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Replies

IP NAT inside source Static not working

dyop.geop
Level 1
Level 1

Hi fellow engineers,

Hope you could help me out in this problem.

This is just a simple static nat implementation but I couldn't make this work. :(

Kindly take note that I just changed the first 3 octets of the public ip addresses.

This is the static nat that doesn't work. this is found in the config below. ip nat inside source static 10.88.82.27 1.1.1.126

 This router is a Cisco C867VAE-W-A-K9

THANKS SO MUCH :)

 

Please see the config below.

 

 
version 15.3
no service pad
service timestamps debug datetime msec localtime
service timestamps log datetime msec localtime
service password-encryption
!
hostname JP-RT1
!
boot-start-marker
boot-end-marker
!
aqm-register-fnf
!
enable secret 5 $1$PuQ8$MOI.WjwPslCgIi0krdAgh0
!
no aaa new-model
wan mode ethernet
 
!
!
!
ip dhcp excluded-address 10.88.81.1 10.88.81.100
ip dhcp excluded-address 10.88.81.246 10.88.81.255
ip dhcp excluded-address 192.168.88.1 192.168.88.10
ip dhcp excluded-address 192.168.88.246 192.168.88.255
!
ip dhcp pool MARKCOM_DHCP_WLAN
 network 10.88.81.0 255.255.255.0
 default-router 10.88.81.1 
 dns-server X.X.X.X 
!
ip dhcp pool HDI-Guest
 network 192.168.88.0 255.255.255.0
 default-router 192.168.88.1 
 dns-server X.X.X.X 
!
!
!
no ip domain lookup
ip domain name hdi.com
ip name-server 8.8.8.8
ip name-server X.X.X.X
ip cef
no ipv6 cef
!
!
!
!
!
!
!
!
!
!
crypto pki trustpoint TP-self-signed-2797460316
 enrollment selfsigned
 subject-name cn=IOS-Self-Signed-Certificate-2797460316
 revocation-check none
 rsakeypair TP-self-signed-2797460316
!
!
crypto pki certificate chain TP-self-signed-2797460316
 certificate self-signed 01
  3082022B 30820194 A0030201 02020101 300D0609 2A864886 F70D0101 05050030 
  31312F30 2D060355 04031326 494F532D 53656C66 2D536967 6E65642D 43657274 
  69666963 6174652D 32373937 34363033 3136301E 170D3134 31313236 30393135 
  35315A17 0D323030 31303130 30303030 305A3031 312F302D 06035504 03132649 
  4F532D53 656C662D 5369676E 65642D43 65727469 66696361 74652D32 37393734 
  36303331 3630819F 300D0609 2A864886 F70D0101 01050003 818D0030 81890281 
  8100D18F 4A89739D 3F76E250 98A3B010 F084AA0F AF0BED53 06CC2744 744DCC96 
  ECD5F567 A3C244F7 15B58F60 08033EA7 1BCF3A49 24295FD0 546EE7D6 BC0992A8 
  70AFAC88 F9A0FC52 F4F18EC2 435FB76A 95BCBE8A 60D68171 5B0CC447 6F2ECCA8 
  48680FF4 95F13417 D703BF4B 8C9FD7B6 D7EB3C0E 05E547DD ECB00102 F8D59813 
  90950203 010001A3 53305130 0F060355 1D130101 FF040530 030101FF 301F0603 
  551D2304 18301680 145A8A54 FD847C8F 5A55DC67 FAFD7318 E26A57AA 96301D06 
  03551D0E 04160414 5A8A54FD 847C8F5A 55DC67FA FD7318E2 6A57AA96 300D0609 
  2A864886 F70D0101 05050003 8181002B 039A4DA1 04B39609 53ACC1A4 B1BF3CF6 
  C60029D4 3FF2735D 6D8A8E0A 0839EE3D BBA17B38 AFB1840F FDAB54AD B5319BD8 
  175AEAAF 501E8CD1 476A2389 DFC95BF1 19228C02 7E168EDC D4AB5D53 96F7D627 
  06004E42 F8F00D91 B5642D97 60DFEAFE F1B8043B 28E27F4F 184E6474 D678428B 
  7CD40105 809B1B8B 41E2B976 0099EF
  quit
!
!
username admin privilege 15 secret 5 $1$1yT6$GQiLg3lf3ny3Z878g.92Y0
!
!
controller VDSL 0
 shutdown
!
ip ssh version 2
