Cisco VPN :: Client Behind EzVPN Remote (ASA 5505)?
Feb 2, 2012
I try to configure a simple EzVPN infrastructure:
EzVPN Server (CISCO2811, hostname cme) < -- > EzVPN Remote (ASA5505, hostname ezvpn-asa) < -- > Client
Attached you find both configuration of the EzVPN server and remote. The tunnel is getting up and if I ping from the ASA to the Router, I see the packets getting encrypted:
ezvpn-asa# ping 172.16.100.1
...
ezvpn-asa# show crypto ipsec sa
interface: outside
Crypto map tag: _vpnc_cm, seq num: 10, local addr: 172.16.100.2
[code]....
If I connect a client with IP address 192.168.1.2 to the interface eth0/1 and do a ping to the cme, I don't see any packets getting encrypted. I don't have any idea about VPN, I just need it for a wireless lab environment. What do I have to configure on the ASA, so the inside traffic is encrypted?
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Mar 10, 2013
I have an ASA 5505 that is on the perimeter of a hub & spoke vpn network, when I connect to this device using the VPN client I can connect to any device across the VPN infrastructure with the exception of the sub net that the client is connected to, for instance:
VPN client internal network connects to 192.168.113.0 /24 and is issued that ip address 192.168.113.200, the VPN client can be pinged from another device in this network however the client cannot access anything on this sub net, all other sites can be accessed ie. main site 192.168.16.0/24, second site 192.168.110/24 and third site 192.168.112/24. The ACL Manager has a single entry of "Source 192.168.113.0/24 Destination 192.168.0.0/16 and the "Standard ACL 192.168.8.8./16 permit.
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Dec 20, 2011
I have difficulties with configuring Remote IPSec VPN with Cisco ASA 5505 and Windows 7 native VPN client. My client PC gets VPN pool IP address, and can access remote network behind ASA, but then I lose my internet connectivity. I have read that this should be an issue with split tunneling, but I did as it is told here and no luck.On Windows VPN Client settings, if I uncheck "use default gateway on remote network" I have internet connectivity (since client is using local gateway), but then, I cannot ping remote network.In log, I see this warnings of this type:Teardown TCP connection 256 for outside:192.168.150.1/49562 to outside:213.199.181.90/80 duration 0:00:00 bytes 0 Flow is a loopback (cisco)I have attached my configuration file (without split-tunneling configuration I tried). If you need additional logs I'll send them right away.
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Apr 3, 2013
I´m tring to configure ASA 5505 with VPN Cleint, to access a remote network over a L2L with another ASA 5505, but no sucess. Is there any special feature to this work?
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Apr 2, 2012
Trying to figure out how to configure the VPN client side to access a remote LAN.
Lan A - 172.16.17.0 - ASA5505 8.2(3)
Lan B - 200.200.0.0 - ASA5510
Cisco Client - V5
At present there exist a VPN tunnel between LAN A and LAN B. The client has a VPN tunnel to LAN A to run software package X on the LAN A server. The client also needs to run software package Y which needs access to a database on LAN B. The computers on LAN A have no problem using package Y since a VPN tunnel exist between LAN A and LAN B. How can I get the Client to also access LAN B on the same tunnel created when the client connects to LAN A? I can't seem to get packets that are directed to LAN B to cross the Client tunnel to A which would then hopefully move onto the LAN A/ LAN B tunnel.
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Mar 22, 2011
The environment is:
ASA 5505 running 8.2 with ASDM 6.2.
VPN Client Version 5.0.05.0290
I've installed both the anyconnect and ipsec VPN clients and successfully connected for remote VPN server access; however, the client shows no packets being returned. Thinking that I misconfigured, I reset to the factory default and began again. Now I only have the ipsec vpn configured and I have exactly the same symptoms. I followed the directions for configuring the ipsec vpn in Document 68795 and rechecked my configuration and I don't see what I've done wrong. Given that I can connect to the internet from the inside network, and I can connect to the VPN from outside the network (and the ASDM Monitor shows an active connection with nothing sent to the client) I have to believe it is either a route or an access rule preventing communication but I can't quite figure out where (and I've tried static routes back to the ISP and a wide variety of access rules before flushing everything to start over).
