Version as IPv6.

5.Under Neighbor Discovery, configure the following neighbor discovery and RA options for the VLAN based on your requirements.

a.Enter a value in the Reachable Time field. The allowed range is 0 - 3,600,000 msec. The default value is 0.

b.Enter a value in the Retransmit Time field. The allowed range is 0 - 3,600,000 msec.he default value is 0.

c.Enter a DNS server name in the IPv6 Recursive DNS Server field.

d.Enter a hop-limit value in the RA hop-limitfield. The allowed range is 1 to 255. The default value is 64.

e.Enter the maximum interval value in the RA Interval(sec) field. Allowed range is 4 to1800 seconds. Default value is 600 seconds.

f.Enter a value in the RA Minimum Interval(sec) field. Allowed range is 3 to 0.75 times the maximum RA interval value in seconds. The default minimum value is 0.33 times the maximum RA interval value

g.Enter a value in the RA Lifetime field. A value of 0 indicates that the router is not a default router. Apart from a zero value, the allowed range for the lifetime value is RA interval time to 9000 seconds. The default and minimum value is 3 times the RA interval time.

h.Select the DHCP for address check box to enable the hosts to use the DHCP server for address autoconfiguration apart from any addresses auto-configured using RA.

i.Enter a value in the RA MTU Option option. The allowed range is 1280 to maximum MTU allowed for the link.

j.Select the DHCP for Other Address check box to enable the hosts to use the DHCP server for autoconfiguration of other (non-address) information.

k.Select the router preference as High, Medium, or Low.

6.Click Apply to apply the configurations.

In the CLI

Execute the following CLI commands to configure the neighbor discovery and RA options for a VLAN interface:

To configure neighbor discovery reachable time:

(host) (config) #interface vlan <vlan-id>

(host) (config-subif)#ipv6 nd reachable-time <value>

To configure neighbor discovery retransmit time:

(host) (config-subif)#ipv6 nd retransmit-time <value>

To configure IPv6 recursive DNS server:

(host) (config-subif)#ipv6 nd ra dns X:X:X:X::X

To configure RA hop-limit:

(host) (config-subif)#ipv6 nd ra hop-limit <value>

139 IPv6 Support

Dell PowerConnect W-Series ArubaOS 6.2 User Guide

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Dell 6.2 Navigate to the ConfigurationNetworkIP, SelectIP Version as IPv6, To configure neighbor discovery retransmit time
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