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Cisco RV042 Gateway to Gateway VPN - cannot ping.

Posted on 2012-03-28
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Last Modified: 2012-08-29
Hi,

I have recently set up a gateway to gateway vpn using cisco RV042 routers at either end, The VPN connects fine however I cannot ping devices from either end i.e. using a device at site A I cannot ping a device at site B and vice versa.

It also looks to me that the VPN connection hasn't actually established (even though the the status of the tunnel is listed as connected). Devices as site be appear offline as they cannot access the required resources at site A.

The VPN config is as follows:

Local Security Gateway Type :  IP Only
IP Address :  WAN IP of site A
Local Security Group Type :IP Range
Begin IP :  192.168.0.1
End IP :  192.168.0.254
 
 

--------------------------------------------------------------------------------
 
 
Remote Group Setup
Remote Security Gateway Type :  IP Only
IP Address: Wan IP of site 2  
Remote Security Group Type :  IP Range
Begin IP : 192.168.1.1  
End IP:   192.168.1.254
 
 

--------------------------------------------------------------------------------
 
 
IPSec Setup
Keying Mode :  IKE with Preshared key
Phase 1 DH Group :  Group 1 - 768 bit
Phase 1 Encryption :  AES-256
Phase 1 Authentication :  SHA1
Phase 1 SA Life Time :  86400 seconds
Perfect Forward Secrecy :   Enabled
Phase 2 DH Group :  Group 1 - 768 bit
Phase 2 Encryption :  AES-256
Phase 2 Authentication :  SHA1
Phase 2 SA Life Time :  seconds
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Question by:Adma1
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8 Comments
 

Author Comment

by:Adma1
ID: 37781292
I am in desperate need of help on this one, any advise anyone has would be greatly appreciated.

Thanks,
A
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LVL 2

Accepted Solution

by:
JonyHolt earned 1500 total points
ID: 37788530
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Author Comment

by:Adma1
ID: 37794466
Thanks JohnHolt for your response,

I have read through the threads on your post. I have checked the following:

Using the ping tool under the router diagnostics I can ping site A from remote site B but cannot ping site B from local site A, if that makes sense?

I then checked the 'Advance Routing' table and there are quite a few entries in the list that I cannot make sense of. However none of the entries from what I can tell relate the VPN in question.

I then tried adding a static route within the router at local site A to include the WAN IP subnet mask and local default gateway(192.168.1.1) of site B. This made difference and from what i can tell it looks like this entry hasn't made it to the advance routing list.

Any further advise you may have would be greatly appreciated.
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Author Comment

by:Adma1
ID: 37794470
see attached picture of routing table
routing-table.jpg
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Author Comment

by:Adma1
ID: 37794838
Hi JonyHolt

I notice your closing remarks on your post.

JonyHolt requested that this question be closed by accepting JonyHolt's comment #37727419 (0 points) as the solution for the following reason:

Great answer, I had to do a little bit of work around but was able to get it up and running =)


Can you please advise what it was you did in order to get you VPN tunnel working correctly.

Many Thanks.
0
 
LVL 2

Expert Comment

by:JonyHolt
ID: 37816557
Hi Adma1,

 For testing purposes, did you disable your firewall on both sides? Are they both directly connected to the modem with a static IP?

 What is acting as the DNS server by the way?
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