Enable NAT(PAT) on DHCP Server

Enable NAT(PAT) on DHCP Server


=========================
PC>ping 192.168.3.10

Pinging 192.168.3.10 with 32 bytes of data:

Reply from 192.168.3.10: bytes=32 time=1ms TTL=126
Reply from 192.168.3.10: bytes=32 time=1ms TTL=126
Reply from 192.168.3.10: bytes=32 time=1ms TTL=126
Reply from 192.168.3.10: bytes=32 time=1ms TTL=126

Ping statistics for 192.168.3.10:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
    Minimum = 1ms, Maximum = 1ms, Average = 1ms

PC>

=========================
R1#sh ip nat translations
Pro  Inside global     Inside local       Outside local      Outside global
icmp 10.0.0.1:5        192.168.1.10:5     192.168.3.10:5     192.168.3.10:5
icmp 10.0.0.1:6        192.168.1.10:6     192.168.3.10:6     192.168.3.10:6
icmp 10.0.0.1:7        192.168.1.10:7     192.168.3.10:7     192.168.3.10:7
icmp 10.0.0.1:8        192.168.1.10:8     192.168.3.10:8     192.168.3.10:8
icmp 10.0.0.1:10       192.168.2.10:10    192.168.3.10:10    192.168.3.10:10
icmp 10.0.0.1:11       192.168.2.10:11    192.168.3.10:11    192.168.3.10:11
icmp 10.0.0.1:12       192.168.2.10:12    192.168.3.10:12    192.168.3.10:12
icmp 10.0.0.1:9        192.168.2.10:9     192.168.3.10:9     192.168.3.10:9

R1#
=========================

R1#sh ip nat statistics
Total translations: 0 (0 static, 0 dynamic, 0 extended)
Outside Interfaces: Serial0/0/0
Inside Interfaces: FastEthernet0/0 , FastEthernet0/1
Hits: 19  Misses: 20
Expired translations: 20
Dynamic mappings:
-- Inside Source
access-list 10 pool mypool refCount 0
 pool mypool: netmask 255.255.255.252
       start 10.0.0.1 end 10.0.0.1
       type generic, total addresses 1 , allocated 0 (0%), misses 0
R1#

=========================

R1#show ip dhcp binding
IP address       Client-ID/              Lease expiration        Type
                 Hardware address
192.168.1.10     0001.C706.A76A           --                     Automatic
192.168.2.10     0001.4348.BE92           --                     Automatic
R1#
R1#

=========================
R1#sh run
!
hostname R1
!
!
!
!
ip dhcp excluded-address 192.168.1.1 192.168.1.9
ip dhcp excluded-address 192.168.2.1 192.168.2.9
!
ip dhcp pool mydhcp
 network 192.168.1.0 255.255.255.0
 default-router 192.168.1.254
 dns-server 8.8.8.8
ip dhcp pool mydhcp2
 network 192.168.2.0 255.255.255.0
 default-router 192.168.2.254
 dns-server 8.8.8.8
!
!
interface FastEthernet0/0
 ip address 192.168.1.254 255.255.255.0
 ip nat inside
 duplex auto
 speed auto
!
interface FastEthernet0/1
 ip address 192.168.2.254 255.255.255.0
 ip nat inside
 duplex auto
 speed auto
!
interface Serial0/0/0
 ip address 10.0.0.1 255.255.255.252
 ip nat outside
!
!
router ospf 1
 log-adjacency-changes
 network 192.168.1.0 0.0.0.255 area 0.0.0.0
 network 192.168.2.0 0.0.0.255 area 0.0.0.0
 network 10.0.0.0 0.0.0.3 area 0.0.0.0
!
ip nat pool mypool 10.0.0.1 10.0.0.1 netmask 255.255.255.252
ip nat inside source list 10 pool mypool overload
ip classless
!
!
access-list 10 permit 192.168.1.0 0.0.0.255
access-list 10 permit 192.168.2.0 0.0.0.255
!
!
end


R1#

=========================

R2#sh run
!
hostname R2
!
interface GigabitEthernet0/0
 ip address 192.168.3.254 255.255.255.0
 duplex auto
 speed auto
!
interface GigabitEthernet0/1
 no ip address
 duplex auto
 speed auto
 shutdown
!
interface Serial0/0/0
 ip address 10.0.0.2 255.255.255.252
!
router ospf 1
 log-adjacency-changes
 network 192.168.3.0 0.0.0.255 area 0.0.0.0
 network 10.0.0.0 0.0.0.3 area 0.0.0.0
!
end

R2#
=========================