Cisco Switching/Routing :: Site-to-Site VPN Routing On 5510
Oct 28, 2012
I'm really struggling to setup the routing through a site to site vpn to another site using subnet 212.xxx.xxx.0/24 10.1.1.2 is a gateway that has access to the site. If I add to any server on the 10.1.1.0/24 subnet route add 212.xxx.xxx.0 mask 255.255.255.0 10.1.1.2 it is able to connect to any system on the 212. xxx. xxx.0/24 subnet. However it doesn't work for computers connected via remote access vpn. I need to have all the servers on 10.1.1.0/24 subnet have access to 212.xxx.xxx.0/24 subnet and also any computer connected via remote access vpn to the 5510. [code]
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Jul 12, 2012
I am trying to set up a site to site ipsec connection. AT site A, I have Vlan's 652-10.55.216.0/24, Vlan653 -10.55.217.0/24, Vlan 654-10.55.217.0/24 and Vlan655-10.55.219.0/24 and at site B, Vlan650-10.55.214.0/24 and Vlan651-10.55.215.0/24.The problem is that I am unable to get any associations when i do a "sh crypto isakmp sa"/"sh crypto ipsec sa" on either router at each site.I am also unable to ping by pluging in a laptop into the site at each site. Laptop at site A is set to access vlan 655 and laptop at site B is set to acess vlan 651. I can ping all the devices from one end to the other.I have turned on debug crypto isakmp, debug crypto ipsec, debug crypto ipsec errors but dont get anything at all as output.I have attached the sh run for each router Cisco (1941/K9) and switch (Catalyst 3750) at each site.
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Nov 21, 2012
I have an ASA 5525 and need to configure site to site ipsec vpn to 3 peers. I currently have an existing /28 public address from my ISP that is used by other services.Is there a way to use this existing ip range to configure IPSEC tunnels to 3 peers ?
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Apr 2, 2012
hsrp+bgp+site to site vpn on router 2811.
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Mar 26, 2013
I have been tasked with creating a VPN tunnel between our site and a vendor's support center. I successfully created the tunnel, which negotiates fine, but I can't seem to get the traffic flowing properly. The issue that I think I am having is that the vendor is using a public IP address for their remote internal network instead of a public one. At least that's what I think the problem is, but I'm probably wrong Here is a diagram of how the traffic should be flowing:
Office #3 Office #3 Office #1 Office #1 Vendor Vendor
Desktop PC Gateway Gateway Firewall Public IP Private LAN
192.168.5.158 -> 192.168.5.1 -> EVPL -> 192.168.0.11 -> 192.168.0.5 -> Internet -> 68.x.x.x -> 192.68.48.0/22
Cisco 2851 Cisco 2851 ASA 5510 Cisco 7206
When I trace a route from the desktop PC to an IP address on the remote vendor end, instead of going to the ASA the traffic goes to another office. Here is what is happening to the traffic:
1 <1 ms <1 ms <1 ms 192.168.5.1 (Office #3 Gateway)
2 3 ms 3 ms 3 ms 172.20.254.5 (Office #3 EVPL VLAN to Office #2)
3 3 ms 3 ms 3 ms 192.168.1.14 (Office #2 Gateway)
4 4 ms 4 ms 4 ms 173.xxx.xxx.xxx (Public Internet)
The office with the desktop PC has no local internet access, so all internet traffic gets routed to office #2 (192.168.1.0) as shown above. I'm asuming this is happening because the vendor is using a public IP address instead of a private IP address for their network. The routers look for the shortest route, which would be the internet, and then route the traffic there. Instead they should be routing the traffic to office #1's ASA and then on to the remote vendor site. The 2851 routers are using EIGRP. I don't know if that is causing this to happen but I tried adding static routes and the traffic always goes to the same place. I can provide configurations on any of the devices mentioned, save for the vendor's.
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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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Jan 29, 2012
1. Is it possible to do vpn site-to-site between two ASA5505?
2. Is it possible to do vpn site-to-site between ASA5505 and MS ISA 2006?
3. Is there "Traffic shaping" in ASA5505?
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Sep 2, 2012
i'm trying to create a VPN IPSEC link between 2 offices. The VPN link is created, and i can communicate but only one way. Clients in Office B seems to have routing problem.
Details :
Office A :
- SRP527W router.
- Client Network : 192.168.0.0 / 24
[Code].....
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Feb 24, 2013
I am trying to establish routing between two Site to Site vpn tunnels, both of which are terminating on the same outside interface of my Cisco ASA.
find attached Network Diagram for the same. All Firewalls used are Cisco ASA 5520.
Both VPN tunnels between Point A and Point B, Point B and Point C too are up. I have enabled Same security level intra interface permit command also.
