Cisco VPN :: ASA 5505 IPSec Tunnel Not Establishing

May 7, 2012

I have a site to site IPSec tunnel setup and operational but periodically the remote site goes down, because of a somewhat reliable internet connection. The only way to get the tunnel to re-establish is to go to the remote site and simply issue a ping from a workstation on the remote network. We were having this same issue with a Cisco PIX 506E but decided to upgrade the hardware and see if that resolve the issue. It ran for well over a year and our assumtions was that the issue was resolved. I was looking in the direction of the security-association lifetime but if we power cycle the unit, I would expect that it would kill the SA but even after power cycling, the VPN does not come up automatically.

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Cisco VPN :: How To Establish IPsec Tunnel Using DNS With ASA 5505

Aug 22, 2011

I´m getting a dynamic public IP from my provider and what I´m trying to do is to establish a remote vpn tunnnel using IPSec which I achieve but every time the sessions resets or the ASA 5505 resets I get a new public IP and I need to put the new IP on the remote client so I can establish the vpn... How can I establish an ipsec vpn  using DNS?  For this scenario the remote vpn client is a vpn phone but it could be for any vpn client. 
 
Private IP                       Public IP                                       Private IP
PBX ---- (LAN) ---- ASA 5505 ---( Internet ) --- Remote Site ( Router ) --- (LAN) -- VPN Phone

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Cisco VPN :: 5505 - Permanent IPSec Tunnel Between Two ASA

Nov 18, 2011

I configured an IPSec VPN tunnel between two ASA 5505 firewalls. I would like to make sure that the IPSec tunnel (hence the security association) is permanent and do not drop due to idle condition.

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Cisco VPN :: ASA 5505 - IPSec VPN L2L Tunnel Up But No Traffic

Mar 19, 2011

I have a Site to Site IPSEC VPN Tunnel created with ASDM wizard.
 
Cisco ASA-5505
Peer A: x.x.x.x
Lan A:     192.168.0.0    255.255.255.0
 Fortinet FortiGate-50b
Peer B: y.y.y.y
Lan B:     192.168.23.0  255.255.255.0
 
I start traffic from LAN B with a ping (or telnet it doesn't matter) that receive no reply but tunnel goes up fine.
 
"show isakmp sa" seems ok (says "State   : MM_ACTIVE")
"show ipsec sa" seems ok but all #pkts are zero
 
try ftp, telnet from LAN B to LAN A systems but no one work. "show ipsec sa" all #pkts are zero As soon as I generate traffic from LAN A to LAN B these works (with tunnel already up) also traffic from LAN B to LAN A works.Obviously if I end VPN and start tunnel making traffic from LAN A all work fine bidirectionally, LAN A reach LAN B and LAN B reach LAN A.No msg logged in either two appliance.
 
Seems a very strange problem because seems not related to Phase1 or Phase2 already established.Traffic (routing ?) start works only after at least one packet goes from LAN A to LAN B.No msg logged in either two appliance.Problems begun in ASA version 8.0(4) ASDM version 6.1(3) and remain/continue after upgrade to ASA Version 8.4(1) ASDM version 6.4(1).

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Cisco VPN :: IPsec Tunnel Configuration With ASA 5505

Feb 10, 2011

Having a problem getting an ipsec tunnel to work between 2 asa 5505. This in one of the two configs.

Result of the command: "show run"
: Saved:ASA Version 8.3(2) !hostname 20Pullmandomain-name skeincenable password IKxxneNMTRgDw/Xd encryptedpasswd 2KFQnbNIdI.2KYOU encryptednames!interface Vlan1nameif insidesecurity-level 100ip address 172.16.1.70 255.255.255.0 !interface Vlan2nameif outsidesecurity-level 0ip [Code]...

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Cisco VPN :: Activate WebVPN Plus IPSec Tunnel On ASA 5505?

Jun 19, 2012

I have 2 ipsec tunnel active on ASA5505 (secplus license).I would like to activate sslvpn also. Is it possible or there are issues in keeping active both services?

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Cisco VPN :: ASA 5505 - Forward All Traffic Over Ipsec Tunnel?

