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SITE2SITE VPN BETWEEN PIX515E AND SONICWALL

Posted on 2005-04-28
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hello everyone,

i am trying to establish a sitetosite vpn between a PIX515E and SONICWALL firewall. i was able to establish sitetosite vpn between two pix firewall. but i am not able to do this when its between pix and sonicwall. To guide me in this, i have used the docuement available in sonicwall website. But still no use. if anyone have attempted this before or who got expertise in this, please help. In addition to this if anyone can help by giving some hints on troubleshooting the vpn connection issues between PIX and SONICWALL, i would be grateful.

thanks
 
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Question by:GEMINI-INDIA
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by:lrmoore
ID: 13899004
Troubleshooting tools on the PIX side:

 sho cry is sa
 sho cry ip sa
 debug cry isa

Check to see if Perfect Forward Secrecy is enabled on the Sonicwall. The PIX does not enable by default, but many other firewalls do.. If so, just un-check it on the Sonicwall..

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by:GEMINI-INDIA
ID: 13907137
thanks for the response. i checked SONIC, PFS is disabled there too.
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by:einsteinjr79
ID: 13915426
If the interoperability does not work try this out.

I have tried this between PIX 515E (located in Europe) and SonicWall 2040 (located in Middle East, where we are located) and it worked.


1) Have an internal server mapped to external address as VPN server.
2) Get the public address/ gateway address of the external firewall/router.
3) On the SonicWall create a rule that allows inbound connections through PPTP i.e. port number 1723 (TCP) only from that public address to the VPN server.
4)Activate the connection (which is self in SonicWall) and try to connect to the VPN server.

N.B. you need not have a separate server for this . You can use your file and print server as VPN server.

With reagrds to interoperability I will try to find sort this issue

regards,
Einy
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Author Comment

by:GEMINI-INDIA
ID: 13915961
i am not using PPTP. The pix and sonic should act as the vpn server allowing ipsec/ike.
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by:GEMINI-INDIA
ID: 13942621
hello all,

i sorted out the problem. the issue was in the advanced settings screen of sonic, they have entered my pix external interface ip address as gateway. actually it should be 0.0.0.0 and nothing else. ie no settings has to be changed in advanced settings screen of sonic wall vpn configuration.
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by:lrmoore
ID: 13943922
Good work! Sorry we couldn't have been more help. You can post a Q in community support and ask a moderator to PAQ this question since you answered it yourself..

Thanks for the follow up..
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