Cisco VPN :: Site-to-Site VPN Using ASA 2911 Behind Dual WAN Router
Aug 30, 2011
I have a remote office with a dual WAN router (2911) in front of an ASA (5510). Our main office currently has an ipsec site to site vpn to that remote office ASA. The router has two ISPs. ISP-A is the wan link used for the site to site and has provided us with a /28 public address space which we use on the ASA outside interface for the site to site. Now we are in the process of getting a second ISP which will also provide a /28 or /29 public address space. I would like to use that second ISP for backing up the site to site in case ISP-A link goes down. I think I have the IP SLA config worked out. My question involves NAT. On the router I would like to configure a static nat that only takes place if ISP-A goes down. In other words, if everything is working fine, then the router does not nat the ASA outside address, but if the ISP-A link goes down, then the router will NAT the ASA outside address to one of ISP-B provided public addresses.
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Mar 15, 2011
I have a Cisco 2911 router and a Cisco RV 120W router and i would like to establish a VPN tunnel between theese two. I have defined the settings on the Cisco RV 120W router and i just want the Cisco 2911 to follow those. setting up a connection with Cisco IOS.
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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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Aug 18, 2011
I have a Cisco 2911 router configured with a couple of VPN tunnels . The issue that I am having is that I cannot access the servers (WEB,EMIL) thru the tunnel . After looking around found out that adding a route-map to my static NAT rule will fix the issue . Once I do that I am able to access the serves thru the VPN but my local machines lose internet access .So I have to delete the access list The issue seems to be with the Access list 110 permit ip [code]
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Jan 24, 2013
[code] Site-to-site VPNs in place between Site A and Site B and between each site to the DC. Site A and Site B have Cisco 2911 routers, there are ASA’s at the DC. The existing Site-to-site VPNs carry data and voice traffic between the sites (though voice and data is on separate VLANs in separate subnets)
ISP1 currently used for the existing circuits at Sites A and B but we have experienced issues with them recently which has disrupted service. So new circuits are to be installed at each site with ISP2. (See basic diagram attached which shows current set-up with intention to get new circuits via ISP2 installed)
We have 3 ports on our Cisco 2911 routers with 2 ports already in use for the existing connections (1 for the LAN and 1 for the WAN connection to ISP1) Can we simply use the 3rd port for the connection to ISP2 or would it be far more advisable to use a 2nd router (for redundancy, etc)
Would it be feasible to have a set-up where we have e.g. voice traffic go over a site-to-site VPN via ISP1 and data traffic go via site-to-site VPN via ISP2 but each can take over from the other in the event of a failure?
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Dec 29, 2012
Is there a way to set up a Site-to-site VPN between RV042 & Cisco 2911? I "googled" this and obtained a document, but it is not regarding Cisco 2911: [URL]
Routers are needed to setup it successfully. I have tried on both routers several configuration steps, no success...
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Jun 11, 2013
I am attempting to establish a Site To Site VPN between our SA540 and 2911 routers and somewhere I have a misconfiguration that eludes me. I suspect maybe in the 2911 Transform Set? Here is the output from the SA540. [code]
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Sep 26, 2011
Using 3G USB modem on a Cisco router 2911 can you establish site to site VPN?
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Mar 21, 2011
Im trying to configure a IPsec site-to-site between Cisco 2911 and Cisco RV 120W routers and im having some trouble with it. Hoping some could shine some light on this matter. Posting my running config on 2911 and also the config of the Cisco RV 120W (.jpg)
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Nov 27, 2011
On my 2911 router, can I have both an Easy VPN server, and a site-to-site VPN? Also, with an Easy VPN, is it possible to specify another internet (outside) IP address in my assigned range as the address remote users use . . . rather than the specific IP address assigned to the interface?
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Apr 13, 2011
We have got site to site VPN configured between local site with PIX515 6.3(5) and remote site with ASA 5505 7.2(4) . Because of very unreliable internet connection in remote site , we have added new ISP link which we want to use as redundant link .i understand ASA 5505 can be configured with two ISP link with SLA monitor method for redundancy as per this document ,[URL]
my question is how do i set up this pix 515 to have redundant VPN tunnel with remote site (when primiary ISP link fails in remote site and secondary ISP links takes over ) . I was thinking of using PIX 515 with 2 peers in same crypto map used for that sepcific site to site vpn tunnel,not sure that is the right way or not though.But how would i configure ASA 5505 to use backup interface(where secondar isp router conects ) to particitae in Site to site Tunnel .