[Code] .....
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Feb 13, 2013
I have one user who is unable to Access Remote Network resources when connected to the VPN on his home network. VPN shows connected and he is given a remote IP from the VPN Pool, but he cannot ping any IP on our network. When connected using Sprint Wi-Fi card he is able to connect and access remote network from the same laptop. Maybe there is some network overlap that I am missing.
see attached firewall config (zzz... being firewall public IP) and remote user route table. ASA 5505 VPN Client 5.0.07.0290
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Jul 10, 2011
I have a 3825 configured as an EZVPN server with 881 routers as clients. One issue I am seeing is that sessions don't seem to time out, such as when a peer's public IP changes. Show crypto ISAKMP peer shows the same host (using device certificates for authentication) with multiple public IPs establishing sessions. I have ISAKMP keepalives configured on the router.
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Mar 14, 2012
We have a VPN using 857 and 877 routers as remote connecting in to a 2800 EZVPN Server.
The VPN is working fine. However, the VPN connections sometimes (after a few hours/days) seem to "freeze". A "show crypt sess" shows the connections as Up/Active, but you can not ping antyhing from remote to server, or visa versa, nor does any traffic flow. I then added a "isakmp keep-alive" on the 2800, which improved the situation a bit, but not as much as I hoped.
On the 877 I then implemented a IP SLA, with Object Tracking and then use a Event Manager to just issue a "clear crypto session" . This solved the problem.
However, what do I do on the 857 ? It does not support Object Tracking or the Event Manager. Is there any other mechanism to monitor and reset these frozen/stale VPN connections automatically ?
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Oct 4, 2012
I am configuring remote access vpn on ASA5505.Everything is working fine so far, except when the client got connected, it still used the local DNS server provided by the ISP. How do I force the client to use the DNS server configured on ASA?
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Dec 3, 2011
I have the following problem on configuring ezvpn for the following situation: 3 different locations - 1 HQ with 2901 server and 2 offices with 861 clients.
Clients connects to HQ, I do traffic between HQ and offices but I cannot ping between offices (ping from 192.168.1.0/24 to 192.168.2.0/24 and vice versa.
The configs:
aaa new-model
!
!
aaa authentication login default local
aaa authentication login vpn_xauth_1 local
[Code]....
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Mar 18, 2011
configured Ezvpn Server/client with client mode configuration on IOS router with ver advipservicesk9-mz.124-15.T3.bin of ISR 1841 routers. Only my main issue is that once the tunnel is up I cant access the server side local LAN. However I could each site my icmp traffic is encrypt or decrypt but not both at the same time. However I can ping from the server to the client ip address which is assigned by the pool (int loopback10000)
Also once the tunnel is up I could also see there's static route towards the client side via virtual-access interface and also static route on client side. I have already configure SPLIT ACL on server side allowing the required network access.Attached is the configuration of both server and client with all required show output.
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Aug 9, 2011
I am attempting to get a solid setup for a remote office we have going up and I am running into little issues that I cant seem to get around.
Basically, we have a remote office that will have dual ISPs, one hard wired circuit from a local carrier and the other will be a Verizon 4G router that plugs in via Ethernet and hands out DHCP to my Cisco router.The Cisco router is a 2911 with IP SLA configured. I have it setup to ping my DC out one interface and if that fails, it removes the default route and injects a new default route from the other ISP,
The problem I am having is with the VPN. I figured using EZVPN would be the only solution because the Verizon 4G only supports DHCP so I have to be able to connect from a dynamic remote host. The other caveat is that failover needs to be seamless as we have no person onsite that can troubleshoot. Its fine if it takes a few minutes, but the VPN just needs to come back up on its own without any intervention.
