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tunnel issue

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orange juice

Post subject: tunnel issue

Posted: Tue May 29, 2012 9:11 pm

New Member

Joined: Thu May 17, 2012 8:04 pm
Posts: 6
Certs: ccna

Hey all, I'm in trouble with tunnel.
One site is juniper ssg140 and the other site is Cisco Router ,and they can establish IPSEC VPN and also can Ping by physical interface, but Whatever I config the tunnel mode is GRE or not the tunnel IP can't ping each other . I guess I am missing something . but I have not the config details. Is there anyone have the same issue ? And how to resolve it ？
Any ideas thank you!

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mellowd

Post subject: Re: tunnel issue

Posted: Wed May 30, 2012 3:03 am

CCIE #38070

Joined: Wed Jun 18, 2008 7:49 am
Posts: 12425
Location: London, UK
Certs: CCIE ,CC-NP/IP, JNCIP-SP, JNCIS-ENT, BC-/SPNE/NP

I've done these types of tunnels hundreds of times.

Are you doing a route-based or policy-based vpn on the SSG?

Let me see both configs.

Anything in the Juniper log about phase 1 or phase 2 not working?

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orange juice

Post subject: Re: tunnel issue

Posted: Wed May 30, 2012 9:12 pm

New Member

Joined: Thu May 17, 2012 8:04 pm
Posts: 6
Certs: ccna

The IPSEC VPN is established and the connection is ok.
The problem is why the tunnel IP can not Ping each other ? and that is customer want to know.

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burnyd

Post subject: Re: tunnel issue

Posted: Wed May 30, 2012 10:00 pm

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Joined: Fri Nov 13, 2009 5:15 pm
Posts: 1948
Location: Pittsburgh
Certs: CCIE R&S,CCIP,JNCIA,VCP510

Cant ping the peer IP's or you cannot ping anything from one side of the vpn to the other side of the vpn?

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"I will prepare and some day my chance will come." - Abraham Lincoln
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lostinpattaya

Post subject: Re: tunnel issue

Posted: Mon Jun 04, 2012 9:03 pm

Member

Joined: Mon Jul 04, 2011 11:09 pm
Posts: 102
Location: Brooklyn, NY
Certs: CCNP ROUTE, CCNA, Security +

orange juice wrote:

The IPSEC VPN is established and the connection is ok.
The problem is why the tunnel IP can not Ping each other ? and that is customer want to know.

With GRE tunnels, this can be misleading. Are you able to pass any traffic on layer 3? Or does the tunnel say "up/up" and that's as far as you can go?

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