It seems that any number of problems can lead to this error message. It’s important to note that the AnyConnect client (at least in Windows) does not seem to trim any trailing spaces on the name either. If you “pad” the name with an extra space it will fail. It works in the short term, but the problem will resurface again in a few weeks. They have other devices coming from the same location running win7 that have no problems connecting.

This basically means that R-U-THERE messages are not sent if the VPN session is completely idle or the peer responds in a timely manner. Connecting to another region (different set of VPN HEs) caused a new file to be downloaded, and then we were able to connect to the original HEs. We don’t know why the anyconnect.xml file became corrupted, but this fixed the problem in all cases. While I never had a specific answer to the root cause of this issue, the client ended up formatting the computer and reinstalling windows.

I beleive this is more of a client issue than  VPN server. Browse discussions, ask questions, and share experiences across hundreds of health topics. Depression can develop for no apparent reason, or it can be triggered by a life event such as a relationship problem, a bereavement, or an illness. People with bulimia nervosa have episodes of binge eating which they counteract by making themselves sick. Obsessive-compulsive disorder (OCD) is a condition where you have recurring and persistent ideas that make you do repetitive actions.

This RFC describes DPD negotiation procedure and two new ISAKMP NOTIFY messages. Specifically, DPD is negotiated via an exchange of the DPD ISAKMP Vendor ID payload, which is sent in the ISAKMP MM messages 3 and 4 or ISAKMP AM messages 1 and 2. DPD Requests are sent as ISAKMP R-U-THERE messages and DPD Responses are sent as ISAKMP R-U-THERE-ACK messages. I have imported the .cer from the CA and the identity certificate has only server authentication as it’s usage.

Also, you can configure “one-way” DPD mode on ASA. The ASA will respond to R-U-THERE messages, but will not initiate DPD exchange (“threshold infinite” configuration option). ASA and PIX firewalls support “semi-periodic” DPD only.

GP practice services

I am having the same problem now that we have moved to Anyconnect 4.4 and seeing the exact same issue. This host routes disappears once I disconnect from the VPN. So I believe host tries to reach DNS sever over wrong address. The most common problem with DPD is Windows or network firewall that blocks server to client communications over UDP. Causes the VPN Client to negotiate NAT-T, even if there is no NAT device involved in the connection attempt. This helps with some firewalls’ disconnecting the VPN Client unexpectedly.

You cannot disable DPD in Cisco VPN Client GUI or configuration files. The default mode is “on-demand” if not specified. Specifically, in the DDTS CSCin76641 (IOS 12.3(09.08)T) a decision was made to not send R-U-THERE request when the periodic DPD is configured and a traffic is received from the peer. Finally, it has reverted to the original behavior. See DDTS CSCsh12853 (12.4(13.11)T 12.4(11)T02 12.4(09)T05 12.4(06)T08) for details. An implementation should retransmit R-U-THERE queries when it fails to receive an ACK.

  • It seems that this version of Cisco VPN Client uses different DPD algorithm, which is similar to ASA “semi-periodic” DPD.
  • You cannot disable DPD in Cisco VPN Client GUI or configuration files.
  • This helps with some firewalls’ disconnecting the VPN Client unexpectedly.
  • The connection licenses included in the RV340, RV345, and RV345P are not client licenses.
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Thank you for your comment, but the issue is anyconnect client assigns this route by using the DHCP server of physical host not the VPN client. Unfortunately which is also our DNS server for VPN and non VPN clients. It seems that this version of Cisco VPN Client uses different DPD algorithm, which is similar to ASA “semi-periodic” DPD. I.e. the VPN Client sends its R-U-THERE message to a peer if the peer was idle for approximately ten seconds. The VPN Client may have nothing to send to the peer, but DPD is still sent if the peer is idle.

  • Specifically, DPD is negotiated via an exchange of the DPD ISAKMP Vendor ID payload, which is sent in the ISAKMP MM messages 3 and 4 or ISAKMP AM messages 1 and 2.
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  • While I never had a specific answer to the root cause of this issue, the client ended up formatting the computer and reinstalling windows.
  • Testing reveals that DPD bahavior is not changed whether you set it to 0 or 1 (at least on Windows XP).
  • There’s no way for the other end to know ahead of time what the ip address will be so it cannot originate traffic.

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It provides remote end users with the benefits of a Cisco Secure Sockets Layer (SSL) VPN client, and supports applications and functions not available on a browser-based SSL VPN connection. Commonly used by remote workers, AnyConnect lets them connect to the corporate computer infrastructure as if they were physically at the office, even if they are not. This adds to the flexibility, mobility and productivity of the workers. We have secure domain within the corporate network and access this secure domain over the VPN tunnel. Originate only would be used on an ASA with a DHCP assigned address that then has a site to site tunnel with another site setup for dynamic tunnel negotiation.

DPD on ASA

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Install Cisco AnyConnect Secure Mobility Client on a Windows Computer

I.e. they send R-U-THERE message to a peer if the peer was idle for seconds. ASA may have nothing to send to the peer, but DPD is still sent if the peer is idle. If the VPN session is comletely idle the R-U-THERE messages are sent every seconds. Another caveat is that you cannot disable DPD completely. DPD is always negotiated, even if not configured or disabled in ISAKMP profile with “no keepalive”.

(Optional) Check the Lock Down Component Services check box if the feature needs to be enabled. Enabling this feature will prevent users from disabling the Windows Web Security service. Now I have enabled vpngina and the WebVPN is shuttered, but remote vpn access is still working.

If I set the logging messages to debugging I can see that the device selects the correct trustpoint, but it doesn’t extract anything from the certificate. Come back to expert answers, step-by-step guides, recent topics, and more. The Cisco AnyConnect Secure Mobility Client can be downloaded for free, however, you need to have client licenses to use it.

Also, this parameter is mentioned in the DDTS CSCso05782. Testing reveals that DPD bahavior is not changed whether you set it to 0 or 1 (at least on Windows XP). I am currently facing a problem regarding AnyConnect authentication with AAA+certificate. The error is related to what AnyConnect administrators changed “since last time”. There was a static port address translation of port 443 on ASA internet interface that was directed to some web interface on the internal network.

Known Issues

As stated in the OP, with or without space, I get an error. We had another FlexConfig defined elsewhere to enable some other features (vpngina). Thanks for info, things are looking good so far with the affected users. In this case it is possible to use “ForceNatT” parameter to encapsulate data into UDP.

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