PIX v6.3 Site-to-Site with policy NAT
Hi guys,.
I need to set up a site to site with nat because we have overlapping subnet at the other end.
They need access to both servers on our network with IP static.
Site A: 192.168.100.0/24
Site b: 192.168.200.128/25
The other site has chosen this network for NAT: 10.200.50.0/28
I need to translate
192.168.100.10 > 10.200.50.2
192.168.100.20 > 10.200.50.3
through the tunnel
That's what I've done so far, will this work? Any problem that may appear with this config?
Crypto ACL:
VPN ip 10.200.50.0 access list allow 255.255.255.240 192.168.200.128 255.255.255.128
Policy_NAT1 list of allowed access host ip of 192.168.100.10 192.168.200.128 255.255.255.128
Policy_NAT2 list of allowed access host ip 192.168.100.20 192.168.200.128 255.255.255.128
NAT (inside) 10 access-list Policy_NAT1 0 0
NAT (inside) 11 access-list Policy_NAT2 0 0
overall 10 10.200.50.2 (outside)
Overall 11 10.200.50.3 (outside)
Thanks in advance!
Hello
Your configuration looks very good.
Although I guess it's a dynamic configuration policy NAT/PAT.
Incase you want to configure static policy NAT, you need to change a bit. I mean if you wanted a NAT configuration allowing to form bidirectional connection. Both from your site to the remote site and the remote site to your side. You can always use the same ACL you have configured, but you would use the "static" configurations.
public static 10.200.50.2 (inside, outside) - Policy_NAT1 access list
public static 10.200.50.3 (inside, outside) - Policy_NAT2 access list
Review with the static NAT to politics and the dynamic policy NAT/PAT which would be if these hosts have static NAT configured at the direction of the 'outside' interface while static NAT would cancel both of these configurations.
If you use the political dynamic NAT and had also a static NAT for the host, then you would have to change from the above static NAT in a policy to override the static NAT.
And with the foregoing in mind possible existing static NAT and new static NAT of policy might have some problems as a whole. In this case the scheduling of NAT rules would determine if static NAT of the policy has been applied already. If you already had the configured static NAT then it would nullify the political new static NAT:. The solution would be to remove the static NAT and enter it again. This would move the static NAT once the static NAT to policy in the order that they appear on the CLI format configuration and, therefore, static political NAT would work for the specified destination and addresses the static NAT for all other destination addresses.
Hope I made any sense
Feel free to ask more if necessary while
-Jouni
Tags: Cisco Security
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context of prompt hostnameCurrently, traffic that originates on 192.168.190.0/24 generates no traffic phase 1. However, if the traffic is coming in FRO the side remote (66.18.106.160/27) the tunnel arrives, but no traffic passes.
Although this isn't my area of expertise, it seems to me that my ASA is not 'see' interesting traffic from 192.168.190.0/24 will 66.18.106.160/27.
Any help you could provide would be GREATLY appreciated.
Just remove the 2 following lines:
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/ * Style definitions * / table. MsoNormalTable {mso-style-name : « Table Normal » ; mso-tstyle-rowband-taille : 0 ; mso-tstyle-colband-taille : 0 ; mso-style-noshow:yes ; mso-style-priorité : 99 ; mso-style-qformat:yes ; mso-style-parent : » « ;" mso-rembourrage-alt : 0 cm 5.4pt cm 0 5.4pt ; mso-para-margin : 0 cm ; mso-para-marge-bottom : .0001pt ; mso-pagination : widow-orphelin ; police-taille : 11.0pt ; famille de police : « Calibri », « sans-serif » ; mso-ascii-font-family : Calibri ; mso-ascii-theme-font : minor-latin ; mso-fareast-font-family : « Times New Roman » ; mso-fareast-theme-font : minor-fareast ; mso-hansi-font-family : Calibri ; mso-hansi-theme-font : minor-latin ; mso-bidi-font-family : « Times New Roman » ; mso-bidi-theme-font : minor-bidi ;}
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In what order are the numbers of seqence card crypto for configuring vpn on pix distance units? It could be that you are trying to install is a lot and will be checked later as head of pix. If this is the case, then yes the 172.18/16 road prevail the 172.18.107/24. Try to rebuild the entrance card crypto with a lower number so that traffic to 172.18.107/24 comes first.
