Chapter 33 IPv6 Commands
Ethernet Switch CLI Reference Guide
153
Table 91 ipv6 nd Command Summary
COMMAND DESCRIPTION M P
interface vlan <1-4094> Enters config-route-domain mode for the specified VLAN.
Creates the VLAN, if necessary.
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ipv6 nd dad-attempts <0-600> Sets the number of consecutive neighbor solicitations the
Switch sends for this VLAN.
The Switch uses Duplicate Address Detection (DAD) with
neighbor solicitation and advertisement messages to
check whether an IPv6 address is already in use before
assigning it to an interface, such as the link-local address
it creates through stateless address autoconfiguration for
this VLAN.
To turn off the DAD for this VLAN, set the number of DAD
attempts to 0.
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ipv6 nd managed-config-flag Configures the Switch to set the “managed address
configuration” flag (the M flag) to 1 in IPv6 router
advertisements, which means hosts use DHCPv6 to
obtain IPv6 stateful addresses.
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ipv6 nd ns-interval <1000-
3600000>
Specifies the time interval (in milliseconds) at which
neighbor solicitations are re-sent for this VLAN.
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ipv6 nd other-config-flag Configures the Switch to set the “Other stateful
configuration” flag (the O flag) to 1 in IPv6 router
advertisements, which means hosts use DHCPv6 to
obtain additional configuration settings, such as DNS
information.
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ipv6 nd prefix <ipv6-prefix>/
<prefix-length> <[valid-
lifetime <0-4294967295>]
[preferred-lifetime <0-
4294967295>] [no-autoconfig]
[no-onlink] [no-advertise]>
Sets the Switch to include the specified IPv6 prefix, prefix
length and optional parameters in router advertisements
for this VLAN.
valid-lifetime: sets how long in seconds the prefix is
valid for on-link determination.
preferred-lifetime: sets how long (in seconds) that
addresses generated from the prefix via stateless address
autoconfiguration remain preferred.
no-autoconfig: indicates the hosts can not use this
prefix for stateless address autoconfiguration.
no-onlink: indicates this prefix can not be used for on-
link determination.
no-advertise: sets the Switch to not include the
specified IPv6 prefix, prefix length and optional
parameters in router advertisements for this VLAN.
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ipv6 nd prefix <ipv6-prefix>/
<prefix-length>
Sets the Switch to include the specified IPv6 prefix and
prefix length in router advertisements for this VLAN.
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ipv6 nd ra interval minimum <3-
1350> maximum <4-1800>
Specifies the minimum and maximum time intervals at
which the Switch sends router advertisements for this
VLAN.
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ipv6 nd ra lifetime <0-9000> Sets how long (in seconds) the router in router
advertisements can be used as a default router for this
VLAN.
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ipv6 nd ra suppress Sets the Switch to not send router advertisements and
responses to router solicitations for this VLAN.
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ipv6 nd reachable-time <1000-
2147483647>
Specifies how long (in milliseconds) a neighbor is
considered reachable for this VLAN.
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no ipv6 nd dad-attempts Resets the number of the DAD attempts to the default
settings (3).
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