How do i enable traffic originating from LAN Subnets behind Point A to reach LAN Subnets behind Point C without having to create a Seperate tunnel between Point A and Point C
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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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Aug 21, 2011
I'd like to create a site-to-site vpn between an SRP527 and an other vpn gateway. The problem is i don't see how to route all traffic from the local network (network defined by the lan ip interface of the SRP527) to the other vpn gateway? It seems to be only possible to define the destination network (accessible via the vpn) with ip/mask (but only for "small" network: for exemple i tried with 10.2.0.0 mask 255.255.0.0 and it's ok but i tried with 10.0.0.0 mask 255.0.0.0 -> it's not working. I obtain the message "invalid ip")
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Dec 4, 2012
We are setting up a new phone system using the UC540 with a VPN connection between 2 buildings using 2 Cisco ASA 5505's at either end.The problem I am having is getting the phones at the remote site to connect to the UC540 at the main site.
Phones/Computers (10.0.1.0/24) -- ASA -------------VPN Tunnel------------- ASA -- UC540 -----------Data Vlan1 (10.0.0.0/24)
|------Voice Vlan100 (10.1.1.0/24)
What i am told by UC500 support is that the phones at the remote site will connect if they have connectivity to the TFTP subnet on the UC540, which is 10.1.10.0/30 I added the static route on the ASA and I can ping the 10.1.10.1 TFTP server on the UC540 from the ASA, but not for any other device on the 10.0.0.0/24 network, such as the DC. I added the static route there and was able to ping, so something in the ASA seems to be preventing it.
I also can't seem to get the ASA at the remote site to ping 10.1.10.1. I've tried adding the static route there in hopes it would forward it through the VPN tunnel.
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Apr 8, 2013
We have 3 sites, with a Cisco ASA 5520 at each location.
HQ (Headquarters) internal network: 172.16.110.0/24,
DR (Disaster Recovery) internal network: 172.16.120.0/24
BO (Branch Office) internal network: 172.16.150.0/24
HQ and DR have a 100Mbps permanent MPLS link between each other.Branch Office has a Site 2 Site VPN connection to HQ. If it fails, it establishes a Site 2 Site VPN connection to DR. This works perfectly.Now the routing issue... There is no route to the BO in the routing table at HQ/DR. The default gateway is used to reach the BO and that works for HQ when the VPN is between HQ/BO. If the VPN fails over to DR/BO, HQ can't reach BO anymore.I need to have some kind of conditional route injection from the ASA where the VPN is established. I was considering a tracked static route, but I was wondering if the S2S VPN itself has a functionality to do so. I thought the Reverse Route Injection was it but it's enabled on our crypto map and doesn't seem to work...
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Jun 2, 2013
I'm working with a client who has a site to site VPN between the main office and a branch office. The main office is 192.168.200.0/24 and the branch office is 192.168.1.0/24. The issue is when the branch office users use the VPN in they receive a 192.168.200.x address, however, they cannot access a server or any other resources at the branch office.
They have a SSL-VPN 2000 connected to a TZ100 at the main office and a Juniper device at the branch office. I did try setting the Tunnel All mode on the NetExtender but that does not allow me to access the resources at the branch office. Additionally, those users at the main office can access the resources at the branch office without getting on the VPN.
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Sep 12, 2011
I configurated Ipsec vpn at asa 5510. my inside ip 192.168.10.156my public ip: 85.x.x.xmy peer ip : 62.x.x.x
the project is that:
the remote site want the interesting traffic like that:
source ip 172.16.1.104 can access destination ip 10.0.154.27
My inside ip is 192.168.10.0/0 and i can not to change it 172.16.1.0/24 and i can not to add this ip at my network.
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Mar 6, 2013
Our Headquarter (asa 5510) is running a site to site vpn connection with a Branch office (router 2811). All remote users are accesing the internet through the VPN and also accesing headquarter file servers.I want to know if there is a way for some remote users to be able to use the vpn for accesing the file servers but to access the internet through the branch office. The rest of the remote users will be still accessing the internet through VPN.
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Apr 22, 2012
I've setup a site to site vpn on an ASA 5510 using ASDM (as I have many times before) and the tunnel appears to be up but I am not able to pass traffic. When I run the packet tracer from my inside network to the remote destination network, it shows that it is blocked by the implicit deny ip any any rule on my inside incoming access list.
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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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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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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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Oct 10, 2012
I have a ASA 5510 at our corporate HQ that has one site to site VPN. I need to add 6 additional site to site VPN's to this ASA for our remote branches. How can I add them without affecting the existing site to site VPN? The 6 site to site VPN's will all have the same settings however these settings are different from the existing site to site that I already have set up. How can I set it up so the 6 additional VPN's use their own crypto map and all use the same settings?
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May 28, 2012
I have a ASA 5510 that has multiple site to site VPNs. I need to create an additiona site to site VPN but only allow 1 host to access and traverse the tunnel. The network is on a 192.168.5.x but the host that will need to access this tunnel needs to be on a 172.16.33.x network. I dont want any other traffic allowed to access or traverse the VPN tunnel for this host. How can I set this up?