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May 1, 2013
I have 3x site-to-site vpn connections setup on my Cisco 2911 router which is based at Head Office. They all connect OK but there appears to be some ports blocked.Access any applications using HTTPS Our Proxy Agent uses port 8280 - When the internal address is used, it doesn't work. When the public address is used, it works. Printers are unable to use scan to email - Port 25.I'm confident that nothing is being restricted at the remote sites as all of these functions worked on our old Head Office router.All i want to do is allow ANY traffic to and from Head Office and all the VPN sites. I'm fairly new to this type of router having made the jump from small business equipment.
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Feb 8, 2012
I'm trying to setup VPN S2S. Office router 2911 ip a.a.a.a, remote office ASA 5505 8.4(3) with ip b.b.b.b, but no luck.
2911 config:
!
version 15.2
service timestamps debug datetime msec
service timestamps log datetime msec
service password-encryption
!
[code].....
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Mar 6, 2013
I done some searching and can't come up with a definative answer any where so I'm going to ask the experts.
We have an ASA 5520 in our home office, connected to the Internet via IPV4 and IPV6 and it's all working great, we fully support IPV4 and IPV6 to all home office workstations and servers. We have a branch office connected back to our home office via a IPV4 site to site VPN with IPV4 connectivity thru the Internet. The branch office is using an ASA5505 and only has IPv4 connectivity to the Internet.
We would like to setup the site to site VPN so that it supports both IPV4 and IPV6 traffic, essentially giving our branch office IPV6 connectivity to the Internet (though us) and to our IPV6 services. Most of our home office network is fully IPV6 but some older services remain IPV4 only. I know that the ASA5505 will give us either a IPV4 to IPV4 over IPv4 connection, we are currently using that, and it will give IPV6 to IPV6 over IPV4. But can it be configured to give both IPV4 and IPV6 to IPV4 and IPV6 over IPV4 connectivity?
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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 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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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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Feb 7, 2011
I have ASA 5505, i configured site to site vpn between central site and remote site and is working. Now the problem is we use remote site for troubleshooting purpose, so we need to create a tunnel from remote site to central site. I need to configure such a way that remote site can craete a tunnel to central site, but central site not able to create a tunnel, it just respond to remote site.
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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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Jan 27, 2012
i want configure VPN between backoffice which have ASA5510 firewall with static IP and site which have cisco router 1861 with dynamic IP.
how i can configure the site to site between them?
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May 30, 2013
I would like to know both Cisco 2901 or 2921 router and Cisco 5505 ASA can build site to site VPN.
1) what is the different to build site to site VPN between router and firewall ?
2) which is the best choice if using in site to site VPN connection ?
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Apr 2, 2012
hsrp+bgp+site to site vpn on router 2811.
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Aug 22, 2011
I need to configure a site-to-site VPN using a Cisco 881 router on my end and connecting to an ASA5510 on my suppliers end.Our supplier has configured their end and I do not have access to their configuration.
They told us we have to NAT all inside address' to a single address (192.168.89.1) as this is the only one they will let through their firewall/tunnel.I know how to set up the VPN but not too sure how to set up the NAT part.
My sanatized config is attached. The code I am using to NAT my inside network to the single address 192.168.89.1, and send all traffic accross the VPN tunnel as this address is correct? With the router running this config the VPN tunnel does not connect.