I attempted to setup two different EZVPN crypto maps on the router but realized you can only have one inside cryptomap per interface, which would cause a problem with the internal network. I thought I could just create subinterfaces off the router to have two inside interfaces to work with but that wouldnt have supported because they would now be on different subnets.
I decided that adding an ASA5505 behind the router may be the simplest solution. Use the router only for the purpose of handling routing between the two ISPs and performing NAT out the interfaces. Then use the ASA to do EZVPN from. This works well but there are some issues I am trying to work through.
First, when the ISP fails over to the backup, the NAT translations have to timeout before things start working again. For a constant ping, this is fine, I have the timers set down to 15 seconds for NAT timeouts and after 15 seconds the ping picks right back up again. However, this breaks the EZVPN. The ASA keeps trying to bring up the ISAKMP nearly every second, which keeps resetting the countdown on the NAT timeout for the remote EZVPN server. Because of this, the VPN will never come up until I manually clear the NAT translations on the router. So my first question is this; is there a way to adjust the timer that the VPN uses to try to bring the tunnel up? I tried the crypto isakmp keepalive command but that didnt work, it looks like it doesnt work with EZVPN.
The second issue is really with the IP SLA and is only an issue because of the first issue I mentioned. When the router first comes up after a reboot, both the primary and secondary interfaces come up. However, since the primary default route is only injected into the routing table once IP SLA is up and can reach its destination, the secondary route gets injected initially and the VPN comes up over the secondary ISP. In a few seconds, the primary default route is injected, changes the path and because of the NAT translation, breaks the tunnel and never comes up again because of the first issue with the VPN tunnel renewing the NAT translation continuously.
I could easily go out and purchase a $100 Linksys router that will do the failover and clear its NATs and everything, but I need better reliability out of the hardware than that. There has got to be a way to do this on a Cisco device since consumer level equipment can.
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Feb 24, 2013
I got a Problem with Routing on a ASA5510.
I have ezVPN Clients connected to the ASA5510. Those Clients are assigned an IP from 192.168.236.0/24 Pool.
I have a Router of a contractor connected to a dedicated ASA Interface called IBIZA with IP Net 10.100.10.0/24 and the Router itself with the IP 10.100.10.1. Behind that Router is another private Network which I need to reach from the ezVPN Clients.
The Connection from the ezVPN Clients to the "LAN" Interface/Network on the ASA works fine, but I cannot reach either the Contractor Router (10.100.10.1) nor the Network behind that.
From the LAN Network (on the LAN Interface) I can reach both the Contractor Router and the Network behind.
When I use the Packet Tracer Tool from the ASDM it tells me that the Traffic goes through but ends on the LAN Interface. But it should end on the IBIZA Interface or am I wrong here ?
What do I need to tell the ASA to route the Traffic from the ezVPN Client to the Contractor Router and back ? I have set up the ezVPN Connection as full-tunnel so all Traffic goes through the VPN Tunnel. That shouldn´t be the Problem.
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Sep 24, 2012
I've got some ASA5505 which run as EzVPN clients in NEM, connecting to a ASA5510 as head-end. The ASAs are configured with a CSM and AUS. But whenever they are getting a new configuration through the AUS they stop trying to establish an EzVPN connection to the head-end. After a "reload" they run with the new configuration and establish the tunnel as expected.
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Mar 13, 2013
i configured cisco asa 5520 as cisco ezvpn server and cisco 891 as ezvpn client .the configurtion is working fine.i am using client mode on the ezvpn client side.but my quesion is , is it possible to communicate to ezvpn client side internal ip from the ezvpn server side?and one more thing what is the benefit of network extension mode on the client side and how it will work what are possible changes need to do in the server and the client side.
