From: Tsuyoshi (uchida_tsuyoshi2000@yahoo.co.jp)
Date: Wed Mar 15 2006 - 15:09:09 GMT-3
Hi, Chris.
I didn't configure VRF, but I configured EIGRP on DMVPN.
Since mGRE is point-to-Multipoint interface, EIGRP should be
configured like NBMA.
If you'll be working EIGRP, you should stop EIGRP split-horizon on HUB.
And you should stop EIGRP next-hop-self.
CE "hub"
interface Tunnle0
no ip split-horizon eigrp
no ip next-hop-self eigrp
HTH
--
Tsuyoshi
On Wed, 15 Mar 2006 10:49:45 -0500
"Chris Broadway" <midatlanticnet@gmail.com> 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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