Jul 18, 2011

I currently have two Cisco ASA 5505.  They are at different  physical sites (SITE A, SITE B) and are configured with a site-to-site VPN which is  active and working.
 
I can communicate with the subnets on either site from the other and both are connected to the internet, however I need to ensure that all the traffic at my site B goes through this VPN to my site A.
 
I changed this access-list : access-list outside_2_cryptomap extended permit ip network_siteB network_siteA to access-list outside_2_cryptomap extended permit ip network_siteB any
 
But this does not work. If I do [URL], site B IP address  is not same that site A.

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Cisco VPN :: 5505 LAN-to-LAN IPsec VPN Tunnel Traffic Not Being Routed

Feb 24, 2011

I am trying to set up a LAN-to-LAN VPN tunnel between two sites.  One site has a 5505, and the other site has a 5510.  It looks like the tunnel is being established fine (both ISAKMP and IPSEC SAs look OK), but traffic doesn't appear to be routing across the internet between the devices. [code]

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Cisco VPN :: 5510 - Establishing IPSEC Behind Another ASA Device

Aug 17, 2011

Attached are the configuration files for the devices in question.  I have a 5510 that belongs to my company and a 5505 that belongs to another company.  The 5505 sits behind the 5510 and is able to connect to the Internet.  My thought was that VPN access should be a trivial pursuit.  I was planning on just giving the admin at the remote office the public IP address that's natted to the 5505 and all would be good. 

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Cisco VPN :: 2811 MGRE Tunnel Is Not Establishing Between Two Routers

Aug 5, 2012

A multipoint GRE (mGRE) and IPSec tunnel is built between two routers. The topology of the device is briefied below:Configuration in End Router: This is a cisco 2811 router. Amoung 2 ethernet interface ,one is using for LAN and one is for WAN. In WAN part , we have configured mGRE (Tunnel1 and Tunnel 2)by creating sub-interface of the router. From the interface ,we terminating the link to MPLS cloud from there its pointing towards our core router.From End router we are advertising the path through EIGRP and from the cloud BGP advertisied to the core router.[code]

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Cisco Security :: ASA 5505 / HTTPS From Vpn Client To Internet Host Through Tunnel Ipsec-spoof?

Jan 17, 2013

we have a cisco ASA 5505 and are trying to get the following working:
 
vpn client (ip 192.168.75.5) - connected to Cisco ASA 5505
 
the client gets a specific route for an internet address (79.143.218.35  255.255.255.255     192.168.75.1     192.168.75.5    100) when i try to access the url from the client i get a syn sent with netstat when i try the packet tracer from the ASA i see the following:
 
<Phase>
 <id>1</id>
 <type>FLOW-LOOKUP</type>
 <subtype></subtype>
 <result>ALLOW</result>

[code].....

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Cisco VPN :: Site To Site VPN IPSEC Tunnel From ASA 5505 To Clavister Firewall

Nov 20, 2012

I have weird problem with a Site to site VPN tunnel from a Cisco ASA 5505 to an Clavister Firewall.When I restart the Cisco ASA 5505 the tunnel is up and down,up, down, down, and I get all strange messages when I see if the tunnel is up or down with the syntax: [code]
 
After a while like 5-10 min the vpn site to site tunnel is up and here is the strange thing happening I have all accesslists and tunnel accesslists right I can only access one remote network (Main site Clavister Firewall) trought the vpn tunnel behind the Cisco ASA 5505, and I have 5 more remote networks that I want to access but only one remote network is working trought the vpn tunnel behind the Cisco ASA. I see that when I do this syntax in ASA: show crypto ipsec sa.They had a Clavister Firewall before on that site before and now they have a Cisco ASA 5505 and all the rules on the main site thats have the big Clavister Firewall is intact so the problems are in the Cisco ASA 5505. [code]
 
All these remote networks are at the Main Site Clavister Firewall.

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Cisco VPN :: Tunnel Not Establishing On Site To Site VPN On Router RV220W

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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Cisco WAN :: 1941 Router - Enable IPSec Virtual Tunnel Interface With Tunnel Mode IPv4

Sep 23, 2012

I'm in process of purchasing a new Cisco routers for our branches that will be used primary to enable IPSec virtual tunnel interfce with "tunnel mode ipsec ipv4". does the default IOS IP Base supports this feature? or i need to purchase DATA license or SECURITY license?