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Mar 20, 2012
i have a question about tunneling a software EasyVPN client to a client ASA Network. It looks like this:
EasyVPN Server 192.168.202.0/24 Network extension mode to Client EasyVPN ASA 192.168.1.0/24 This works fine in both directions. But now i want to connect the client ASA network via EasyVPN software client from outside. The user are already able to connect to the ASA Server on its static outside IP obtaining an IP from a 192.168.21.0/24 pool. This works fine. But how am i able to connect to the 192.168.1.0/24 network from this client?
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Sep 20, 2012
I have a few ASAs with L2Ls in a hub-and-spoke fashion, works great. All ASAs are 8.2(1). I've tried to add remote-vpn to the HQ ASA. I have this working on a PIX 6.3 box at HQ, but have not been able to make it work completely on the ASA.
Just to check, I also set up remote client vpn access on one of the spoke ASAs, and that actually did go well. Applying the equivalent config on the HQ ASA - won't function.
The problem with the HQ ASA remote client vpn is that after completed phase 1 & 2, the traffic goes one way only, from client side towards the ASA. I e remote side only encaps, no decaps; ASA side only decaps, no encaps. If the remote client pings a host on the inside (i e behind the HQ ASA) the packets arrive, and are returned towards the ASA (a correct route for the remote vpn network is in place on the inside host). However, it seems as if the ASA doesn't send that traffic back into the tunnel, but rather sends it unencrypted through the default route (doing a traceroute from the inside host for instance suggests this).
The ONLY way I can pass traffic towards the remote client is by initiating a ping from within the HQ ASA, it's the only time I get encaps on the ASA side and decaps on the remote side of the tunnel. Interestingly, it's actually the "ping outside 192.168..." that works, doing an "inside" ping fails. Compare this to the spoke ASA and its remote vpn client, there an inside ping is succesful, but not a outside ping, i e the spoke ASA functions as expected with its remote vpn. Given that the configs on the two ASAs are the same for remote client access, I would have expected both to work, not only one of them. But then, the HQ ASA has more lines of code, and I guess that something there gets in the way. [code]
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Jan 22, 2011
I have A setup in different location with the the ASA Firewall with VPN enabled and a Print server. on Network B i have a server with 2008 installed and its my NAT server, DNS and File server.Now the Client on Netwrok B wants to access the Server in Network A Remotely through VPN they could connect to but cannot user Remote Desktop either its Ip translation issue or i dont know.
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Feb 2, 2011
After trying to configure remote client VPN access to a Cisco 2911 ISR using the CLI I tried to use the Cisco Configuration Professional. However, either way I have the same problem. A client can successfully connect and access servers but just once. When the client disconnects and tries to connect again there is no access to the servers even though the VPN tunnel appears to be up. I've tried multiple versions of the Cisco vpn client SW and all behave the same: 1st connection can access servers, subsequent connections can't. I've also tried a second (different) client after the original connection and still no luck. If I reload the router the client can get the vpn connection and access the servers but if the client disconnects from the vpn and tries again there is no access to the servers.
I've also tried it with and without NAT but it doesn't seem to make any difference.
The config generated using CCP is as follows:
version 15.0
service timestamps debug datetime msec
service timestamps log datetime msec
[Code].....
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Apr 19, 2011
I have a cisco 2811 with security bundle with IOS 12.4(13r)T I am planing to use this router as a VPN gateway for company ( i.e)
1. LAN 2 LAN VPN ( Supporting if remote site is having dynamic IP)
2. Remote access VPN for VPN client
I have configured the router ( attached is the configuration) I have not tried to use the LAN to LAN VPN ( first i complete remote access VPN and then check L2L) I tried to use the remote access VPN I am able to connect from vpn client software and got the IP address but unable to ping the servers in LAN.
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May 25, 2012
This is probably where I should have started my search. During the last 2 days I have taught myself numerous things to try and figure out this problem. I want to run 2x Client on my android to remote into my desktop. I have a Verizon fios actiontec router ver. I and running win 7 prof.. I have been able to easily set up the 2x client and remote into my desktop while on my home wifi but trying to use 3g/4g service has yielded nothing but heartache and stress.
