Command Manual – DHCP
H3C S7500E Series Ethernet Switches Chapter 3 DHCP Client Configuration Commands
3-3
Field Description
DNS server The DNS server address assigned to the client
Domain name The domain name suffix assigned to the client
Boot server
PXE server addresses (up to 16 addresses)
specified for the DHCP client, which are obtained
through Option 43.
Client ID Client ID
T1 will timeout in 1 day 11
hours 58 minutes 52 seconds.
How long the T1 (1/2 lease time) timer will timeout.
3.1.2 ip address dhcp-alloc
Syntax
ip address dhcp-alloc [ client-identifier mac interface-type interface-number ]
undo ip address dhcp-alloc
View
Interface view
Parameters
client-identifier mac interface-type interface-number: Specifies the MAC address of
an interface using which as the client ID to obtain an IP address.
Description
Use the ip address dhcp-alloc command to configure an interface to use DHCP for IP
address acquisition.
Use the undo ip address dhcp-alloc command to cancel an interface from using
DHCP.
By default, an interface does not use DHCP for IP address acquisition.
Note that:
z If no parameter is specified, the client uses a character string comprised of the
current interface name and MAC address as its ID for address acquisition.
z The DHCP client sends a DHCP-RELEASE message for releasing the IP address
obtained via DHCP, if the interface of the client is down, the message cannot be
sent.
Examples
# Configure VLAN-interface 1 to use DHCP for IP address acquisition.
<Sysname> system-view
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