!
!
!
!
crypto isakmp policy 100
 encr aes
 authentication pre-share
 group 2
crypto isakmp key p@ssw0rDhditechteam address 1.1.1.106 
!
!
crypto ipsec transform-set HDITECHVPN esp-aes esp-sha-hmac 
 mode tunnel
!
!
!
crypto map HDITECH_IPSECVPN 100 ipsec-isakmp 
 set peer 1.1.1.106
 set transform-set HDITECHVPN 
 match address VPN_ADDRESSES
!
!
!
!
!
interface ATM0
 no ip address
 shutdown
 no atm ilmi-keepalive
!
interface Ethernet0
 no ip address
 shutdown
!
interface FastEthernet0
 no ip address
!
interface FastEthernet1
 no ip address
!
interface FastEthernet2
 no ip address
!
interface GigabitEthernet0
 switchport mode trunk
 no ip address
!
interface GigabitEthernet1
 switchport access vlan 83
 no ip address
 spanning-tree portfast
!
interface GigabitEthernet2
 description WAN - Internet DSL
 ip address 1.1.1.125 255.255.255.0
 ip nat outside
 ip virtual-reassembly in
 duplex auto
 speed auto
 crypto map HDITECH_IPSECVPN
!
interface Wlan-GigabitEthernet0
 description Internal switch interface connecting to the embedded AP
 switchport access vlan 81
 no ip address
!
interface Vlan1
 description Guest_WiFi
 ip address 192.168.88.1 255.255.255.0
 ip nat inside
 ip virtual-reassembly in
!
interface Vlan80
 description JP_VOIP_VLAN_80_GATEWAY
 ip address 10.88.80.1 255.255.255.0
 ip nat inside
 ip virtual-reassembly in
!
interface Vlan81
 description MARKCOM_VLAN_81_GATEWAY
 ip address 10.88.81.1 255.255.255.0
 ip nat inside
 ip virtual-reassembly in
!
interface Vlan82
 description ACC&SERVER_VLAN_82_GATEWAY
 ip address 10.88.82.1 255.255.255.0
 ip nat inside
 ip virtual-reassembly in
!
interface Vlan83
 description JP-RT1 MAANGEMENT IP
 ip address 10.88.83.11 255.255.255.0
 ip nat inside
 ip virtual-reassembly in
!
ip forward-protocol nd
ip http server
ip http secure-server
!
!
ip nat inside source list NAT_ADDRESSES interface GigabitEthernet2 overload
ip nat inside source static 10.88.82.27 1.1.1.126
ip route 0.0.0.0 0.0.0.0 1.1.1.1
!
ip access-list extended NAT_ADDRESSES
 deny   ip 10.88.80.0 0.0.3.255 10.88.40.0 0.0.7.255
 permit ip 10.88.80.0 0.0.3.255 any
 permit ip 192.168.88.0 0.0.0.255 any
ip access-list extended VPN_ADDRESSES
 permit ip 10.88.80.0 0.0.3.255 10.88.40.0 0.0.7.255
!
!
!
!
line con 0
 exec-timeout 5 0
 logging synchronous
 login local
 no modem enable
line aux 0
line 2
 no activation-character
 no exec
 transport preferred none
 transport input all
 stopbits 1
line vty 0 4
 exec-timeout 5 0
 logging synchronous
 login local
 transport input telnet ssh
!
scheduler allocate 60000 1000
!
end
 
JP-RT1#
1 Accepted Solution

Accepted Solutions

Hi, Geoffrey Wong.

Yes, you can do so. Place another IP address as secondary to the GE2 interface. You can use line:

(config-if)# ip address 10.1.1.126 255.255.255.0 secondary

After this you can put this secondary address to your NAT command.

View solution in original post

8 Replies 8

Cisco Freak
Level 4
Level 4

Can you please share the output of 'show ip nat translation'?

 

CF

Hi Sir Cisco Freak! thanks for the reply.

Please take note that i changed the first 3 octets of the public ip address to 1.1.1. :)

Hope you can still use the information below.