I would like to know how it works.
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IP check path reverse interface internet2-outside
IP check path reverse interface interface-dmz
IP check path opposite campus-lan interface
IP check path reverse interface CSC-MGMT
no failover
ICMP unreachable rate-limit 1 burst-size 1
ASDM image disk0: / asdm - 621.bin
don't allow no asdm history
ARP timeout 14400
interface of global (internet1-outside) 1
interface of global (internet2-outside) 1
NAT (campus-lan) 0-campus-lan_nat0_outbound access list
NAT (campus-lan) 1 0.0.0.0 0.0.0.0
NAT (CSC-MGMT) 1 10.0.0.5 255.255.255.255
static (CSC-MGMT, internet2-outside) 2.2.2.3 10.0.0.5 netmask 255.255.255.255
Access-group INTERNET2-IN interface internet1-outside
group-access INTERNET1-IN interface internet2-outside
group-access CAMPUS-LAN in campus-lan interface
CSC-OUT access-group in SCC-MGMT interface
Internet2-outside route 0.0.0.0 0.0.0.0 2.2.2.5 1
Route internet1-outside 0.0.0.0 0.0.0.0 1.1.1.5 2
Timeout xlate 03:00
Timeout conn 01:00 half-closed 0:10:00 udp 0:02:00 icmp 0:00:02
Sunrpc timeout 0:10:00 h323 0:05:00 h225 mgcp from 01:00 0:05:00 mgcp-pat 0:05:00
Sip timeout 0:30:00 sip_media 0:02:00 prompt Protocol sip-0: 03:00 sip - disconnect 0:02:00
Timeout sip-provisional-media 0:02:00 uauth 0:05:00 absolute
timeout tcp-proxy-reassembly 0:01:00
dynamic-access-policy-registration DfltAccessPolicy
the ssh LOCAL console AAA authentication
AAA authentication enable LOCAL console
Enable http server
http 10.0.0.2 255.255.255.255 CSC-MGMT
http 10.0.0.8 255.255.255.255 CSC-MGMT
HTTP 1.2.2.2 255.255.255.255 internet2-outside
HTTP 1.2.2.2 255.255.255.255 internet1-outside
No snmp server location
No snmp Server contact
Server enable SNMP traps snmp authentication linkup, linkdown cold start
Crypto ipsec transform-set esp-SHA-ESP-3DES-3des esp-sha-hmac
Crypto ipsec transform-set ESP-AES-256-MD5 esp-aes-256 esp-md5-hmac
Crypto ipsec transform-set ESP-DES-SHA esp - esp-sha-hmac
Crypto ipsec transform-set ESP-DES-MD5 esp - esp-md5-hmac
Crypto ipsec transform-set ESP-AES-192-MD5 esp-aes-192 esp-md5-hmac
Crypto ipsec transform-set ESP-3DES-MD5-esp-3des esp-md5-hmac
Crypto ipsec transform-set ESP-AES-256-SHA 256 - aes - esp esp-sha-hmac
Crypto ipsec transform-set ESP-AES-128-SHA aes - esp esp-sha-hmac
Crypto ipsec transform-set ESP-AES-192-SHA esp-aes-192 esp-sha-hmac
Crypto ipsec transform-set ESP-AES-128-MD5-esp - aes esp-md5-hmac
life crypto ipsec security association seconds 28800
Crypto ipsec kilobytes of life - safety 4608000 association
crypto dynamic-map SYSTEM_DEFAULT_CRYPTO_MAP 65535 pfs set group5
Crypto dynamic-map SYSTEM_DEFAULT_CRYPTO_MAP 65535 value transform-set ESP-AES-128-SHA ESP-AES-128-MD5 ESP-AES-192-SHA ESP-AES-192-MD5 ESP-AES-256-SHA ESP-AES-256-MD5 ESP-3DES-SHA MD5-ESP-3DES ESP-DES-SHA ESP-DES-MD5
Crypto map internet2-outside_map 65535-isakmp dynamic ipsec SYSTEM_DEFAULT_CRYPTO_MAP
crypto internet2-outside_map outside internet2 network interface card
Crypto ca trustpoint _SmartCallHome_ServerCA
Configure CRL
Crypto ca certificate chain _SmartCallHome_ServerCA
certificate ca xyzxyzxyzyxzxyzxyzxyzxxyzyxzyxzy
a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as
a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as
a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as
a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as
a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as
a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as
a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as
a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as
a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as
a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as
