Cisco Firewall :: ASA 5520 / Establishing L2L VPN With Remote Site?
Jan 9, 2012
I am having an issue with establishing L2L VPN with remote site. My side is cisco asa 5520 and other side is check point UTM-- tunnel is not up.just wnated to confirm on my sidde if the configuration is OK.al the parameters using are correct for both side. any issue with below conf ? default route is pointing to my next GW address is there additiona default is required for VPN ? to reach the remote LAN somthing like pointing to remote peer address.to give a brief idea front end device is router as GW wher in internet is terminated and other wan connections ASA is behind ther GW rtr and outside int of asa and lan interface of GW rtr is having public ip. LAN switch is connected to ASA
access-list insideinterface_nat0_outbound extended permit ip 192.168.36.0 255.255.255.0 10.34.12.0 255.255.254.0
access-list outsideinterface_cryptomap_40 extended permit ip 192.168.36.0 255.255.255.0 10.34.12.0 255.255.254.0
nat (insideinterface) 0 access-list insideinterface_nat0_outbound
crypto ipsec transform-set ESP-3DES-SHA esp-3des esp-sha-hmac
crypto ipsec transform-set ESP-3DES-MD5 esp-3des esp-md5-hmac
[code]....
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Jun 17, 2012
We have ordered a pair of Cisco ASA5520 (ASA5520-BUN-K9).Now there is a requirement to terminate site-to-site VPN from remote site. Do we need VPN plus licence for this and how much it cost?
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Oct 29, 2011
We have a site-site and remote vpn configured in same interface in ASA 5520 ( software version 8.3 ). When Remote vpn users try to connect to computers located on the distant end of site-site VPN, their request failed. I tried No-Nat between remote vpn private IP to the remote site private IP, also stated the same in Split tunneling. I cant find even the tracert, ping also timed out.
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Jan 13, 2012
I have recently bought two CISCO routers RV220W for our main and brach office mainly for VPN tunneling. I didnt know they are routers only not modems. so I have set it up using BT 2wire Router as modem only.
I have successfuly setup the routers and manage to establish the VPN tunneling between two routers. AS bt doesnt give static WAN IP address so I have used Dyndns which works fine. although I have 5 static ip address which cannot be used for WAN unless i cahnge to one IP address even then BT tech said it will not work.
when I created the tunnel i could ping both servers with their IP only not with the names. I can ping them fine locally. I could also see the network from branch office to main office but not from main office to branch office. today when I restarted the server I cannot ping both server i mean vice versa but VPN tunnel is established. now I cannot see the network from branch office to main office as well.
Both sites running windows server 2008 standard. main office server has 6 NIC cards two wwith public and three with private ip addresses, its also runing Terminal server, exchange, file etc. the branch office has two NIC card one with private and one with public ip. Intially I could establish the VPN tunnel as the network range was same on both sites so I changed one in th e10.0.0.0 range other in 192.168.1.0 range and VPN tunnel was established straightaway.
As soon as the VPN tunnel was created I manage to creat an external trust without any problems and both servers are added in each other forward zones as name servers.
in the main office the fues went off and I had to re-start the router and now the VPN tunnel is not establishing, mainly the error is ISAKMP-SA Expired I will paste the log of both routers below
1. How to Clear Old or Existing Security Associations (Tunnels) on RV220W
2. how to fix the problem where I can ping the server with their IP as well as domain names ?
3. how to set it up so that both sides can see the network resources as well as access it ?
4. how to set it up so if the staff in branch office wants to log on the domain in main office he can simply do it as he does it in his office.
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Feb 8, 2012
I am trying to establish a Site-to-Site VPN to our customer. I am using ASA5510 and the customer was using Fortigate 1000A. The problem that we're having was regarding the IKE Phase 2, I think!. Cisco debug information indicates "All IPSec SA proposals found unacceptable!"
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Apr 14, 2013
I have a problem configuring a site to site VPN between two sites, one is an ASA5540 with version 8.2, the other is an ASA5545X with version 9.0 I'll try to include the relevant portions of the configs here... the tunnel will not establish and nothing shows on debug logs that I can find. I know the outside addresses for both work, as clients can connect into both.