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Apr 30, 2013
I have an ASA 5510 8.2(5) in Site1 and a ASA 5505 8.2(1) Site2 they are setup with a site to site tunnel.Each site has VPN clients that connect and I would like to allow clients from both sides access to servers on the other side of the site-to-site tunnel.
I enabled same-security-traffic permit intra-interface I also added the remote networks to access-list that is doing the split tunneling. [code]
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Feb 14, 2011
I have a cisco ASA 5510 at the branch here. It terminates about 8 vpn tunnels and also it supports remote access clients. I just have a quick question. Can my remote sub-net group access the other remote access site-site VPN subnet group. If yes then how should i configure it.
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Sep 30, 2012
I have a dynamic VPN site to site between ASA 5510 vs C880 with segment 172.23.191.0/25 for ASA side and some host in C880 side (e.g. 128.1.100.211, 128.1.115.181, 128.1.104.212) . The VPN is up, but only have communication with a host (128.1.115.181).
In the logs appears the next message when I try communication for all aother IP in the policy map configuration: IKE Initioator unable to find policy: Intf Inside, Src: 172.23.191.87, Dst: 128.1.115.182..ONLY WHEN I PINGING FROM SOME HOST IN C880 SIDE (e.g. 128.1.100.211) the communication is successfull.
What happen with this VPN, because I need to pinging from C880 IP host to ASA segment for establish communication?
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May 26, 2011
I'm trying to figure out how to get two 5510 ASA's to establish a Site-to-Site VPN.The version with two static IP's is working perfectly and stable but I haven't figured out how to get a VPN running between a static and a dynamic IP
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Jun 28, 2012
I am attempting to configure Radius authentication accross a site-to-site VPN for my ASA 5510-01 for remote access.
ASA5510-1 currently has a live site to site to ASA5510-2.
ASA 5510-1 - 10.192.0.253
ASA 5510-2 - 172.16.102.1
DC - 172.16.102.10
ASA5510-01 can ping the DC and vica versa but is unable to authticate when i perform a test. ASA5510-01 can authenticate to a DC on it;s own LAN but not on the remote LAN that DC sits on.
I have double checked the 'Server Secret Key' and ports as well as various users which all work locallly. ASA5510-02 authenticates to DC with no problems.
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Sep 17, 2012
I'm setting up a Site-to-Site Cisco VPN between ASAs. I'm being told by the remote site engineer to set the maximum MTU at 1362. Is it possible to set the MTU for one specific site-to-site VPN on my ASA 5510 Security Plus to MTU 1362? I see my interfeces are all set at 1500. If not, would you recommend I setup a subinterface on my inside network router and a subinterface on the ASA with an MTU of 1362 to get around this issue? Then use this subinterface for traffic from my inside network to transverse through prior to hitting the VPN.
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Oct 3, 2012
Site A has an ASA 5510 and a single internet connection.Site B has two internet connections (primary and backup). If Site B also has an ASA, I can configure Site A's ASA to deal with a failover at Site B (set peer 1.1.1.1 2.2.2.2). Does this work if Site B has an IOS router instead of an ASA? In other words will "set peer 1.1.1.1 2.2.2.2" on the ASA work when it's talking to IOS on the other end?
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Apr 18, 2013
I am not very experienced with Cisco networking.
Here is the situation.
Site A - headquarters 192.168.1.x
Site B - remote office 192.168.20.x
Site C - remote office 192.168.30.x
Site A - ASA 5510
Site B - ASA 5505
Site C - ASA 5505
Site-to-site VPN is established and works between A and B, A and C. Users would like to establish a tunnel between B and C to work on a common project and the data is on Site B.
I tried configuring the S2S VPN with pre-shared keys on both firewalls at sites B and C but in the end it is not established (I cannot ping either side). I used the Wizard interface multiple times and one time the CLI. I generally followed the settings chosen between the headquarter and the individual remote sites and tried to replicate them. Obviously I have made a mistake somewhere.
Could there be any limitation on the ASA 5505 in terms of licensing and the number of S2S tunnels?
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Jan 29, 2011
I have a site to site tunnel (bidirectional) configured between two ASA 5510's (head office and remote office) running 8.2.2. I'm trying to upgrade one end (head office) of the tunnel to 8.3.2 but when I do that, traffic from the remote office to the head office isn't transported. Traffic from the head office to the remote office is still fine (remote desktop sessions, etc).
A quick comparison of the 8.2.2 config and the 8.3.2 config on the head office ASA look identical in terms of the crypto/site-to-site commands.Is there any Cisco guide created yet for creating site/site tunnels under 8.3.2? I'm able to upgrade both ASA at the same time if that's determined to be a prerequisite.
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Dec 12, 2011
We have a Cisco ASA 5510 at our main office that makes connection with a 5505 at our other office using site to site VPN. (works)
Now for the question,
we want to access our other office from the main office but we wont want them to have access to our servers etc. so basically we want to control them but they shouldn't have the rights to control us.
Is this possible with a site to site VPN? and how to do it.
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