a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as
a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as
a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as
a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as a67a897as
a67a897as a67a897as a67a897as a67a897as a67a897as
quit smoking
ISAKMP crypto enable internet2-outside
crypto ISAKMP policy 10
preshared authentication
aes encryption
md5 hash
Group 2
life 86400
Telnet 10.0.0.2 255.255.255.255 CSC-MGMT
Telnet 10.0.0.8 255.255.255.255 CSC-MGMT
Telnet timeout 5
SSH 1.2.3.3 255.255.255.240 internet1-outside
SSH 1.2.2.2 255.255.255.255 internet1-outside
SSH 1.2.2.2 255.255.255.255 internet2-outside
SSH timeout 5
Console timeout 0
a basic threat threat detection
Statistics-list of access threat detection
no statistical threat detection tcp-interception
WebVPN
internal VPN_TG_1 group policy
VPN_TG_1 group policy attributes
Protocol-tunnel-VPN IPSec
username ssochelpdesk encrypted password privilege 15 xxxxxxxxxxxxxx
privilege of encrypted password username administrator 15 xxxxxxxxxxxxxx
username vpnuser1 encrypted password privilege 0 xxxxxxxxxxxxxx
username vpnuser1 attributes
VPN-group-policy VPN_TG_1
type tunnel-group VPN_TG_1 remote access
attributes global-tunnel-group VPN_TG_1
address vpnpool1 pool
Group Policy - by default-VPN_TG_1
IPSec-attributes tunnel-group VPN_TG_1
pre-shared-key *.
!
class-map cmap-DNS
matches the access list DNS-inspect
CCS-class class-map
corresponds to the CSC - acl access list
!
!
type of policy-card inspect dns preset_dns_map
parameters
message-length maximum 512
Policy-map global_policy
CCS category
CSC help
cmap-DNS class
inspect the preset_dns_map dns
!
global service-policy global_policy
context of prompt hostname
Cryptochecksum: y0y0y0y0y0y0y0y0y0y0y0y0y0y
: end
Adding dynamic NAT for 192.168.150.0/24 on the external interface works, or works the sysopt connection permit VPN
Please tell what to do here, to pin all of the traffic Internet from VPN Clients.
That is, that I need clients connected via VPN tunnel, when connected to the internet, should have their addresses IP NAT'ted against the address of outside internet2 network 2.2.2.2 interface, as it happens for the customers of Campus (172.16.0.0/16)
I am well aware of all involved in here, so please be elaborative in your answers. Please let me know if you need more information about this configuration to respond to my request.
Thank you & best regards
MAXS
Hello
If possible, I'd like to see that a TCP connection attempt (e.g. http://www.google.com) in the ASDM logging of the VPN Client when you set up the dynamic NAT for the VPN Pool also.
I'll try also the command "packet - trace" on the SAA, while the VPN Client is connected to the ASA.
The command format is
packet-tracer intput tcp
That should tell what the SAA for this kind of package entering its "input" interface
Still can not see something wrong with the configuration (other than the statement of "nat" missing Dynamics PAT)
-Jouni
-
Site to Site with the subnets overlap
Hi all
Search for comfirmation on what is / is not possible. In short, we have a requirement of site but our local LAN varies from conflict. I am aware of how this get up and running with the help of a pool of IP addresses that is a basic ASA/IOS device can NAT behind but I wonder if it is possible to NAT behind a single IP address. NAT is also in place for the general internet traffic, but I hope that the image attached best describes our scenario.
Any help / advice appreciated.
Kind regards
Martyn
Hello
You will need to do NAT on both ends to get the installation work.
With these types of configurations, I more often just a 24 natted network to 24 another network on both sites.
