Example for Configuring a BOOTP Client

Networking Requirements

In Figure 1, SwitchA functions as a BOOTP client and needs to dynamically obtain an IP address, DNS server address, and gateway address from a DHCP server (SwitchB).

Figure 1 Networking diagram for configuring a BOOTP client

Configuration Roadmap

The configuration roadmap is as follows:

Configure SwitchA as a BOOTP client to dynamically obtain an IP address from the DHCP server.
Create a global address pool on SwitchB and set corresponding attributes.

Procedure

Configure the BOOTP client function on SwitchA.

# Create VLAN 10 and add GE0/0/1 to VLAN 10.

<HUAWEI> system-view
[HUAWEI] sysname SwitchA
[SwitchA] vlan 10
[SwitchA-vlan10] quit
[SwitchA] interface gigabitethernet 0/0/1
[SwitchA-GigabitEthernet0/0/1] port link-type trunk
[SwitchA-GigabitEthernet0/0/1] port trunk allow-pass vlan 10
[SwitchA-GigabitEthernet0/0/1] quit

# Enable the BOOTP client function on VLANIF 10.

[SwitchA] interface vlanif 10
[SwitchA-Vlanif10] ip address bootp-alloc

Create a global address pool on SwitchB and set corresponding attributes.

# Enable DHCP.

<HUAWEI> system-view
[HUAWEI] sysname SwitchB
[SwitchB] dhcp enable
[SwitchB] dhcp server bootp
[SwitchB] dhcp server bootp automatic

# Create VLAN 10 and add GE0/0/1 to VLAN 10.

[SwitchB] vlan 10
[SwitchB-vlan10] quit
[SwitchB] interface gigabitethernet 0/0/1
[SwitchB-GigabitEthernet0/0/1] port link-type trunk
[SwitchB-GigabitEthernet0/0/1] port trunk allow-pass vlan 10
[SwitchB-GigabitEthernet0/0/1] quit

# Configure VLANIF 10 to work in global address pool mode.

[SwitchB] interface vlanif 10
[SwitchB-Vlanif10] ip address 192.168.1.1 24
[SwitchB-Vlanif10] dhcp select global
[SwitchB-Vlanif10] quit

# Create an address pool and set corresponding attributes.

[SwitchB] ip pool pool1
[SwitchB-ip-pool-pool1] network 192.168.1.0 mask 24
[SwitchB-ip-pool-pool1] gateway-list 192.168.1.126
[SwitchB-ip-pool-pool1] dns-list 192.168.1.2
[SwitchB-ip-pool-pool1] excluded-ip-address 192.168.1.2
[SwitchB-ip-pool-pool1] quit

Verify the configuration.

# On interface VLANIF 10, run the display this command to view the BOOTP client configuration.

[SwitchA-Vlanif10] display this
#                                                                                                                                   
interface Vlanif10                                                                                                                  
 ip address bootp-alloc                                                                                                             
#                                                                                                                                   
return

[SwitchA-Vlanif10] quit

# After VLANIF 10 obtains an IP address, run the display dhcp client command on SwitchA to view the status of the BOOTP client on VLANIF 10.

[SwitchA] display dhcp client
BOOTP client lease information on interface Vlanif10 :                          
 Current machine state         : Bound                                          
 Internet address assigned via : BOOTP                                          
 Physical address              : 0018-8201-0987                                 
 IP address                    : 192.168.1.254                                  
 Subnet mask                   : 255.255.255.0                                  
 Gateway ip address            : 192.168.1.126                                  
 Lease obtained at             : 2008-11-06 23:04:47                            
 DNS                           : 192.168.1.2

# Run the display ip pool command on SwitchB to view the address pool configuration.

[SwitchB] display ip pool name pool1
  Pool-name      : pool1
  Pool-No        : 0
  Lease          : 1 Days 0 Hours 0 Minutes
  Domain-name    : 192.168.1.2
  DNS-server0    : -
  NBNS-server0   : -
  Netbios-type   : -
  Position       : Local
  Status           : Unlocked
  Gateway-0      : 192.168.1.126
  Network        : 192.168.1.0
  Mask           : 255.255.255.0
  VPN instance     : --
  Logging          : Disable
  Conflicted address recycle interval: -
  Address Statistic: Total       :253       Used        :1                      
                     Idle        :251       Expired     :0                      
                     Conflict    :0         Disabled     :1                      
                                                                                
 -----------------------------------------------------------------------------
         Start           End     Total  Used  Idle(Expired)  Conflict  Disabled
 -----------------------------------------------------------------------------
      10.20.20.1    10.20.20.254   253     1        251(0)         0        1
 -----------------------------------------------------------------------------

Configuration Files

SwitchA configuration file

#
sysname SwitchA
#
vlan batch 10
#
interface Vlanif10                                                              
 ip address bootp-alloc                                                             
#                                                                               
interface GigabitEthernet0/0/1                                                         
 port link-type trunk                                                          
 port trunk allow-pass vlan 10                                                           
#
return

SwitchB configuration file

#
sysname SwitchB
#
vlan batch 10
#
dhcp enable
#                                                                               
dhcp server bootp                                                               
dhcp server bootp automatic                                                     
#   
ip pool pool1
 gateway-list 192.168.1.126
 network 192.168.1.0 mask 255.255.255.0
 dns-list 192.168.1.2
#
interface Vlanif10
 ip address 192.168.1.1 255.255.255.0
 dhcp select global
#                                                                               
interface GigabitEthernet0/0/1                                                         
 port link-type trunk                                                          
 port trunk allow-pass vlan 10                                                           
#
return