Paradyne CSU User Manual Page 162

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5. Configuring the FrameSaver SLV Router
5-12
September 2002 9128-A2-GB20-80
DHCP Server with NAT Configuration Example
In this DHCP Server with NAT example:
The clients are using dynamic IP address assignment and use the Ethernet
interface of the router as the next hop router (default gateway).
The DHCP server assigns private IP addresses which are converted to public
IP addresses by NAT.
The network interface must be numbered.
The router is configured as the DHCP server giving the private IP addresses
to the clients.
The Ethernet interface is in private address space. NAT is used for one-to-one
mapping of addresses.
The command line syntax for this example, where
x
is the number configured for
the sub-interface, is:
ip nat pool public 192.128.22.1 netmask 255.255.255.0
access-list 1 permit 10.1.1.0 0.0.0.255
ip nat inside source list 1 pool public
interface ethernet 0
ip nat inside
interface serial 0.
x
ip nat outside
Public IP Addresses for NAT Private IP Addresses
192.128.22.1 10.1.3.2
192.128.22.2 10.1.3.3
. . . . . .
192.128.22.nnn 10.1.3.nnn
NAT with DHCP Server
02-17300
NAT
Private IP
Address
Public IP
Addresses
DHCP
Pool
Public
Network
Ethernet
Private
Network
FrameSaver SLV Router
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