03-14-2008 02:06 PM - edited 03-03-2019 09:08 PM
I have exchange server internal address 192.168.150.253 addressed to external address 67.107.17.133. I am recieving emails but when sending, it looks like it is using .130 address (pool). How can I force it to go out .133 I have tried ip nat inside source static tcp 192.168.150.253 25 67.107.17.133 25
03-14-2008 04:23 PM
Hi
Could you post your config as it's a bit difficult to say based on what you have put. What do you see when you do a
"sh ip nat translations" on the router ?
Jon
03-14-2008 04:30 PM
03-14-2008 04:36 PM
Okay, don't thank me just yet as we haven't fixed it.
Excerpt from your posted ouput
tcp 67.107.17.133:25 192.168.150.253:25 72.74.6.241:50251 72.74.6.241:50251
tcp 67.107.17.133:25 192.168.150.253:25 72.252.51.95:50505 72.252.51.95:50505
tcp 67.107.17.133:25 192.168.150.253:25 74.127.3.109:58827 74.127.3.109:58827
tcp 67.107.17.133:25 192.168.150.253:25 78.174.3.75:1449 78.174.3.75:1449
tcp 67.107.17.133:25 192.168.150.253:25 85.16.92.147:1829 85.16.92.147:1829
tcp 67.107.17.133:25 192.168.150.253:25 85.96.78.246:3540 85.96.78.246:3540
tcp 67.107.17.133:25 192.168.150.253:25 85.96.78.246:3543 85.96.78.246:3543
As you can see your mail server IP address is getting translated to .133. I can't find any translations in your output that show 192.168.150.253 getting translated to the .130 address.
Can you post config.
Also how have you verified that the mail server is going out as .130 ?
Jon
03-14-2008 04:44 PM
When I send an email and show full headers it is saying that it comes from .130 My DNS is setup for reverse and ptf record .133. When aol recieves email from .130 and then does a lookup to .133 it denies the email. .130 address is the nat pool overload. Again thanks.
03-14-2008 04:50 PM
03-15-2008 08:54 PM
Hi,
Your server 192.168.150.253. is translated to 67.107.17.130 for traffics other than HTTP and HTTPS.
You need to add this line...
ip nat inside source static tcp 192.168.150.253 smtp 67.107.17.133 smtp extendable
Regards,
Dandy
03-17-2008 09:44 AM
How much different using the smtp vs. 25. I tried the cli command ip nat inside source static tcp 192.168.150.253 25 67.107.17.133 25
03-28-2008 03:43 AM
Hello friends,
when I tested my smtp server behind cisco router 2811 I did this
220 oamex02.oam.ca Microsoft ESMTP MAIL Service, Version: 6.0.3790.3959 ready at
Fri, 28 Mar 2008 06:36:17 -0400
HELO oam.ca
501 5.5.4 Invalid Address
helo oam.ca
250 oamex02.oam.ca Hello [172.15.20.87]
mail from: fdarwazeh@oam.ca
250 2.1.0 fdarwazeh@oam.ca....Sender OK
rcpt to: firaselect@yahoo.com
500 5.3.3 Unrecognized command
rcpt to:firaselect@gmail.com
550 5.7.1 Unable to relay for firaselect@gmail.com
and part of the configuration on my router regarding the SMTP
ip nat inside source route-map SDM_RMAP_1 interface Vlan1 overload
ip nat inside source static tcp 10.1.1.5 25 interface Vlan1 25
full configuration on the router
interface Vlan1
description DSL2
ip address 209.x.x.X 255.255.255.248
no ip unreachables
ip nat outside
ip virtual-reassembly
no mop enabled
crypto map yyyyyyyy
interface FastEthernet0/1
description Internal LAN$FW_INSIDE$$ETH-LAN$
ip address xxxxxxx.1 255.255.255.0
no ip unreachables
ip nat inside
ip virtual-reassembly
duplex auto
speed auto
no mop enabled
what is the right configuration that makes the incomming smtp successfully tested
03-28-2008 03:53 AM
regarding full configuration
aaa new-model
!
!
aaa group server radius VPNClient
server-private x.x.x.2 auth-port 1yy5 acct-port 1yy6 key
30017
!
aaa authentication ppp default local
aaa authorization network default if-authenticated
!
aaa session-id common
!
resource policy
!
no ip source-route
!
!
ip cef
!
!
no ip bootp server
no ip domain lookup
ip domain name headcan.com
ip inspect name ALLOWED tcp
ip inspect name ALLOWED udp
ip ips notify SDEE
vpdn enable
!
interface FastEthernet0/1
description Internal LAN$FW_INSIDE$$ETH-LAN$
ip address 10.1.1.1 255.255.255.0
no ip unreachables
ip nat inside
ip virtual-reassembly
duplex auto
speed auto
no mop enabled
!
interface FastEthernet0/2/0
!
interface FastEthernet0/2/1
!
interface FastEthernet0/2/2
!
interface FastEthernet0/2/3
!
interface Virtual-Template1
ip unnumbered Vlan1
ip mroute-cache
peer default ip address pool dial-in
ppp encrypt mppe auto
ppp authentication chap pap ms-chap mschap-v2
!
interface Vlan1
description DSL2
ip address 209.z.z.130 255.255.255.248
no ip unreachables
ip nat outside
ip virtual-reassembly
no mop enabled
crypto map zzzzzzz
ip route 0.0.0.0 0.0.0.0 209.x.x.129
ip http server
ip http authentication local
no ip http secure-server
ip http timeout-policy idle 600 life 86400 requests 10000
ip nat inside source static tcp z.z.z.5 443 interface Vlan1 443
ip nat inside source static tcp z.z.z.5 143 interface Vlan1 143
ip nat inside source static tcp z.z.z.5 80 interface Vlan1 80
ip nat inside source static tcp z.z.z.5 110 interface Vlan1 110
ip nat inside source static tcp z.z.z.5 25 interface Vlan1 25
ip nat inside source route-map zzzzzz interface Vlan1 overload
ip nat inside source static tcp z.z.z.5 3389 interface Vlan1 3389
03-28-2008 09:50 AM
Greetings to all. Just got off the phone with cisco. Problem is 2 fold. There is a nat issue with pre 12.13 IOS as well as the new 12.14. Also, Nat was getting overloaded because of a possible dos attack using netbios.
03-29-2008 08:56 AM
Thanks for the info but what is the solution for my problem in this case?
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