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Cisco Routers :: Set A VPN IpSec Tunnel GW To GW Tunnel Between RV110W

Oct 17, 2012

I am using a Cisco RV110W (Firmware 1.2.09) in a branch and I would like to create a VPN Tunnel to another site that has a Cisco RV042 (firmware v4.2.1.02)
 
What would be the correct Configuration? the current configuration I am using is
 
in the RV042 i am using
 
Check Enable 
Local Group Setup
Local Security Gateway Type : IP Only
IP Address : RV042 Pulbic IP address

[Code].....

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Cisco VPN :: Ipsec Tunnel Between Two 881

Oct 19, 2011

- Ipsec tunnell between two 881's
- An Aruba access point trying to set up a tunnell back to controller through the ipsec tunnell, on udp 4500
- Even though traffic shouldn't be NAT'ed (and other traffic is not), udp 4500 is NAT'ed
 
I guess this might be default behaviour, thing is that it used to work when it was set up as a route based easy vpn.

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Cisco :: How To Create Ipsec Tunnel

May 4, 2011

how to create ip sec tunnel using these parameters. customer ip where tunnel has to be connected 1.1.1.1

ISAKMP Parameters: (Phase I)
Encryption: AES-256 or 3DES
Authentication Mode: Pre-shared key

[Code]......

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Cisco :: IPsec VPN Tunnel Between 2820 And 871?

Mar 9, 2011

We have a Cisco 2820 that serves as a hub and our spokes are Cisco 871s. Its been working for a while and for some reason last week. Http and https traffic over the tunnel is having connection issues. I can Remote desktop or PCanywhere into the remote PCs. From that PC I can ping internal IP address or IP of the webmail server or internal webserver with no issue. But if I access it over the browser it times out or it will work and stop working again. Basically ica, icmp, pcanythere, rdp traffic works over the tunnel but not http or https.

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Cisco VPN :: Force Use Of NAT-T On IPSEC L2L Tunnel

May 4, 2011

can I force an IPSEC L2L tunnel to use NAT-T encapsulation no matter what? Automatic detection says none of the endpoints are behind NAT. I know I can disable it by the "crypto map XXX set nat-t-disable" command, but I want the exact opposite.
 
I have a very strange issue where asynchronos routing is making my life as a technician very hard.
 
A side question; Can I do something about an ISP that is policy-base-routing its ESP traffic (and/or translating it)?
 
ASA5505 ===>===>===> ISAKMP traffic ===>===>===> ASA5510
212.178.155.73                                                                 80.62.yyy.xxx (traffic source IP: 212.178.155.73)

[Code].....

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Cisco VPN :: ASA Or 871 IPSec L2L To SSG-140 - Tunnel Is Up But No Traffic

Aug 8, 2012

i am curently troubleshooting a ipsec l2l VPN between
 
1. ASA 7.2(4) to SSG-140
2. Cisco 871W to SSG-140
 
In both scenario's the tunnel is nicely established, and traffic goes into the tunnel, but nothing comes out. All encap's, but no decap's                    
 
It seems like a routing issue, but we can not find anything on both sites.
 
So maybe i m running into a (known) issue between cisco VPN equipment and the SSG-140?
 
Could it be a proxy-id issue? Cause they configure stuff like 10.1.1.0/24 and i configure 10.1.1.0 0.0.0.255

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Cisco VPN :: PIX-501 IPSec To Configure Tunnel

Mar 24, 2011

I'm attempting to configure a tunnel on a PIX-501 version 6.3. It's an old device that's due to be replaced soon, but unfortunately we need a tunnel now... I have been using this document as a reference (6211): URL ,The remote end is a sonicwall.
 
The problem seems to be that the pix never sees the interesting traffic for the tunnel, and never tries to initiate a connection. I have enabled crypto ipsec and crypto isakmp debugs, but no data is ever displayed, even when attempting to access a device on the remote side of the tunnel! Someone had tried to set up this device with some tunnels in the past, but was never successful, so I'm thinking there might be remaining commands in the running-config causing problems.