 

JP-RT1#show ip nat translations |s 1.1.1.126
tcp 1.1.1.126:21     10.88.82.27:21        198.199.98.246:40083  198.199.98.246:40083
tcp 1.1.1.126:21     10.88.82.27:21        198.199.98.246:40084  198.199.98.246:40084
tcp 1.1.1.126:21     10.88.82.27:21        198.199.98.246:40085  198.199.98.246:40085
--- 1.1.1.126        10.88.82.27           ---                   ---
JP-RT1#show ip nat translations | s 10.88.82.27
tcp 1.1.1.126:21     10.88.82.27:21        198.199.98.246:40083  198.199.98.246:40083
tcp 1.1.1.126:21     10.88.82.27:21        198.199.98.246:40084  198.199.98.246:40084
tcp 1.1.1.126:21     10.88.82.27:21        198.199.98.246:40085  198.199.98.246:40085
tcp 1.1.1.125:1766   10.88.82.27:1766      202.78.83.48:80       202.78.83.48:80
tcp 1.1.1.125:1932   10.88.82.27:1932      178.255.155.114:5938  178.255.155.114:5938
tcp 1.1.1.125:2355   10.88.82.27:2355      202.78.113.173:443    202.78.113.173:443
tcp 1.1.1.125:2456   10.88.82.27:2456      202.78.113.168:443    202.78.113.168:443
tcp 1.1.1.125:2561   10.88.82.27:2561      202.78.113.81:443     202.78.113.81:443
tcp 1.1.1.125:2633   10.88.82.27:2633      202.78.113.172:443    202.78.113.172:443
tcp 1.1.1.125:4448   10.88.82.27:4448      173.194.72.125:5222   173.194.72.125:5222
tcp 1.1.1.125:4617   10.88.82.27:4617      74.125.203.125:5222   74.125.203.125:5222
--- 1.1.1.126        10.88.82.27           ---                   ---
JP-RT1#

 

 

 

