Unable to access to LAN with VPN with some ISP

Answered Question
Apr 25th, 2008
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Hello,


We have a VPN Remote Access IPSEC with an ASA5505. The VPN etablish correctly but we can't access to the Inside or to the ASA from my office.


But at home with an other Internet Service Provider it works ! We can access to the inside.


We try with other ISP and it works with 2 and doesn't work with 2 others !


At the office we have also an ASA5505, but we have other VPN on other sites which work correctly.


Any ideas ?


Thank you and sorry for my English.

Correct Answer by acomiskey about 9 years 2 months ago

Add...


crypto isakmp nat-traversal


That should do the trick! Please rate if it helps.

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Overall Rating: 5 (1 ratings)
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acomiskey Fri, 04/25/2008 - 07:01
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Check config for...


isakmp nat-traversal


or


crypto isakmp nat-traversal

jimmy@alizes.info Fri, 04/25/2008 - 07:22
User Badges:

I have


crypto isakmp enable outside

crypto isakmp policy 10

authentication pre-share

encryption 3des

hash sha

group 2

lifetime 86400

crypto isakmp policy 30

authentication pre-share

encryption 3des

hash md5

group 2

lifetime 86400

no crypto isakmp nat-traversal


Thanks

Correct Answer
acomiskey Fri, 04/25/2008 - 07:27
User Badges:
  • Green, 3000 points or more

Add...


crypto isakmp nat-traversal


That should do the trick! Please rate if it helps.

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