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Cisco VPN :: 887 - Static NAT With IPSec Tunnel

Oct 29, 2012

configuring some static NAT entries on a remote site 887 router which also has a IPSec tunnel configured back to our main office. 
 
I have been asked to configure some mobile phone "boost" boxes, which will take a mobile phone and send the traffic over the Internet - this is required because of the poor signal at the branch.  These boxes connect via Ethernet to the local network and need a direct connection to the Internet and also certain UDP and TCP ports opening up.
 
There is only one local subnet on site and the ACL for the crypto map dictates that all traffic from this network to our head office go over the tunnel.  What I wanted to do was create another vlan, give this a different subnet.  Assign these mobile boost boxes DHCP reservations (there is no interface to them so they cannot be configured) and then allow them to break out to the Internet locally rather than send the traffic back to our head office and have to open up ports on our main ASA firewall. 
 
[URL]
 
So I went ahead and created a separate vlan and DHCP reservation and then also followed the guidelines outlined above about using a route-map to stop the traffic being sent down the tunnel and then configured static NAT statements for each of the four ports these boost boxes need to work.  I configure the ip nat inside/outside on the relevant ports (vlan 3 for inside, dialer 1 for outside) The configuration can be seen below for the NAT part;
 
! Denies vpn interesting traffic but permits all otherip access-list extended NAT-Trafficdeny ip 172.19.191.0 0.0.0.255 172.16.0.0 0.3.255.255deny ip 172.19.191.0 0.0.0.255 10.0.0.0 0.255.255.255deny ip 172.19.191.0 0.0.0.255 192.168.128.0

[Code].....

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Cisco :: L2L IPSec Tunnel - ASA To 3800 Router

Mar 3, 2011

I have been struggling for a few days with getting site-to-site traffic working across a L2L IPSec tunnel. At this point, I have the tunnel up, and I see packets being decrypted on the correct IPSec SA's when I ping from a local network computer on the ASA side to a local network computer on the router side. I cannot ping from one side to the other, but those packets are getting through. We have another L2L tunnel that is from that ASA to another remote site's ASA, and that is functional. I have mirrored the configuration for ACLs, etc. from that site, so I believe that the issue is with the packets getting incorrectly translated by the NAT/NONAT statements/ACLs on the router side.

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Cisco :: Reach Second LAN Over Existing IPSec Tunnel?

Nov 28, 2012

since a few days I'm trying to solve a problem. I've successfully established an IPSec tunnel between two local LANs. In the main office I'm working with a ASA5510 CLI 8.4 and a static public IP address. The branches are using different Cisco 8xx routers and dynamic public IP address. The following picture shows the current configuration:As I mentioned an IPSec Tunnel between the main office "Intern"-LAN 192.168.1.0/24 and an outside LAN 10.10.0.0/24 is successfully established. Now there is a new intern "Admin"-LAN 192.168.2.0/24 at the main office. The users from the outside LAN 10.10.0.0/24 need the possibility to reach this new intern "Admin"-LAN.Can I simply route the traffic from 10.10.0.0/24 to 192.168.2.0/24 via the existing IPSec-Tunnel? Or need I a new IPSec tunnel between the outside 10.10.0.0/24 LAN and the new "Admin"-LAN 192.168.2.0/24?

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Cisco :: DNAT / SNAT After IPSec Tunnel

Aug 24, 2012

I'm going to implement a S-2-S VPN IPSec connection between 2 locations and I've to NAT incomming and outgoing traffic.

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Cisco WAN :: ASA5510 Routing Through IPSEC Tunnel

May 20, 2013

I have an ASA5510 configuration that I'd like to add to.In this configuration there is a site to site IPSEC VPN tunnel to a remote location.It is tunneling a particular subnet for me and everything is working.In the remote subnet, there is an ASA 5525-x connected on the outside interface. Let's say for argument's sake, the outside IP is 210.0.0.1.On the Inside interface, i've configured 10.240.32.0/24 network.The only static route I have configured on the 5510 is the default gateway that goes to the ISP.I assumed that I have to add: route Outside 10.240.32.0 255.255.255.0 210.0.0.1 1.I did this, but i'm not able to reach the destination 10.240.32.0/24 network. I can't see anything hitting the 5525-x and the only thing I see on the 5510 is the building outbound ICMP and the teardown for the ICMP.

