Edge-Core ECS4110-28T Management Manual page 1416

28/52-port gigabit ethernet layer 2+ switch
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| DHCP Commands
C
45
HAPTER
DHCP Client
show ipv6 dhcp
duid
This combination is known as DHCPv6 stateless, in which a DHCPv6
server does not assign stateful addresses to IPv6 hosts, but does
assign stateless configuration settings.
DHCPv6 clients build a list of servers by sending a solicit message and
collecting advertised message replies. These servers are then ranked
based on their advertised preference value. If the client needs to
acquire prefixes from servers, only servers that have advertised
prefixes are considered.
If the rapid commit option has been enabled on the switch using the
ipv6 dhcp client rapid-commit vlan
server, message exchange can be reduced from the normal four step
process to a two-step exchange of only solicit and reply messages.
E
XAMPLE
The following command submits a client request on VLAN 1.
Console#ipv6 dhcp restart client vlan 1
Console#
R
C
ELATED
OMMANDS
ipv6 address autoconfig (1435)
This command shows the DHCP Unique Identifier for this switch.
C
M
OMMAND
ODE
Privileged Exec
C
U
OMMAND
SAGE
DHCPv6 clients and servers are identified by a DHCP Unique Identifier
(DUID) included in the client identifier and server identifier options. Static
or dynamic address prefixes may be assigned by a DHCPv6 server based
on the client's DUID.
E
XAMPLE
Console#show ipv6 dhcp duid
DHCPv6 Unique Identifier (DUID): 0001-0001-50AB9A72-B40EDC34E63C
Console#
– 1416 –
command, and on the DHCPv6

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