Users Guide

Version Description
9.5(0.1) Introduced on the Z9500.
9.3(0.1) Introduced on the S6000.
Usage Information You can use this command to enable programming of /128 route prexes in L3 host table or in LPM table. A
warning message is displayed when you enter this command stating that this setting takes eect for existing
routes only when IPv6 route prexes are cleared from the routing table (RTM). To enable programming of /128
route prexes in LPM table, use no ipv6 unicast-host-route command.
Example
Dell(conf)# ipv6 unicast-host-route
Warning: Command will take effect for existing routes only when IPv6
route prefixes are cleared from RTM
Dell(conf)#no ipv6 unicast-host-route
Warning: Command will take effect for existing routes only when IPv6
route prefixes are cleared from RTM
Dell(conf)#
ipv6 nd disable-reachable-timer
Keep the learnt neighbor discovery entries stateless so that the entries do not time out.
Syntax
ipv6 nd disable-reachable-timer
To restore to default, use the no ipv6 nd disable-reachable-timer command.
Default Disabled
Command Modes INTERFACE
Command History
This guide is platform-specic. For command information about other platforms, see the relevant Dell Networking
OS Command Line Reference Guide.
Version Description
9.11.0.1 Introduced on the S3100 series, S3048–ON, S4048–ON, S4048T-ON, S4810, S4820,
S5000, S6000, S6010–ON, S6000–ON, S6100–ON, Z9100–ON, C9010, Z9500, MXL,
and FN IOM.
ipv6 nd dns-server
Congures Recursive DNS Server (RDNSS) addresses to be distributed via IPv6 router advertisements to an IPv6 device.
Syntax
ipv6 nd dns-server {ipv6-RDNSS-address} {lifetime | infinite}
To remove the IPv6 RDSS conguration, use no ipv6 nd dns-server {ipv6-RDNSS-address}
{lifetime | infinite}
Parameters
ipv6-RDNSS-
address
Enter the IPv6 Recursive DNS Server’s (RDNSS) address. You can specify up to 4 IPv6
RDNSS server addresses.
lifetime Enter the lifetime in seconds. The amount of time the IPv6 host can use the IPv6 RDNSS
address for name resolution. The range is 0 to 4294967295 seconds. When you specify
the maximum lifetime value of 4294967295 or infinite, the lifetime does not expire.
IPv6 Basics 809