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Cisco PIX 506e + Cisco VPN Client 4.03

Posted on 2004-10-13
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Last Modified: 2013-11-16
Following this:
http://www.cisco.com/en/US/products/hw/vpndevc/ps2030/products_configuration_example09186a0080093f89.shtml

I was able to setup a VPN connection, however I am unable to browse the remote network.

Any ideas / help on how to troubleshoot this?
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Question by:just1coder
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15 Comments
 
LVL 79

Expert Comment

by:lrmoore
ID: 12299691
Do you have internal DNS/WINS servers?
Are they properly identified in the vpngroup config?
Did you use a separate IP subnet for your clients than your local LAN?

Can you paste your config?

You can try adding a LMHOSTS file with domain controller identified...

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LVL 2

Author Comment

by:just1coder
ID: 12299703
Sorry, I should have been more specific. I *can* browse to the remote LAN servers via IP address, but not hostname.

Is there a particular part of the config?

LMHOSTS ?
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LVL 2

Author Comment

by:just1coder
ID: 12299722
The remote LAN has internal DNS - no WINS.

There is a seperate submet for the VPN clients.
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LVL 79

Expert Comment

by:lrmoore
ID: 12299876
Try adding a LMHOSTS file on your PC. You only need the two entries for the Domain Controller:

http://support.microsoft.com/kb/180094/EN-US/
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Author Comment

by:just1coder
ID: 12299950
Great - thanks

Is there anything I can do to allow the VPN, as well as the normal traffic simultaneously?

Whenever I open the VPN it drops all of my other connections.
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LVL 79

Accepted Solution

by:
lrmoore earned 70 total points
ID: 12300029
Use the split-tunnel acl and only define traffic from your local lan to the VPN client subnet

Example:

   access-list split_tunnel_acl permit ip <local lan> mask <client subnet> mask
  vpngroup split-tunnel split_tunnel_acl

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LVL 2

Author Comment

by:just1coder
ID: 12300227
OK, looking good! But now when I have my connection established, and another user connects my connection is dropped.
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LVL 79

Expert Comment

by:lrmoore
ID: 12301357
That's not good...
How many IP addresses are there in your VPN address pool?
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LVL 2

Author Comment

by:just1coder
ID: 12301519
Thanks for you help!! If I had more pts I would certianly assign them :)

For the IP pool, I used: 10.99.99.0 - 10.99.99.255

On another note, adding this to the config seems to have aced my existing PIX-to-PIX config :o

nat (inside) 0 access-list no_nat <-- that was changed to: nat (inside) 0 access-list 101
nat (inside) 1 0.0.0.0 0.0.0.0 0 0

coudl I have just added it as:
nat (inside) 2 access-list 101?

Thank goodness for backups.
0
 
LVL 79

Expert Comment

by:lrmoore
ID: 12301567
I'd have to see your complete config, but I'll try to explain
<you can always buy points>

You need multiple entries in your nat 0 acl. Combine both the VPN clients and the remote site LAN-LAN vpn:

   access-list 101 permit ip <local subnet> mask <remote subnet> mask
   access-list 101 permit ip <local subnet> mask 10.99.99.0 255.255.255.0
   nat (inside) 0 access-list 101
                    ^^
                   This MUST be a zero
0
 
LVL 2

Author Comment

by:just1coder
ID: 12301668
I see. Thanks. I will give that a go.
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LVL 2

Author Comment

by:just1coder
ID: 12309761
I went through the examples line for line and was able to get both working successfully, however I still have the problem where I can not have more than 1 user connected to the VPN at the same time.
0
 
LVL 79

Expert Comment

by:lrmoore
ID: 12309825
Do you have nat-traversal enabled?

 isakmp nat-traversal 20  
0
 
LVL 2

Author Comment

by:just1coder
ID: 12309974
No - will try now.
0
 
LVL 2

Author Comment

by:just1coder
ID: 12310036
Excellent, thank you!
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