JP-RT1#show ip nat translations 
Pro Inside global         Inside local          Outside local         Outside global
tcp 1.1.1.126:21     10.88.82.27:21        198.199.98.246:40083  198.199.98.246:40083
tcp 1.1.1.126:21     10.88.82.27:21        198.199.98.246:40084  198.199.98.246:40084
tcp 1.1.1.126:21     10.88.82.27:21        198.199.98.246:40085  198.199.98.246:40085
tcp 1.1.1.126:23     10.88.82.27:23        198.199.98.246:57944  198.199.98.246:57944
tcp 1.1.1.126:23     10.88.82.27:23        198.199.98.246:57945  198.199.98.246:57945
tcp 1.1.1.126:23     10.88.82.27:23        198.199.98.246:57946  198.199.98.246:57946
icmp 1.1.1.126:39    10.88.82.27:39        121.58.234.50:39      121.58.234.50:39
tcp 1.1.1.126:80     10.88.82.27:80        198.199.98.246:43716  198.199.98.246:43716
tcp 1.1.1.126:80     10.88.82.27:80        198.199.98.246:43719  198.199.98.246:43719
tcp 1.1.1.126:80     10.88.82.27:80        198.199.98.246:43720  198.199.98.246:43720
tcp 1.1.1.125:1766   10.88.82.27:1766      202.78.83.48:80       202.78.83.48:80
tcp 1.1.1.125:1932   10.88.82.27:1932      178.255.155.114:5938  178.255.155.114:5938
tcp 1.1.1.125:2355   10.88.82.27:2355      202.78.113.173:443    202.78.113.173:443
tcp 1.1.1.125:2456   10.88.82.27:2456      202.78.113.168:443    202.78.113.168:443
tcp 1.1.1.125:2561   10.88.82.27:2561      202.78.113.81:443     202.78.113.81:443
tcp 1.1.1.125:2633   10.88.82.27:2633      202.78.113.172:443    202.78.113.172:443
tcp 1.1.1.125:4448   10.88.82.27:4448      173.194.72.125:5222   173.194.72.125:5222
tcp 1.1.1.125:4617   10.88.82.27:4617      74.125.203.125:5222   74.125.203.125:5222
--- 1.1.1.126        10.88.82.27           ---                   ---
tcp 1.1.1.125:49187  10.88.82.101:49187    77.234.41.65:80       77.234.41.65:80
tcp 1.1.1.125:49238  10.88.82.101:49238    92.51.156.100:5938    92.51.156.100:5938
tcp 1.1.1.125:49896  10.88.82.101:49896    66.196.120.79:5050    66.196.120.79:5050
tcp 1.1.1.125:49926  10.88.82.101:49926    66.196.123.232:443    66.196.123.232:443
tcp 1.1.1.125:50951  10.88.82.101:50951    119.81.160.218:80     119.81.160.218:80
tcp 1.1.1.125:51986  10.88.82.101:51986    54.191.3.43:8081      54.191.3.43:8081
tcp 1.1.1.125:51988  10.88.82.101:51988    54.191.3.43:8081      54.191.3.43:8081
tcp 1.1.1.125:52101  10.88.82.101:52101    54.168.234.95:443     54.168.234.95:443
tcp 1.1.1.125:52112  10.88.82.101:52112    54.168.234.95:443     54.168.234.95:443
tcp 1.1.1.125:52134  10.88.82.101:52134    54.168.234.95:443     54.168.234.95:443
udp 1.1.1.125:55180  10.88.82.101:55180    46.10.63.211:30846    46.10.63.211:30846
udp 1.1.1.125:55180  10.88.82.101:55180    67.215.246.10:6881    67.215.246.10:6881
udp 1.1.1.125:55180  10.88.82.101:55180    82.221.103.244:6881   82.221.103.244:6881
udp 1.1.1.125:55180  10.88.82.101:55180    86.124.119.228:53669  86.124.119.228:53669
udp 1.1.1.125:55180  10.88.82.101:55180    111.37.16.110:34765   111.37.16.110:34765
udp 1.1.1.125:55180  10.88.82.101:55180    118.209.220.20:57274  118.209.220.20:57274
udp 1.1.1.125:55180  10.88.82.101:55180    182.168.90.8:45402    182.168.90.8:45402
udp 1.1.1.125:55180  10.88.82.101:55180    212.104.101.158:16748 212.104.101.158:16748
tcp 1.1.1.125:49204  10.88.82.102:49204    77.234.42.62:80       77.234.42.62:80
tcp 1.1.1.125:49293  10.88.82.102:49293    92.51.156.78:5938     92.51.156.78:5938
tcp 1.1.1.125:1072   10.88.82.102:50980    17.143.161.226:5223   17.143.161.226:5223
tcp 1.1.1.125:1089   10.88.82.102:51003    66.196.120.78:5050    66.196.120.78:5050