You can configure one of the sites use a PAT address towards the other end, but the other end must have protected by some sort of NAT static between the hosts unique or equal to 24 networks.
If you would happen to configure both sites with a PAT translation, you couldn't really initiate connections between the site because no real host on networks 192.168.1.0/24 would have their own specific NAT IP to connect to.
So in short
- Both sites need NAT network
- Use 1:1 NAT static is between host addresses or complete networks on both sites
- The two sites could start the connection to any host on the remote end every single host has its own IP NAT staticly assigned address
- Use of PAT for site and other NAT static 1:1 with the addresses of host or complete networks on the other site
- Site with unique PAT IP address can connect to all hosts of remote sites, since they have staticly NAT IP addresses assigned.
- Homepage is not able to connect to any host at his remote site that the remote site has only a PAT address facing their way.
If you had 2 ASAs with 8.2 or UNDER software your static NAT configurations could be e.g.
Basic information
- Site1: 192.168.1.0/24
- Site1 NAT: 10.10.1.0/24
- Site2: 192.168.1.0/24
- Site2 NAT: 10.10.2.0/24
Static configuration NAT of policy site1
permit L2L-VPN-POLICYNAT from the list of access ip 192.168.1.0 255.255.255.0 10.10.2.0 255.255.255.0
public static (inside, outside) 10.10.1.0 - L2L-VPN-POLICYNAT access list
Static configuration NAT of policy site2
permit L2L-VPN-POLICYNAT from the list of access ip 192.168.1.0 255.255.255.0 10.10.1.0 255.255.255.0
public static (inside, outside) 10.10.2.0 - L2L-VPN-POLICYNAT access list
PAT configuration at each end
permit L2L-VPN-POLICYPAT from the list of access ip 192.168.1.0 255.255.255.0 10.10.x.0 255.255.255.0
Global 10.10.x.1 of xxx (outside)
NAT (inside) xxx access-list L2L-VPN-POLICYPAT
If you had 2 ASAs with 8.3 or above software your static NAT configurations could be for example (same information base)
Static configuration NAT of policy site1
the object of the LAN network
subnet 192.168.1.0 255.255.255.0
network of the LAN - NAT object
10.10.1.0 subnet 255.255.255.0
network of the REMOTE object
255.255.255.0 subnet 10.10.2.0
static (inside, outside) 1 static source LAN LAN - NAT static destination REMOTE
Static configuration NAT of policy site2
the object of the LAN network
subnet 192.168.1.0 255.255.255.0
network of the LAN - NAT object
255.255.255.0 subnet 10.10.2.0
network of the REMOTE object
10.10.1.0 subnet 255.255.255.0
static (inside, outside) 1 static source LAN LAN - NAT static destination REMOTE
PAT configuration at each end
the object of the LAN network
subnet 192.168.1.0 255.255.255.0
network of the LAN-PAT object
Home 10.10.x.1
network of the REMOTE object
10.10.x.0 subnet 255.255.255.0
static (inside, outside) 1 dynamic source LAN LAN-PAT destination static REMOTE
-Jouni
-
VPN site to Site with the IP address range internal Natting?
This is our real internal LAN address: 10.40.120.0/26 (internal range) and I want to translate to
Translated the address: 10.254.9.64.255.255.255.192 (Internal)
Our remote local address is: 10.254.5.64 site 255.255.255.192(Remote adresse Ip interne ajouter plage)
Based on the above parameters I did this configuration
outside_cryptomap ip 10.254.9.64 access list allow 255.255.255.192 10.254.5.64 255.255.255.192
policy-nat of ip 10.40.120.0 access list allow 255.255.255.192 10.254.5.64 255.255.255.192
public static 10.254.9.64 (inside, outside) - list of access policy-natI had all the phase 1 and Phase 2 required parameters and add public ip peer.
I had set up vpn by using ASDM before but this scenario is new for me, all I was wondering is there anything I need to properly configure Setup VPN
If you see TX increases but not RX which means that traffic is sent to the remote end however there is no response.
I suggest that you check with the remote end of VPN to see where is the problem. It is very probably the remote side.
-
How to check my site from https to the Web site with you? The warning triangle should disappear.
www.needlepointnow.com has a caution symbol triangle it's https address.
