Sounds like an issue with the VPN software to me. Have you tried Cisco support and KB to see if there is something on this issue?
Jon On Wed, Oct 19, 2011 at 10:49 AM, Garcia-Moran, Carlos < [email protected]> wrote: > Everything on ipconfig looks normal, but when you’re on a CMD windows and > try to resolve anything you can’t it times out. Firewall rule isn’t an > option for now, We did run wireshark , it seems DNS requests get sent , come > back and then windows 7 IP stack eat’s them**** > > ** ** > > When not on VPN, DNS works perfect** > > ** ** > > *From:* Ziots, Edward [mailto:[email protected]] > *Sent:* Wednesday, October 19, 2011 10:06 AM > > *To:* NT System Admin Issues > *Subject:* RE: Windows 7 No DNS with Cisco VPN**** > > ** ** > > I would assume that you would get the DNS settings from the DHCP scope, and > there is a dedicated DHCP scope for those coming in via the Cisco VPN. *** > * > > ** ** > > When you say DNS drops, do you not see it on an IPconfig /all or when you > try and ping the DNS servers they are not responding? **** > > ** ** > > I got 5.0.01.0600 running on my Windows 7 Laptop and never had a problem. > You could also create a inbound firewall rule on the public/domain profiles > to allow the client to talk through, but I don’t think that is going to make > a difference. **** > > ** ** > > Also if you ran a sniffer on the client, and saw what was coming via the > DHCP packets in the offer to the client, that might help track down the > issue. **** > > ** ** > > Z**** > > ** ** > > ** ** > > ** ** > > Edward E. Ziots**** > > CISSP, Network +, Security +**** > > Security Engineer**** > > Lifespan Organization**** > > Email:[email protected]**** > > Cell:401-639-3505**** > > [image: CISSP_logo]**** > > ** ** > > *From:* Garcia-Moran, Carlos [mailto:[email protected]] > *Sent:* Wednesday, October 19, 2011 9:09 AM > *To:* NT System Admin Issues > *Subject:* Windows 7 No DNS with Cisco VPN**** > > ** ** > > Hey all;**** > > ** ** > > Has anyone seen this problem when migrating to windows 7? We are using the > Cisco VPN Client Version 5.0.0.7.0240 (and latest as well on some) 90% of > the time when a user connects things work fine, but 10% of the time DNS > drops, they can resolve outside or inside addresses, IP works fine.**** > > ** ** > > We’ve added hosts file’s to peoples desktops and this sometimes works and > other times it doesn’t. Disabled IP Autotune, RSS and Chimney.**** > > ** ** > > Any ideas?**** > > ** ** > > Thx!**** > > ** ** > > Carlos Garcia-Moran**** > > Server / Storage Engineer**** > > Sprague Energy**** > > www.spragueenergy.com**** > > P: 603-430-5355**** > > C: 857-234-0343**** > > F: 603-430-7219**** > > ** ** > > ** ** > > _________________________________________________________ > This e-mail, including attachments, contains information that is > confidential and may be protected by attorney/client or other privileges. > This e-mail, including attachments, constitutes non-public information > intended to be conveyed only to the designated recipient(s). If you are not > an intended recipient, you are hereby notified that any unauthorized use, > dissemination, distribution or reproduction of this e-mail, including > attachments, is strictly prohibited and may be unlawful. If you have > received this e-mail in error, please notify me by e-mail reply and delete > the original message and any attachments from your system. > _________________________________________________________**** > > **** > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ > ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ > > --- > To manage subscriptions click here: > http://lyris.sunbelt-software.com/read/my_forums/ > or send an email to [email protected] > with the body: unsubscribe ntsysadmin**** > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ > ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ > > --- > To manage subscriptions click here: > http://lyris.sunbelt-software.com/read/my_forums/ > or send an email to [email protected] > with the body: unsubscribe ntsysadmin**** > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ > ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ > > --- > To manage subscriptions click here: > http://lyris.sunbelt-software.com/read/my_forums/ > or send an email to [email protected] > with the body: unsubscribe ntsysadmin > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ --- To manage subscriptions click here: http://lyris.sunbelt-software.com/read/my_forums/ or send an email to [email protected] with the body: unsubscribe ntsysadmin
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