tcp 1.1.1.125:1108   10.88.82.102:51024    98.138.26.118:443     98.138.26.118:443
tcp 1.1.1.125:51957  10.88.82.102:51957    202.78.113.183:443    202.78.113.183:443
tcp 1.1.1.125:51963  10.88.82.102:51963    54.191.3.43:8081      54.191.3.43:8081
tcp 1.1.1.125:51974  10.88.82.102:51974    74.125.68.100:80      74.125.68.100:80
tcp 1.1.1.125:51992  10.88.82.102:51992    74.125.130.94:80      74.125.130.94:80
tcp 1.1.1.125:52016  10.88.82.102:52016    74.125.130.138:443    74.125.130.138:443
tcp 1.1.1.125:52027  10.88.82.102:52027    74.125.203.84:443     74.125.203.84:443
tcp 1.1.1.125:52033  10.88.82.102:52033    199.59.148.85:443     199.59.148.85:443
tcp 1.1.1.125:52334  10.88.82.102:52334    74.125.130.97:80      74.125.130.97:80
tcp 1.1.1.125:52335  10.88.82.102:52335    74.125.130.154:80     74.125.130.154:80
tcp 1.1.1.125:52356  10.88.82.102:52356    209.107.203.24:80     209.107.203.24:80
tcp 1.1.1.125:52358  10.88.82.102:52358    209.107.203.24:80     209.107.203.24:80
tcp 1.1.1.125:52473  10.88.82.102:52473    62.67.193.31:80       62.67.193.31:80
tcp 1.1.1.125:52622  10.88.82.102:52622    74.125.130.148:80     74.125.130.148:80
tcp 1.1.1.125:52635  10.88.82.102:52635    209.107.203.65:80     209.107.203.65:80
tcp 1.1.1.125:52708  10.88.82.102:52708    69.25.24.26:80        69.25.24.26:80
tcp 1.1.1.125:52803  10.88.82.102:52803    8.39.37.45:80         8.39.37.45:80
tcp 1.1.1.125:52804  10.88.82.102:52804    8.39.37.45:80         8.39.37.45:80
tcp 1.1.1.125:52807  10.88.82.102:52807    8.39.37.45:80         8.39.37.45:80
tcp 1.1.1.125:52808  10.88.82.102:52808    8.39.37.45:80         8.39.37.45:80
tcp 1.1.1.125:52841  10.88.82.102:52841    173.194.38.186:80     173.194.38.186:80
tcp 1.1.1.125:52867  10.88.82.102:52867    173.194.38.186:80     173.194.38.186:80
tcp 1.1.1.125:52868  10.88.82.102:52868    173.194.38.186:80     173.194.38.186:80
tcp 1.1.1.125:52874  10.88.82.102:52874    208.71.122.72:80      208.71.122.72:80
tcp 1.1.1.125:52881  10.88.82.102:52881    74.121.136.104:80     74.121.136.104:80
tcp 1.1.1.125:53053  10.88.82.102:53053    74.125.235.79:80      74.125.235.79:80
tcp 1.1.1.125:54245  10.88.82.102:54245    216.58.216.36:80      216.58.216.36:80
tcp 1.1.1.125:54256  10.88.82.102:54256    74.125.130.154:443    74.125.130.154:443
tcp 1.1.1.125:54281  10.88.82.102:54281    209.107.203.26:80     209.107.203.26:80
tcp 1.1.1.125:54311  10.88.82.102:54311    199.38.166.156:80     199.38.166.156:80
tcp 1.1.1.125:54326  10.88.82.102:54326    216.38.160.155:80     216.38.160.155:80
tcp 1.1.1.125:54335  10.88.82.102:54335    62.67.193.21:80       62.67.193.21:80
tcp 1.1.1.125:54373  10.88.82.102:54373    173.194.127.121:80    173.194.127.121:80
tcp 1.1.1.125:54415  10.88.82.102:54415    50.23.159.158:443     50.23.159.158:443
tcp 1.1.1.125:54416  10.88.82.102:54416    50.23.159.158:80      50.23.159.158:80
tcp 1.1.1.125:54426  10.88.82.102:54426    212.124.126.16:80     212.124.126.16:80
tcp 1.1.1.125:54427  10.88.82.102:54427    212.124.126.16:80     212.124.126.16:80
tcp 1.1.1.125:54442  10.88.82.102:54442    74.125.130.156:80     74.125.130.156:80
tcp 1.1.1.125:54454  10.88.82.102:54454    212.124.107.25:80     212.124.107.25:80
tcp 1.1.1.125:54458  10.88.82.102:54458    212.124.107.25:80     212.124.107.25:80
tcp 1.1.1.125:54464  10.88.82.102:54464    74.125.130.149:443    74.125.130.149:443
tcp 1.1.1.125:54469  10.88.82.102:54469    65.112.85.35:80       65.112.85.35:80
tcp 1.1.1.125:54471  10.88.82.102:54471    192.229.237.154:443   192.229.237.154:443