ASA5540:
: Saved
:
ASA Version 8.2(5)
object-group network VEYANCE_NET
network-object <ASA5540NetworkObject>
[code].....
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Mar 9, 2011
I am try to configure ASA 5510 with 8.3 IOS version.My internal users are 192.168.2.0/24 and i configured dynamic PAT and are all internet .
i want configure identity NAT for remote access VPN.Remote users IP pool is 10.10.10.0 to 10.10.10.10
i know to configure NAT exemption in IOS 7.2 version. But here IOS 8.3 version. configure NAT exemption for 192.168.2.0/24 to my remote pool( 10.10.10.0 to 10.10.10.10).
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Jan 13, 2012
I have a remote office that currently connects back to a Central data center via Site to Site VPN. I am bringing up a 2nd internet connection as a fall back in the Remote Office. How do I configure the Site to Site VPN to work correctly so that if the primary internet connection goes down, the site fails over to the secondary? On Remote the internet connections are from different providers so they have completely different blocks of public IPs.
Central
ASA 5520 8.0(4)
Gig 0/0 Public IP
Remote
ASA 5520 8.4(1)
Gig 0/0 Public IP
Gig 0/3 Public IP (2nd internet)
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Mar 19, 2013
We have 2 5520 ASA's working in an active/standby function at our central site. The remote agencies have control of their ASA's or other devices able to create VPN tunnels back to the central site. When a new remote agency wants to connect to our central site we assign them a network range that is routable on the central sites network.We ask that the remote agency NAT into the addresses we provided them.This way we are able to route back to them. We assign the interesting traffic and then they we start communicating by way of the tunnel.
Since the central site can't control the traffic coming in on the site to site tunnel other than just defining the interesting traffic AND we aren't able to control the NAT on the remote end how can I put an access list on the central site ASA to allow only certain ports and IP's by way of access list? Ultimately, I'm trying to limit traffic on the central site coming inbound to only allow traffic I want. I tried applying a group policy to the lan2lan site to site tunnel, but it failed for some reason. It actually prevented all traffic. Can I apply a group policy to a site-to-site tunnel?
I'm struggling here a bit as I don't have control of the remote end. They can NAT whatever they want to an address in the range we assigned them. The tunnels interesting traffic is set to full ip to the central site's destination. The interesting traffic on the central site is set the same. However, on the central side...I want to limit that traffic to only certain ports by way of an acl. If it is possible to assign a site-to-site tunnel a group policy and filtering is done in that method, can
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Sep 8, 2012
I have a site-to-site VPN configured between a 5520 at our data center, and a 1700 at a client's site for site-to-site connectivity. What I've noticed is, is that the VPN can only initiate from my Data Center, never from the client router. I can telnet into the router and start a telnet session sourced from the "inside" interface and it fails, yet I can see the NAT translations get created in the state table that should match the crypto-map. However, if I ping a host on the inside of the remote LAN from my workstation (behind the 5520) to bring the tunnel up, and run the exact same command on the client router once the tunnel is up, it works. Right now I have a continuous ping running from my workstation to keep the tunnel up, but obviously that's not the best solution
I had to modify this config to NAT the LAN addresses at the client to a non-overlapping subnet, so anything coming from 128.1.0.0/16 should be NAT'd to 192.168.105.[50-200]/24. I've also got two static NATs for inbound access from the data center and those seem to work fine.
Current configuration : 2787 bytes
!
! No configuration change since last restart
!
version 12.3
service timestamps debug datetime msec
service timestamps log datetime msec
service password-encryption
[code]...
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May 19, 2011
It's been a long time since I played in Cisco CLI.Using a Cisco 506 Firewall 6.3(4) PDM 1.0?Problem is I created a site to site tunnnel with a vendor and since then our remote VPN does not work. Completely times out so I am sure I broke something in the crypto map or something similar.
