DSL Router Configuration Examples
DHCP Server with Basic NAT Configuration Example
Customer Premises (CP)
Core
Router
155.1.3.1Console 
Port
|
| Connection | |
DSL |
| Ethernet | |
WAN |
| eth1 | |
dsl1 | DSL | ||
155.1.3.2 | 10.1.3.10 | ||
Router |
Systems
10.1.3.2
10.1.3.3
Hub
10.1.3.9
| |
|
|
Public IP Addresses for Basic NAT | Private IP Addresses |
|
|
192.128.1.1 | 10.1.3.2 |
|
|
192.128.1.2 | 10.1.3.3 |
|
|
. . . | . . . |
|
|
192.128.1.8 | 10.1.3.9 |
|
|
In this DHCP Server with Basic NAT example:
HThe clients are using dynamic IP address assignment and use the Ethernet interface (eth1) of the DSL router as the next hop router (default gateway).
HThe DSL interface (dsl1) must be numbered.
HThe DSL router is configured as the DHCP server giving the private IP addresses to the clients.
HThe Ethernet interface is in private address space. NAT is used for
The command line syntax for this example is:
ifn address eth1 10.1.3.10 255.255.255.240 ifn address dsl1 155.1.3.2 255.255.255.0 ip route create upstream eth1 155.1.3.1
nat basic address 192.128.1.0 nat basic enable
dhcp server addresses 10.1.3.2 10.1.3.9 dhcp server router 10.1.3.10
dhcp server enable
August 2000 |
