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VPN Help.

Posted on 2006-11-17
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Last Modified: 2013-11-16
I am working on building a site to site vpn between a pix 506 and a cisco vpn box however am having some trouble getting the tunnel setup. What are some troubleshooting tips?
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Question by:af500
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8 Comments
 
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Expert Comment

by:lrmoore
ID: 17971929
Make sure that both ends match:
Start with output of "show cry is sa" - look for QM_IDLE
MM_NO_STATE is problems with ISAKMP phase I
   check pre-shared keys
   check peer IP address
   check transform sets match, ie. 3des/md5/group 2
   check timeouts match
   enable/disable keepalive both sides

"show cry ip sa" look for error packets, one-way communications (decrypts but no encrypts, or encrypts but no decrypts)  
Access-lists to define the VPN traffic (local lan) - (remote lans) are mirror images both sides
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LVL 4

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by:af500
ID: 17982986
double-checked all ipsec & isakmp paramaters...

show cry ip sa - I'm not seeing any traffic...

my network is 192.168.1.xxx however the IP range I have to use is 192.168.10.xxx - something else on the pix need to be changed?
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LVL 79

Expert Comment

by:lrmoore
ID: 18107902
Are you still working on this? Have you found a solution?
Sorry about not getting back around to this Q . .
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by:af500
ID: 18230196
I ended up having to upgrade the IOS to the latest to resolve this.
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by:af500
ID: 18230354
thanks
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