3Com 3C13636 Configuration Manual page 492

3Com Router 3000 Ethernet Family
Configuration Guide
limit is 5 days; the DNS address is 10.1.1.2; the NetBIOS address is 10.1.1.4; the
egress router address is 10.1.1.254.
II. Networking topology
RouterA
Figure 9-6 DHCP server and client in the same sub-net
III. Configuration procedure
# Enable DHCP
[3Com] dhcp enable
# Configure specified interfaces to operate in DHCP server mode and allocate IP
addresses from a global address pool.
[3Com] dhcp select global interface ethernet 0/0/0 to ethernet 0/0/1
# Forbid auto allocation of IP addresses (including DNS address, NetBIOS address and
egress gateway address)
[3Com] dhcp server forbidden-ip 10.1.1.2
[3Com] dhcp server forbidden-ip 10.1.1.4
[3Com] dhcp server forbidden-ip 10.1.1.126
[3Com] dhcp server forbidden-ip 10.1.1.254
# Configure common attributes for DHCP address pool 0 (address pool range, domain
name and DNS address).
[3Com] dhcp server ip-pool 0
[3Com-dhcp-0] network 10.1.1.0 mask 255.255.255.0
[3Com-dhcp-0] domain-name huawei.com
[3Com-dhcp-0] dns-list 10.1.1.2
[3Com-dhcp-0] quit
# Configure attributes for DHCP address pool 1 (address pool range, egress gateway
address and address lease limit)
[3Com] dhcp server ip-pool 1
[3Com-dhcp-1] network 10.1.1.0 mask 255.255.255.128
[3Com-dhcp-1] gateway-list 10.1.1.126
NetBIOS Server Client
LAN
Server
DNS Server Client
3Com Corporation
9-45
Chapter 9 DHCP Configuration
Client
LAN
DHCP
Client Client
Client
RouterB