What are the steps to verify my site with firefox? Keep in mind I'm not SHE but a humble Designer. So step by step please.This must be resolved so that our readers feel secure renewing subscriptions.
Your site is currently using TLS 1.0, which is obsolete and unsafe. You must upgrade to TLS 1.2 or later
-
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Since 35.0 and especially I get odd behavior on sites with CloudFlare DDoS protection.
When I open the site in a new window, it really takes a lot of time and sometimes nothing appears and gives me a blank page. and now that she just started saying 'New tab' and I can't hit refresh.
When the site loads actually after 20 attempts something, the site is lag, any action takes more than 20 seconds.
When I try to open something, I have a blank page with the URL to tabs. Whenever I try like or post anything, it delays of 15 to 20 seconds.
The site I'm trying to use with a lot of failure. http://hypixel.NET/
Anyone else having this problem?
Have you installed incredibar yourself? Do you want only it? I really think it's that slow you down.
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Impossible to search once the site with firefox
I find a site with Firefox, once I'm there, I get those pop ups, even though I have a pop-up blocker on, and I can not search the site. For example, Harbor Freight tools. I get on the site and then impossible to search the site. It might be their site that's the problem, but I'm not sure. Moreover, how is it that when I download a new version of your software, all that junk happens, as the optimizer Pro, or some other stuff, I have no need. I go back and take most of it, because it of annoying and slows things down. Thank you.
Hello, just download firefox from the official site at mozilla.org - more updates are handled automatically by firefox if you don't have to download anything (you can run a check of updates of firefox > help > about firefox).
You can also run a full scan of your system with software security already in place and the various tools like the free version of malwarebytes, adwcleaner & kaspersky security scan to make sure there isn't already a kind of active malware on your system that triggers these false alerts.
-
Hello, I am writing because I have a few problems with my favorite browser after update to 8.1 Windows. Here are some details. I've updated Windows 8.0 Windows 8.1, since Firefox run a bit oddly. In particular, when on sites with lots of images like Facebook. It's as if there is some sort of effect of Flikr between the office and the images, as well as between the images and the browser (a bit like old flikering of 16-bit video games). It's not too bad, but it's a question. I tried to reset firefox and restart the computer. I have not tried a repair, and I haven't done an uninstall.
Hello, disable hardware acceleration in firefox should a restart of the application is taken into account. have you tried that too?
Please also see if there is an available update your graphics drivers ...
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When I go on youTube and click on a video, I get a black screen with controls and an arrow of beginning in the middle. When I click on the arrow to start, no video only comes up... just the statement: "year error occurred." Please try again later. "Same thing on other sites with videos. They will not play. Another site with videos, he says that the player will not load.
I cleared the cache, cookies, downloaded the new 14 beta version of firefox, tried to download an old version of Adobe Flash Player (11). I had Firefox v13.
Nothing has changed so far. I hope someone can help with this. All these sites and videos work fine when I use Internet Explorer.There are a few compatibility problems between the latest Flash Player (11.3) and some settings or Firefox Add-ons. Could see you if anything in this article helps you: 11.3 Flash does not load video in Firefox.
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Out of the blue my sites with webcams, be they ustream or otherwise, will not leak the cam. It is empty. They fine streaming in internet explore. I read something on filters, but I don't think we've changed anything and I do not know how to find if there is a filter on or not. Here is an example of a site.
Thank you all. It took about 5 tries to install and uninstall adobe flashplayer before I find that real player is mess up and I had to pass some things on RealPlayer. I have the cams on Firefox, but cannot get them on IE. Don't want to spoil a good thing on Firefox. I think that I accepted an update on Adobe. I'll be scared to do now! Thanks again. Very useful for pointing me in the right direction. It is quite frustrating.
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Have Windows 7 running on Parallels Desktop with a Mac. Get "setup.exe is not a valid Win32 application" when trying to download a program with Windows Explorer. I can download from these sites with Vista and XP with other computers. Now, I can't download the programs that are supposed to solve the problem! including FoxFire
Try to download from this site:
- Firefox 8.0.x: http://www.mozilla.com/en-US/firefox/all.html
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