Tunnel is policy 10 using access-list 101
Remote VPN is Policy 20
Config Below:
: Saved:PIX Version 6.3(4)interface ethernet0 10fullinterface ethernet1 10fullnameif ethernet0 outside security0nameif ethernet1 inside security100enable password XLk0qAaMaA6kjvA6 encryptedpasswd VeCrsQbWdIFPwnny encryptedhostname RMS-DR-PIXdomain-name RMS.Localfixup protocol dns maximum-length 512fixup protocol ftp 21fixup protocol h323 h225 1720fixup protocol h323 ras 1718-1719fixup protocol http 80fixup protocol rsh 514fixup protocol rtsp 554fixup protocol sip 5060fixup protocol sip udp 5060fixup protocol skinny 2000fixup protocol smtp 25fixup protocol sqlnet 1521fixup protocol tftp 69namesobject-group network FTP_Clients description FTP Client PCs network-object host 192.168.xxx.xxx network-object host
[code]....
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Sep 20, 2011
Any step by step guide to setup syslog for site to site VPN.(in ASA 5520)Just send me the step to monitor site to site vpn using that in ASA 5520.
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Mar 12, 2012
I'm having slow performance thru a Site to Site VPN. I have an ASA 5520 in each site with the version 8.2(4) in both ASA's. I have a 20Mb internet service in one side and in the other side I have 50Mb. When I transfer a file from the Sita A to Site B I get a transfer rate of 130KB/S.
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Mar 21, 2012
I have configured vpn filtering on all my l2l vpns. I have restricted access from remote to local resources only to specified ports. It works perfectly.But I want to have also full access from local to remote networks (but still preserve restricted access from remote to local). As I now VPN Filter works bi-directional with a single ACL. So is there some way to open all traffic from local to remote and still restrict remote to local traffic? ASA 5520 8.4(3)
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Feb 20, 2013
I have asa 5520 k8 model presently i am running with IOS version 8.0(4) i am upgrading to 8.2(5) is ? any license required from Cisco to upgrade to this IOS, and also let me know how many site to site vpn can be configure on this device.
Licensed features for this platform:
Maximum Physical Interfaces : Unlimited
Maximum VLANs : 150
Inside Hosts : Unlimited
Failover : Active/Active
[code]...
This platform has an ASA 5520 VPN Plus license. Serial Number: JMX1051K2S5.
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May 18, 2012
I have a requirement to create a site to site vpn tunnel on ASA 5510 from a remote site to my HO, ihave already other site-to-site tunnels are up and running on the ASA.The issue is my remote site has got the network address which falls in one of the subnet used in HO(192.168.10.0/24).My requirement is only My remote site need to accees couple of my servers in HO which is in 192.168.200.0/24 subnet.
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Jun 12, 2012
we are planning on connecting a new aquired company to ours soon?We will connect the remote site to the HQ via a D3. I've been told we will need to have a firewall between them and us for a time. I was thinking of terminating the D3 connection at the remote site of 80 users. Can I use the asr as a firewall as well, to protect the HQ from the Remote site - or should I use a seperate appliance?I was thinking of a asa5505 but, am concerned with bandwidth limitations of the box?
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Jun 13, 2012
The scenario where a Site to Site VPN tunnel has been established between Site A and Site B. Lan on Site A can ping Lan on Site B. My problem is a Printer behind Site B needs to be accessed by using the WAN IP address of Site A. Also i could not ping the remote lan or printer from the router.
Below are my configure on the Cisco 877 in site A.
Building configuration...
Current configuration : 5425 bytes
!
! Last configuration change at 15:09:21 PCTime Fri Jun 15 2012 by admin01
!
version 12.4
no service pad
[code]....
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Oct 11, 2011
cisco products and am struggling getting a VPN going between an ASA 5505 and 5510. I have a VPN created (using the VPN wizward on both) and it shows the VPN is up, but I can't ping the remote site (from either side).
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Mar 6, 2011
i have 2 router asa 5505 with base license i wanna make site to site vpn connection and remote site using vpn client to connect first i have hdsl router with 5 public ip i wanna try it by giving 1 public ip to each router and try the vpn but nothing work?
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Oct 25, 2012
we have a base license ASA 5510, and been trying to get ICMP working to check that we're routing and not hitting any NAT translation. We have a VLAN280 setup to ISP for VPN link to remote site and another VLAN281 for internet access for internal users.
