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46 | Advanced Configurations |
4.3 Changing DHCP server configuration
DHCP is used to acquire IP addresses and options (such as the subnet mask, DNS, gateway, etc.) automatically. On the practical level, acquiring these initialization parameters with DHCP translates into avoiding the more involved Router/PC process (reconfiguration of Router and/or PC addresses in the same network.
[System configuration]
| Ethernet Port |
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| 192.168 | |
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PC 1 | HUB | 202.1.136.254 |
| .102.2 |
202.1.136.1 |
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PC N |
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192.168.102.3 | ||||
202.1.136.100 | ||||
DSLAM/NSP | ||||
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[ISP/DSLAM configuration] |
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IP address : | 192.168.102.3 |
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Subnet mask : | 255.255.255.0 |
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Gateway : | None | |||
[Local PC configuration] |
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IP address : | None (obtained by DHCP) | |||
Subnet mask : | None (obtained by DHCP) | |||
Gateway : | None (obtained by DHCP) |
By default, the ADSL Router is configured as a DHCP server with the following settings :
%Do not allocate dynamic IP addresses to unknown clients deny
%Do not repond to BOOTP queries
deny bootp;