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Dec 15, 2012
I have an issue with 2 site to site VPN tunnels from a RV042G router. The issue is for both VPN tunnels is that in the logs, it is showing that when the RV042G router is trying to establish the tunnel, it is getting a response from the remote gateway internal address and not the Public address of the remote gateways. On the remote gateways I have other site to site VPN's terminating fine and the tunnels are passing traffic. I only have an issue with the RV042. On the VPN Tunnel page it shows for both tunnels waiting for connection. This is an output from the log of the RV042G
Dec 17 15:19:48 2012VPN Log(g2gips0) #2174: sending encrypted notification INVALID_ID_INFORMATION to 203.43.XX.XXX:500 Dec 17 15:19:48 2012VPN Log(g2gips0) #2174: [Tunnel Negotiation Info] >>> Initiator Receive Main Mode 6th packet Dec 17 15:19:48 2012VPN Log(g2gips0) #2174: [Tunnel Negotiation Info] >>> Initiator Receive Main Mode 6th packet Dec 17 15:19:48 2012VPN Log(g2gips0) #2174: Peer ID is ID_IPV4_ADDR: '126.0.21.52' Dec 17 15:19:48 2012VPN Log(g2gips0) #2174: we require peer to have ID '203.43.XX.XXX', but peer declares '126.0.21.52' Dec 17 15:19:48 2012VPN Log(g2gips0) #2174: we require peer to have ID '203.43.XX.XXX', but peer declares '126.0.21.52' Dec 17 15:19:48 2012VPN Log(g2gips0) #2174: sending encrypted notification INVALID_ID_INFORMATION to 203.43.XX.XXX:500 Dec 17 15:39:50 2012VPN Log(g2gips1) #2192: [Tunnel Negotiation Info] >>> Initiator Receive Main Mode 6th packet Dec 17 15:39:50 2012VPN Log(g2gips1) #2192: Peer ID is ID_IPV4_ADDR: '10.1.202.65' Dec 17 15:39:50 2012VPN Log(g2gips1) #2192: we require peer to have ID '203.47.XXX.XX', but peer declares '10.1.202.65' Dec 17 15:39:50 2012VPN Log(g2gips1) #2192: we require peer to have ID '203.47.XXX.XX', but peer declares '10.1.202.65' Dec 17 15:39:50 2012VPN Log(g2gips1) #2192: sending encrypted notification INVALID_ID_INFORMATION to 203.47.XXX.XX:500
VPN tunnel terminating on 203.43.XX.XXX is a Checkpoint firewall running R70 software version?VPN tunnel terminating on 203.47.XXX.XX is a Cisco ASA 5510 running ASA 8.2.4 software?As stated above, I have other VPN tunnels working fine. This RV042 is a replacement router as the original router suffered a power surge.
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Mar 31, 2011
Just now my boss asked me to prepare to set up site-to-site VPN on Cisco 881 Integrated Services router to ASA 5505 router which is now running at the HQ side. I am now learning pdf file from Cisco which mention how to setup site-to-site VPN between Cisco 1812 IOS router and ASA 5505 router by using ASDM V6.1 and SDM V2.5. Can't find the paper for that Cisco 881 device.
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Mar 28, 2012
I am trying to create a site to site VPN using a cisco 2901 and Linksys router.I have the VPN configured and connected and I can ping gateway to gateway. However, from the Cisco I can't ping any of the devices beyond the gateway.Example, from the cisco I can ping 192.168.5.254 (gateway IP address) source gig 0/1 and it works great.
However if I ping from the cisco 192.168.5.50 (end user PC) source gig 0/1 it doesn't work.I have created a client VPN and that works perfectly.Below is my config.
crypto isakmp policy 1
encr 3des
authentication pre-share
group 2
!
crypto isakmp policy 2
[code]....
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Dec 12, 2010
I have Cisco 877 routers, with ethernet (LAN) and ADSL (external) interfaces. The ADSL interface gets dynamic IP. Is Site to Site VPN with Dynamic IP and Internet Browsing Possible on the Same Router.
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May 27, 2013
I'm setting up a site-to-site VPN between two offices, Site A uses a Cisco RV110W VPN Router with a static WAN IP and local IP 192.168.1.0/24 while Site B I have set up with a Belkin N300 VPN router which also has a Static WAN IP and the local IP is set to 192.168.2.0/24
I'm able to ping from Site B (192.168.2.xxx) to Site A, however I can't communicate from Site A back to Site B.how I could go about troubleshooting this? I've been scouring the internet for 3 days trying to get to the bottom of this with no luck.
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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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Nov 14, 2012
how to configure a site to site tunnel using IKEv2 between our offices using an ASA 5515-X and a Cisco 3925 router running IOS 15.2 Connecting ASA to ASA and ASA to Router via IKEv1 works fine. Want to take advantage of the improvements in IKEv2 but I'm having difficulty with the ikev2 setup on the router. Here is the pertinent ASA side config--
ASA IP: 5.5.5.5
Router IP: 10.10.10.10
crypto ipsec ikev2 ipsec-proposal AES256
protocol esp encryption aes-256
protocol esp integrity sha-1
[Code].....
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Nov 29, 2011
I was traying to make a site to site VPN between a cisco 1800 router and cisco asa 5510. But it was impossible to get it. [code]
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Mar 6, 2008
I have a new WRVS4400N configured with a site to site VPN to connect to my office. At the office, we're running a Cisco PIX 515E. I have successfully established an IKE preshared key and the tunnel is listed as Up. I can successfully connect through the VPN tunnel into the office network through the tunnel and all seems good. After some period of time, the tunnel apparently goes into a bad state. Access to the office network is no longer available. When looking at the VPN status screen, the Linksys indicates that the tunnel is up. However, I cannot ping any resources on the office lan. If I disconnect and connect the site to site VPN tunnel, it connects and comes back up successfully. It seems like there is some sort of timeout taking place here. I am running the 1.1.03 firmware.
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