Users can browse internet from (name _inside interface e0/1 access port) which is fine. When I do a ping to remote office through the VPN I get a response pinging from VLAN280 name VPN_Link. When I do a ping from name inside interface I don't get a response both are security level 100 with same-security-traffic permit inter-interface configured.
Config:
!
interface Ethernet0/0
speed 100
no nameif
[Code]....
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Dec 3, 2012
I have two routers on my internal network.
10.10.199.106 is a Cisco ASA5510.
10.10.199.108 is a Sonicwall NSA 3500
The sonicwall handles our site to site VPN tunnels. The Cisco handles our client to site VPN connections.
I have a unit that points to 10.10.199.106 (Cisco) for internet access. All other clients on the network point to 10.10.199.108 (Sonicwall) for internet access.The device in question, a Synology NAS, is using 10.10.199.68 as it's IP address.
I'm trying to hit the web interface on the NAS from a remote site across our VPN tunnel. The IP scheme on the remote end of the VPN tunnel is 192.168.72.0/24.
Going through the VPN, I can hit every object on the network that uses .108 (Sonicwalll) as it's gateway. However, I cannot hit the unit that uses .106 (Cisco) as it's gateway.
I added a route statement (using ASDM) that routes all traffic destined to 192.168.72.0/24 to the Sonicwall so it can send it back down the VPN tunnel. If I'm understanding routing correctly, this should allow responses from NAS destined for 192.168.72.0/24 to go back down the VPN tunnel.
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Nov 8, 2012
I have a working DMVPN solution. I am trying to stand up a secondary DMVPN hub at our disaster recovery site. We are trying to deply to a Dual HUB SIngle DMVPN solution. The HUB2 DMVPN router has an INSIDE trusted interface and has an OUTSIDE UNTRUSTED interface.
The inside is 10.248.11.X...the Untrust/public is 192.168.93.11 which is connected to our DMZ 3 on the ASA 5520.....then I am trying to NAT the 192.168.93.11 to an outside public IP 199.248.30.X....just not working...have had 2 tickets open with Cisco this week and they still are unable to resolve. I am sure it is the ASA5520 is not configured correctly.
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Oct 17, 2011
I have a site to site VPN between SiteA to SiteB which is working fine. SiteA has an ASA5520 and SiteB Pix501. The ASA5520 is running version 804 with split tunneling. Users connect to SiteA using remote access VPN. Is it possible to setup SiteA ASA5520 so that when users connect to SiteA they can access servers located on SiteB through the tunnel? I know i can setup the Pix501 for remote access VPN but it is located in another country and i don't want to take a chance just incase i lose connectivity.
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Apr 16, 2012
i have cisco ASA5520 and i have a remote access vpn .I want to configure logging for this remote access vpn.
i want the time user connected .how log it is connected .If any error while connecting ?
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Aug 19, 2012
we wish to implement IPSec remote access vpn with the condition that employees should be able connect to this vpn only from company issued laptops and not from any other computers. I assume using client side certs is one of the ways to do it but I couldn't find any doc that was really useful. Cisco's documentation seems quite obscure. We are on 8.1 (5520)
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Jun 7, 2011
We have a pair of 5510s and a pair of 5520s, each in Active/Standby mode. I'd like to upgrade the ASDM and ASA software on these, but am finding no documentation that advises on how this can be done without physical access to the devices. It so happens I am on site, but we will be deploying these throughout our network and I'd like to be able to perform this type of maintenance without travelling to each site. We utilize CSM and ASDM to manage these for the most part, but are certainly capable of configuring via CLI.
The issue may be my lack understanding of the ASA fundamentals, but I don't really get how the software can be copied to the individual ASAs of the pair so they may be reloaded and upgraded without outage. With a remote SSH connection to the pair, I'm only copying the software to the Active ASA, correct? Or is there a way to get the software to each disk individually from the single SSH connection? I'm not quite sure how to manage the Standby ASA without consoling into it... If I can indeed remotely get the software to each ASA (copying to different disks?? i.e. disk0: and disk1:?), then I also run into an issue updating the boot statement for each of them individually, though to resolve that I suppose I could just remove the old software, but that seems like bad practice before confirming the new software is ok.If there is a simpler way of deploying new code via ASDM or CSM, I'm certainly open to that.