tcp 1.1.1.125:54474  10.88.82.102:54474    199.59.149.201:443    199.59.149.201:443
tcp 1.1.1.125:54497  10.88.82.102:54497    74.125.130.149:80     74.125.130.149:80
tcp 1.1.1.125:54522  10.88.82.102:54522    199.38.166.155:80     199.38.166.155:80
tcp 1.1.1.125:54530  10.88.82.102:54530    199.38.166.165:80     199.38.166.165:80
tcp 1.1.1.125:54534  10.88.82.102:54534    74.125.130.149:80     74.125.130.149:80
tcp 1.1.1.125:54550  10.88.82.102:54550    208.71.122.19:80      208.71.122.19:80
tcp 1.1.1.125:54552  10.88.82.102:54552    212.124.115.210:80    212.124.115.210:80
tcp 1.1.1.125:54601  10.88.82.102:54601    209.107.203.73:80     209.107.203.73:80
tcp 1.1.1.125:54602  10.88.82.102:54602    209.107.203.73:80     209.107.203.73:80
tcp 1.1.1.125:54603  10.88.82.102:54603    209.107.203.73:80     209.107.203.73:80
tcp 1.1.1.125:54604  10.88.82.102:54604    209.107.203.73:80     209.107.203.73:80
tcp 1.1.1.125:54605  10.88.82.102:54605    209.107.203.73:80     209.107.203.73:80
tcp 1.1.1.125:54609  10.88.82.102:54609    209.107.203.64:80     209.107.203.64:80
tcp 1.1.1.125:54612  10.88.82.102:54612    192.0.76.3:80         192.0.76.3:80
tcp 1.1.1.125:54622  10.88.82.102:54622    209.94.144.19:80      209.94.144.19:80
tcp 1.1.1.125:54624  10.88.82.102:54624    74.125.130.155:80     74.125.130.155:80
tcp 1.1.1.125:54641  10.88.82.102:54641    184.50.3.157:80       184.50.3.157:80
tcp 1.1.1.125:54650  10.88.82.102:54650    74.125.68.95:80       74.125.68.95:80
tcp 1.1.1.125:54692  10.88.82.102:54692    50.97.236.99:443      50.97.236.99:443
tcp 1.1.1.125:54716  10.88.82.102:54716    209.107.203.35:80     209.107.203.35:80
tcp 1.1.1.125:54750  10.88.82.102:54750    31.13.70.1:443        31.13.70.1:443
tcp 1.1.1.125:54751  10.88.82.102:54751    184.169.133.229:80    184.169.133.229:80
tcp 1.1.1.125:54752  10.88.82.102:54752    74.217.78.212:80      74.217.78.212:80
tcp 1.1.1.125:54755  10.88.82.102:54755    54.65.94.147:80       54.65.94.147:80
tcp 1.1.1.125:54763  10.88.82.102:54763    209.107.203.64:80     209.107.203.64:80
tcp 1.1.1.125:54765  10.88.82.102:54765    54.148.30.72:80       54.148.30.72:80
tcp 1.1.1.125:54770  10.88.82.102:54770    54.69.229.229:80      54.69.229.229:80
tcp 1.1.1.125:54776  10.88.82.102:54776    54.236.153.167:80     54.236.153.167:80
tcp 1.1.1.125:54791  10.88.82.102:54791    50.97.236.98:80       50.97.236.98:80
tcp 1.1.1.125:54796  10.88.82.102:54796    199.59.150.10:443     199.59.150.10:443
tcp 1.1.1.125:54800  10.88.82.102:54800    54.236.178.88:80      54.236.178.88:80
tcp 1.1.1.125:54802  10.88.82.102:54802    31.13.70.12:80        31.13.70.12:80
tcp 1.1.1.125:54808  10.88.82.102:54808    54.69.42.149:80       54.69.42.149:80
tcp 1.1.1.125:54816  10.88.82.102:54816    204.144.141.22:80     204.144.141.22:80
tcp 1.1.1.125:54820  10.88.82.102:54820    204.144.140.26:80     204.144.140.26:80
tcp 1.1.1.125:54824  10.88.82.102:54824    50.18.52.21:80        50.18.52.21:80
tcp 1.1.1.125:54829  10.88.82.102:54829    54.235.201.181:80     54.235.201.181:80
tcp 1.1.1.125:54855  10.88.82.102:54855    216.58.211.35:80      216.58.211.35:80
tcp 1.1.1.125:54860  10.88.82.102:54860    74.125.224.111:80     74.125.224.111:80
tcp 1.1.1.125:54862  10.88.82.102:54862    72.21.91.109:80       72.21.91.109:80
tcp 1.1.1.125:54863  10.88.82.102:54863    72.21.91.109:80       72.21.91.109:80
tcp 1.1.1.125:54864  10.88.82.102:54864    68.67.128.67:80       68.67.128.67:80
tcp 1.1.1.125:54865  10.88.82.102:54865    173.194.117.90:80     173.194.117.90:80
