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VPN traffic

 

 

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rmikisa at gmail

Nov 18, 2009, 4:40 AM

Post #1 of 2 (272 views)
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VPN traffic

Dear all,

In trying to troubleshoot VPN traffic on a Cisco ASA 5520, is it possible to
debug the actual traffic in the tunnel. Scenario: Site to site tunnel comes
up but either side cannot reach the remote nodes beyond the firewalls.

Regards,
Richard

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rwest at zyedge

Nov 18, 2009, 5:24 AM

Post #2 of 2 (256 views)
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Re: VPN traffic [In reply to]

Hi,

> -----Original Message-----
> From: cisco-nsp-bounces [at] puck [mailto:cisco-nsp-
> bounces [at] puck] On Behalf Of Mikisa Richard
> Sent: Wednesday, November 18, 2009 7:40 AM
>
> Dear all,
>
> In trying to troubleshoot VPN traffic on a Cisco ASA 5520, is it
> possible to
> debug the actual traffic in the tunnel. Scenario: Site to site tunnel
> comes
> up but either side cannot reach the remote nodes beyond the firewalls.
>

Can you describe your scenario in a little more detail? Is the firewall inline with all traffic? If it's not, you're probably hitting a routing issue. With just informational level buffer logging, you should be able to see why the traffic might be failing. If you want to process the traffic through your ACLs and watch for hits there, you can disable sysopt permit-vpn.

-ryan
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