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Mar 27, 2012
Question is in the subject line. Maybe I am missing something, but this does not seem to work (No such file or directory).
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Apr 28, 2011
I'm having extreme issues in getting my vpn client to connect to a cisco router with a hwic-3g-hspa cellular interface
I have tested the config remotely by traversing the tunnel I have setup with a cisco vpn client and the client does connect, however when out on the road it doesn't respond, I'm litterally hitting my head against a brick here, everything just seem right I can't explain it.
I have done debugs and there is no sign of life, its as though when the vpn client connects to the router its not responding any way here is my config for the vpn clients part that is.
aaa new-model
!
!
aaa group server radius vpn-client-server-group-1
[Code].....
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Jun 28, 2011
I've been trying to set up a SSL VPN connection for remote conenctivitiy with AnyConnect Client. I've configured virtually everything necessary, I can connect to the VPN page, download the Client, establish connectivity, Get an internal-IP address. But I can't ping any internal (and of course external IP addresses)
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Jun 18, 2011
I am having asa 5520 in my head office and in branches 2811 routers.i connected two branches with my HO through VPN.now i configured remote vpn client in HO asa . now i need to access all the branches using this remote client.how i create route in HO ASA.
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Mar 16, 2012
Device asa 5550 - But can a Client establish a SSL VPN to remote network and devices on the remote network access local network printers? so you got one client one network A that creates a SSL VPN to network B , can network B be configured so that automatic job come across the same ssl vpn to a Different IP?
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Oct 26, 2010
I am using Cisco configuration professional to set up one easy vpn server on 887-K9,vpn client can dial up the server successfully but can only ping router but on other lan. Looks like there is a nat issues between lan and vpn client?
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Oct 10, 2011
I can't seem to find out how I can generate a PCF file for a new remote vpn SW client? I have a VPN Concentrator 3000 series.
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Jul 26, 2011
I'm configuring ASA 5510 Remote Access VPN, I can connect from Cisco VPN Client to the ASA VPN. I obtain from ASA some routes to inside networks, but I can't do any ping to those inside hosts. I have got those error in ASDM log file: [code]
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Feb 22, 2011
Recently i have received one of my collegue's laptop that is running windows 7.I have installed cisco VPN client version 5.0.07.0290 on it and VPN client appears to connect to our ASA5540, but we are unable to connect (remote desktop) to any machines on our network as it does on our XP laptops. Furthermore, we cannot ping any as well. Also, while connected the Windows 7 machine is still able to access internet site as if split-tunneling was configured, which its not.
But after some searching , i found from "routeprint" output (shown below ) that my local internet gateway is prefered over the VPN gateway which is 10.10.4.1.Here 10.10.4.19 is the IP address assigned for VPN adaptor.
Network Destination Netmask Gateway Interface Metric 0.0.0.0 0.0.0.0 192.168.1.1 192.168.1.2 25 0.0.0.0 0.0.0.0 10.10.4.1 10.10.4.19 100
But after i manually add the below route on windows 7 laptop , it started connecting to remote desktop successfully.
route change 0.0.0.0 mask 0.0.0.0 10.10.4.1 metric 20
But aftersome time of idle state , it is again going back to original route state of prefering the local gateway of 192.168.1.2 and thus unable to connect to Remote Desktop again.
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Jun 21, 2011
It seemed that show vpn-sessiondb ra-ikev1-ipsec will not provide the client type of the remote vpn user as show vpn-sessiondb remote did before.
Is there a way to find it out on ASA running 8.3?
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Mar 27, 2011
I have successfully installed and configured VPN Client - Version 5.0.07 to connect to ASA 5510 from a remote workstation. Here is the problem, I cannot ping any of the servers or workstations after I successfully connect. I can ping the ASA 5510 using its internal LAN IP, but no other nodes will respond on the remote LAN.
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