tcp 1.1.1.125:54866  10.88.82.102:54866    173.194.117.90:80     173.194.117.90:80
tcp 1.1.1.125:54870  10.88.82.102:54870    192.33.31.101:80      192.33.31.101:80
tcp 1.1.1.125:54871  10.88.82.102:54871    192.33.31.101:80      192.33.31.101:80
tcp 1.1.1.125:54872  10.88.82.102:54872    192.33.31.101:80      192.33.31.101:80
tcp 1.1.1.125:54875  10.88.82.102:54875    192.33.31.101:80      192.33.31.101:80
tcp 1.1.1.125:54876  10.88.82.102:54876    192.33.31.101:80      192.33.31.101:80
tcp 1.1.1.125:54877  10.88.82.102:54877    192.33.31.101:80      192.33.31.101:80
tcp 1.1.1.125:54878  10.88.82.102:54878    192.33.31.101:80      192.33.31.101:80
tcp 1.1.1.125:54879  10.88.82.102:54879    192.33.31.101:80      192.33.31.101:80
tcp 1.1.1.125:54880  10.88.82.102:54880    192.33.31.101:80      192.33.31.101:80
tcp 1.1.1.125:54881  10.88.82.102:54881    192.33.31.101:80      192.33.31.101:80
tcp 1.1.1.125:54882  10.88.82.102:54882    192.33.31.101:80      192.33.31.101:80
tcp 1.1.1.125:54883  10.88.82.102:54883    192.33.31.101:80      192.33.31.101:80
tcp 1.1.1.125:54884  10.88.82.102:54884    192.33.31.101:80      192.33.31.101:80
tcp 1.1.1.125:54888  10.88.82.102:54888    74.125.130.154:80     74.125.130.154:80
tcp 1.1.1.125:54889  10.88.82.102:54889    66.235.138.211:80     66.235.138.211:80
tcp 1.1.1.125:54899  10.88.82.102:54899    192.33.31.101:80      192.33.31.101:80
tcp 1.1.1.125:54900  10.88.82.102:54900    192.33.31.101:80      192.33.31.101:80
tcp 1.1.1.125:54901  10.88.82.102:54901    162.209.46.246:80     162.209.46.246:80
tcp 1.1.1.125:54902  10.88.82.102:54902    192.33.31.101:80      192.33.31.101:80
tcp 1.1.1.125:54903  10.88.82.102:54903    162.209.46.246:80     162.209.46.246:80
tcp 1.1.1.125:54904  10.88.82.102:54904    74.125.130.154:80     74.125.130.154:80
tcp 1.1.1.125:54905  10.88.82.102:54905    173.194.117.90:80     173.194.117.90:80
tcp 1.1.1.125:54906  10.88.82.102:54906    173.194.117.90:80     173.194.117.90:80
udp 1.1.1.125:62438  10.88.82.102:62438    4.2.2.2:53            4.2.2.2:53
udp 1.1.1.125:53644  10.88.83.32:53644     4.2.2.2:53            4.2.2.2:53
udp 1.1.1.125:53754  10.88.83.32:53754     4.2.2.2:53            4.2.2.2:53
udp 1.1.1.125:55451  10.88.83.32:55451     4.2.2.2:53            4.2.2.2:53
udp 1.1.1.125:55635  10.88.83.32:55635     4.2.2.2:53            4.2.2.2:53
tcp 1.1.1.125:61062  10.88.83.33:61062     37.48.93.217:5938     37.48.93.217:5938

a bump. Hope someone could help. :(

AllertGen
Level 3
Level 3

Hello, .

Change your nat line to "ip nat inside source static 10.88.82.27 1.1.1.125", because your external interface is not .126. (I hope you not DoSing your neigbour :) )

Best Regards.

Hi Sir AllertGen, 

 

Thanks for the reply!

We did consider that, but we do have a lot of public ip addresses, and we want that this particular server will have its own public ip address, different from the external interface ip address.

Will there be a way?

Hi, Geoffrey Wong.

Yes, you can do so. Place another IP address as secondary to the GE2 interface. You can use line:

(config-if)# ip address 10.1.1.126 255.255.255.0 secondary

After this you can put this secondary address to your NAT command.

hey wow, thanks for this. I didn't know this. will configure this when we're not in production. If this will work, will come back here to label your reply as correct answer. haha. thanks very much!

Hi,

 

interface GigabitEthernet2
 description WAN - Internet DSL
 ip address 1.1.1.125 255.255.255.0
 ip nat outside
 
add 
ip nat enable
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