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Cisco VPN :: 881 / Route Traffic Thru IPSec Tunnel To DMZ

Jun 29, 2011

I need to route traffic to DMZ (and internal) from the branch office thru the IPSec tunnel. How do I manage that with my Cisco 881?

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Cisco VPN :: ASA5540 / Disable IPSec VPN Tunnel

Mar 29, 2011

I have running more the 30 VPN tunnels on my ASA5540 release 8.3(x).I want to disable one VPN tunnel(temporarily) without removing the configuration either Phase 1 or Phase 2.let me to know the command to disable IPSec VPN tunnel on CLI or ASDM.

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Cisco VPN :: Configuring IPSec Tunnel On ASA5505 V8.31

Aug 9, 2012

I'm having trouble configuring an ASA5505 on version 8.31 code for an IPSec tunnel.  I've done this multiple times on 8.2.5 but can't seem to get my tunnel to even attempt to come up on this ASA.  Not sure if it's relevent or not, but this remote ASA has never been used for another VPN tunnel before.  When I attempt to ping a host on the other side of my tunnel, I just see the following: 8108# sho crypto isa sa
  
There are no isakmp sas
  
My local network is 10.1.1.X/24 and my remote peer network contains 66.37.227.X/24.  I've been working on this for the better part of the day and would love to get it resolved.

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Cisco VPN :: IPSEC Split Tunnel With SR520

Aug 3, 2011

I've created an IPSEC VPN site-to-site from a SR520 (remote office) to a Nortel Contivity(home office)...all works really well on the VPN front as I can communicate effectively over the tunnel.  However, this setup will be deployed at a few smaller sites and I'd like to setup a split tunnel so that Internet bound traffic goes straight  to the Internet while traffic bound for our home office goes over the IPSEC Tunnel. 

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Cisco VPN :: 1900 Routers - IPSec S2S Tunnel Cannot Up

Apr 23, 2012

We have about 9 1900 routers and 1 ASA 5510 for partail mesh VPN network. So 8 1900 connect to 1 1900 and ASA located in HQ and datacenter. All worked well however there is one site running really strange. The tunnel between 1900 is up for a while and down. Reboot router seems to be the only fix. But tunnel to ASA does not seem to be down at all.
 
The issue happened again today, we rebooted the router on site but tunnel still not up. DEBUG shows: deleting SA reason "Death by retransmission P1 "
 
I can see alot of Apr 24 19:57:55.271: ISAKMP:(0): retransmitting phase 1 MM_NO_STATE...
 
To me it seems like the IDE packet sent but never got reply and timed out. I did also check on the other end, the HQ. All other tunnels are still running fine on that router, just this remote site. Plus I got the similiar output when debugging on HQ router.
 
One thing do notice though, there was no match on both router for the ACL to match/permit ESP traffic... I asked on-site staff to reboot the modem used in remote site.

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Cisco VPN :: 877 IPSec Tunnel With Dynamic IP Address

Aug 3, 2011

I'm having some trouble configuring 2 cisco routers (877) with ipsec vpn tunnel.The 2 of them are linked to the internet with dynamic adsl's - their ip-addresses changes all the time.when the configuration is based on ip addresses it's working ok, but when I'm trying to use host name with the DDNS feature, it's not coming up, I get a lot of errors...
 
I've searched google and various posts regarding that issue.It's seems like it's possible to do a dynamic-ip to dynamic-ip ipsec tunnel, but I found zero manuals and configuration.I've added the template that I'm using to configure the tunnel with ip addresses.

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Cisco VPN :: Get IPSec Tunnel Between 2 881-s / No Debug Info Comes Up?

May 23, 2011

Iam fairly new to Cisco IOS and am having trouble getting an IPSEC tunnel to come up between 2 cisco 881-s. I have entered both debug crypto isakmp and debug crypto verbose but when I try to ping an internal IP at the other location through my VLAN1 interface no debugging info comes up.

Also my ACL-s for the crypto maps show no activity.  I have tried many things so my configuration files are starting to get really messy.

[code]...

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