From: Larry Roberts (groupstudy@american-hero.com)
Date: Wed Mar 15 2006 - 15:48:18 GMT-3
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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