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Sonicwall tz170 x2 site to site vpn gateway issue

Posted on 2009-05-18
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Last Modified: 2013-11-16
I am having DNS issues with this VPN, the Portal is open, and traffic can flow correctly, the two networks are on different domains, i keep having to use full name resolution i.e. ts.domain1.local and not just ts, using windows VPN i can just use ts. i have set up forward lookup zones on each dns server but it doesnt make any difference.

 i also have a problem when connecting to our main site's company web, get the "unauthorised ip". but if i connect locally using windows VPN, all of these issues go away so it has something to do with the 2 sonicwalls.

i have this error popping up every now and then:
24      05/18/2009 11:45:39.736      IKE Responder: IPSec proposal does not match (Phase 2)      91.84.16.74      82.152.225.206      192.168.49.0/24 -> 192.168.50.0/24       
25      05/18/2009 11:45:39.736      IKE Responder: No match for proposed remote network address      91.84.16.74      82.152.225.206      192.168.49.0/24

Which is odd as the remote networks are set on both sides to 192.168.50.0 and 192.168.102.0, so i dont know why its trying .49 ?

CONFUSED!!

Thanks for help in advance

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Question by:racphillips
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2 Comments
 
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Accepted Solution

by:
ccomley earned 2000 total points
ID: 24419517
Your first problem is one of DNS config I suspect. What DNS server is the remote user using to look up "ts"? If it isn't YOUR dns server then it won't find it. I suspect the remote user will be using his ISP's DNS server. But as you found you can use the FQDN, then, that's your solution - it's what FQDNs are for. :-)

The second one - you probably have the Proposal parameters incorrect but without seeing them we can't tell - please type in the following for EACH SITE

Wan address
Gateway address
LAN range

Settings from "General" tab of VPN config
Settings from networks tab
Settings from Proposals tab

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Author Closing Comment

by:racphillips
ID: 31582543
There were some old Static routes setup on the Sonicwall that i didnt see before, so ive sorted out the VPN issues, DNS is still strange and cant access one server, only on though, will give you points for that though, cheers,
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