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Feb 17, 2013
We have configured a site to site tunnel from our ASA to another organizations Cisco 3030. It appears to have just one way initiation. We can do a ping to a device on the remote site and it will ping just fine. however, when the tunnel needs to be initiated from the remote site, it will not work until we have initiated the tunnel and then everything works.
I continue to see Error processing payload: Payload ID: 1 errors on the ASDM logs.It appears that all the configuration is in place because we can in fact establish the IPSec tunnel unidirectional. And once established, traffic can flow bidirectional.
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May 23, 2013
What are the possibilities that exist for running a site to site vpn in our environment with the following infrastructure Cisco ASA 5520 - running on a multiple context mode
-Cisco 3750 switches
-Microsoft TMG
I believe these options are limited in terms of providing end point for VPN.Is there a VPN module that we can buy for 5520 to run IPSEC VPN?
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Jul 15, 2012
we have two ASA 5510s one in 8.4(4) and one in 8.2(5) in a site-to-site VPN setup. All internal traffic is working smoothly.Site/Subnet A: 192.160.0.0 - local (8.4(4)) Site/Subnet B: 192.260.0.0 - remote (8.2(5)) VPN Users: 192.160.40.0 - assigned by ASA When you VPN into the network, all traffic hits Site A, and everything on subnet A is accessible.
Site B however, is completely inaccessible for VPN users. All machines on subnet B, the firewall itself, etc... is not reachable by ping or otherwise.There are also some weird NAT rules that I am not happy with that were created after I upgraded Site A ASA to 8.4
Site A internal: 192.160.x.x External: 55.55.555.201(main)/202(mail)
Site B (over site-to-site) is 192.260.x.x External: 66.66.666.54(all)
I pretty much just have the basic NAT rules for VPN, Email, Internet and the site-to-site.What do I need to add for the VPN to be able to access the site-to-site network?
Here is my NAT config:
nat (inside,Outside) source static DOMAIN_LOCAL DOMAIN_LOCAL destination static VPN_Network VPN_Network no-proxy-arp route-lookup
nat (inside,Outside) source static DOMAIN_LOCAL DOMAIN_LOCAL destination static DOMAIN_REMOTE DOMAIN_REMOTE no-proxy-arp route-lookup
!
object network DMZ_Network
nat (DMZ,Outside) dynamic interface
object network DOMAIN_LOCAL
[code]....
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Jul 21, 2011
I setup RA-VPN under local asa 5510 IP pool (192.168.127.0/24) and all was working fine. I got internet and local network access.
Then i have 5 site to site VPN working fine but when im traying to access to those L2L VPNs from the remote acces client im not able to do that. So after that i decided to obtain IP addresses from my DHCP server so i can obtain IPs from my local network (172.17.16.0/16) and then access normally to the VPN site to site. But the surprise was that the VPN cisco client is getting local IP address (172.17.16.222) perfectly but im not able to access even to my local network.
I have the same-security-traffic permit inter-interface same-security-traffic permit intra-interface enable.
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Apr 3, 2013
I have two Cisco routers - 2911 in HQ and RV180 in branch office. Because in HQ LAN network I have some development servers, to which guys from branch office need to have acces, I decided to setup VPN site-to-site between HQ and branch office. Everything went quite smoothly, on both devices I see, that ipsec connection is established. Unfortunately I am not able to ping resources from one network to other one and vice versa. Below is the configuration of 2911 router (I skipped som unimportant (imho) configuration directives) :
crypto isakmp policy 1
encr 3des
hash md5
[Code].....
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Apr 16, 2011
I have a ASA 5510 actve/standby and create one site to site VPN with remote peer ip address xx.xx.xx.xx, Our VPN traffic running on 6 mb internet link for video conferancing traffic.Now client give another link 2 mb internet and client told to us our data traffic runnig on 2 mb link but this data traffic running on the same remote peer IP xx.xx.xx.xx.
Secondly request also they need failover over the ISP link.
how we immplement the same on ASA 5510.
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