ECS4660-28F_Management Guide-R03

C HAPTER 49 | IP Interface Commands
IPv6 Interface
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DEFAULT SETTING
Disabled
COMMAND MODE
Interface Configuration (VLAN)
COMMAND USAGE
◆ The “managed-address configuration” flag tells hosts that they should
use stateful autoconfiguration to obtain addresses from a DHCPv6
server.
◆ The ipv6 nd other-config-flag command is used to tell hosts that they
should use stateless address autoconfiguration to get IPv6 address
(based on the IPv6 prefixes found in router advertisements) and
stateful autoconfiguration to get other non-address parameters (such
as DNS server addresses) from DHCPv6 servers.
◆ The absence of the “managed-address configuration” flag tells hosts to
use only stateless address autoconfiguration (based on IPv6 prefixes
found in router advertisements).
◆ The “managed address configuration” flag is only a suggestion to
attached hosts. They may still use stateful and/or stateless address
autoconfiguration. If hosts must be forced to use DHCPv6 for security
reasons, ensure that no route prefixes are sent in router adverstiments.
EXAMPLE
The following tells hosts to use stateful autoconfiguration to obtain
addresses:
Console(config)#interface vlan 1
Console(config)#ipv6 nd managed-config-flag
Console(config)#
ipv6 nd
other-config-flag
This command configures IPv6 router advertisements to indicate to
attached hosts that they can obtain stateful autoconfiguration information
other than addresses. Use the no form to clear this flag from router
advertisements.
SYNTAX
[no] ipv6 nd other-config-flag
DEFAULT SETTING
Disabled
COMMAND MODE
Interface Configuration (VLAN)