Configuration Guide (Supporting R2.2.0.0) Owner's manual

592 Brocade 6910 Ethernet Access Switch Configuration Guide
53-1002651-02
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DHCP Relay
Command Usage
• 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.
• To display the DUID assigned to this device, first enter the ipv6 address autoconfig command.
Example
Console(config-if)#ipv6 address autoconfig
Console(config-if)#end
Console#show ipv6 dhcp duid
DHCPv6 Unique Identifier (DUID): 0001-0001-4DFB0BA1-7072CF32DDFD
Console#
show ipv6 dhcp vlan
This command shows DHCPv6 information for the specified interface(s).
Syntax
show ipv6 dhcp vlan vlan-id
vlan-id - VLAN ID, specified as a single number, a range of consecutive numbers separated
by a hyphen, or multiple numbers separated by commas. (Range: 1-4093; Maximum
command length: 300 characters)
Command Mode
Privileged Exec
Example
Console#show ipv6 dhcp vlan 1
VLAN 1 is in DHCP client mode, Rapid-Commit
List of known servers:
Server address : FE80::250:FCFF:FEF9:A494
DUID : 0001-0001-48CFB0D5-F48F2A006801
Server address : FE80::250:FCFF:FEF9:A405
DUID : 0001-0001-38CF5AB0-F48F2A003917
Console#
DHCP Relay
This section describes commands used to configure the switch to relay DHCP requests from local
hosts to a remote DHCP server.
TABLE 140 DHCP Relay Commands
Command Function Mode
ip dhcp relay server Specifies DHCP server addresses for relay IC
ip dhcp restart relay Enables DHCP relay agent PE
show ip dhcp relay Displays the configuration settings for DHCP relay service PE