From: Larry Roberts (groupstudy@american-hero.com)
Date: Wed Mar 15 2006 - 16:39:09 GMT-3
I found one on the internal network that I think is what your talking about.
I haven't read it completely, but putting a destination on the tunnel
defeats the purpose of DMVPN if you ask me..
Chris Cole wrote:
> That's funny, I have old printed one that does not match up with the new
> looking on the web site. Sorry for the confusion, I guess I need to up
> date.. the doc I have was from April 2005..
>
> -----Original Message-----
> From: Larry Roberts [mailto:groupstudy@american-hero.com]
> Sent: Wednesday, March 15, 2006 1:48 PM
> To: Chris Cole
> Cc: Chris Broadway; CCIE LAB
> Subject: Re: OT: DMVPN
>
> Can you shoot the URL your referencing over. My page 3-7 doesn't have
> any configs on it.
>
> Chris Cole wrote:
>> Looking over the SRND guide for DMVPN on page 3-7 the spoke in that
>> example had the "tunnel destination" not the spoke..
>>
>> CC
>>
>> -----Original Message-----
>> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
> Of
>> Larry Roberts
>> Sent: Wednesday, March 15, 2006 1:21 PM
>> To: Chris Broadway
>> Cc: CCIE LAB
>> Subject: Re: OT: DMVPN
>>
>> What do you mean when you say it doesn't work? Does the eigrp neighbor
>> not form? does the SA's not get created? Can you not ping across them?
>>
>> Only thing that makes me scratch my head from your configuration is
> the
>> tunnel dest on the hub. the destination isn't needed and you do need
> to
>> define gre multipoint.
>>
>> I would also try to build this without the encryption first. just to
>> make sure that this isn't causing the issue.
>>
>> Chris Broadway wrote:
>>> I have a standard hub and spoke network trying to use DMVPN. My CE
>> router
>>> hands off to a carrier network and the carrier network is using
>> seperate L3
>>> VPNS and VRF's. CE to CE I am running EIGRP. When I configure my
>> spoke as
>>> a point to point gre tunnel and the hub as a point to point gre
>> tunnel, all
>>> works. When I change them both to a Mgre, it does not. If I change
>> the
>>> spoke to MGRE and the hub as P2P, it works. Below are the tunnel
>>> configs...any clues to what is not working and why?
>>>
>>> CE "spoke"
>>> interface Tunnel0
>>> ip address 50.50.50.2 255.255.255.0
>>> no ip redirects
>>> ip mtu 1416
>>> ip nhrp authentication cisco
>>> ip nhrp map 50.50.50.1 10.10.5.2
>>> ip nhrp map multicast 10.10.5.2
>>> ip nhrp network-id 99
>>> ip nhrp nhs 50.50.50.1
>>> tunnel source FastEthernet0/0
>>> tunnel mode gre multipoint
>>> tunnel protection ipsec profile VPN
>>> end
>>>
>>> CE "hub"
>>> interface Tunnel0
>>> ip address 50.50.50.1 255.255.255.0
>>> ip mtu 1416
>>> ip nhrp authentication cisco
>>> ip nhrp map multicast dynamic
>>> ip nhrp network-id 99
>>> tunnel source GigabitEthernet0/1
>>> tunnel destination 10.10.8.2
>>> tunnel protection ipsec profile VPN
>>>
>>> -Chris
>>>
>>>
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