User guide

Brocade 6910 Ethernet Access Switch Configuration Guide 581
53-1002581-01
Chapter
28DHCP Commands
These commands are used to configure Dynamic Host Configuration Protocol (DHCP) client and
relay functions. Any VLAN interface can be configured to automatically obtain an IP address
through DHCP. This switch can be configured to relay DHCP client configuration requests to a DHCP
server on another network.
DHCP Client
Use the commands in this section to allow the switch’s VLAN interfaces to dynamically acquire IP
address information.
ip dhcp client class-id
This command specifies the DCHP client vendor class identifier for the current interface. Use the
no form to remove the class identifier from the DHCP packet.
Syntax
ip dhcp client class-id [text text | hex hex]
no ip dhcp client class-id
text - A text string. (Range: 1-32 characters)
hex - A hexadecimal value. (Range: 1-64 characters)
TABLE 137 DHCP Commands
Command Group Function
DHCP Client Allows interfaces to dynamically acquire IP address information
DHCP Relay Relays DHCP requests from local hosts to a remote DHCP server
TABLE 138 DHCP Client Commands
Command Function Mode
DHCP for IPv4
ip dhcp client class-id Specifies the DHCP client identifier for an interface IC
ip dhcp restart client Submits a BOOTP or DHCP client request PE
DHCP for IPv6
ipv6 dhcp client rapid-commit vlan Specifies the Rapid Commit option for DHCPv6 message
exchange
GC
ipv6 dhcp restart client vlan Submits a DHCPv6 client request PE
show ipv6 dhcp duid Shows the DHCP Unique Identifier for this switch PE
show ipv6 dhcp vlan Shows DHCPv6 information for specified interface PE