Re: DMVPN - Ping fails on LAN to LAN

Check this - Tunnel Source on Hub and NHRP mapping on spoke are using
different set of IP addressess.

Tunnel Source on Hub is using an IP from 127.0.0.0/8 range, that's a
reserved Subnet for Loopbacks.

Swap
#19804
On 19 Apr 2014 03:28, "R.B. Kumar" <seekumarin_at_gmail.com> wrote:

> Hi Experts - Seeking your help to understand why I am not able to ping the
> HUB LAN IP address from Spoke LAN IP address in a DMVPN setup. It is a new
> installation I am trying to achieve.
>
>
>
> 1. Ping successful when doing from spoke to Hub Tunnel IP (ping <hub-Tunnel
> IP address>)
>
> 2. Ping fails when doing from spoke to Hub Tunnel IP using source Interface
> as LAN IP add (ping <hub-Tunnel IP address> source <fa 0/0)
>
> 3. Ping fails when doing from spoke to Hub fa 0/0 using source Interface
> as LAN IP add (ping <hub-Tunnel IP address> source <fa 0/0)
>
>
>
> What is the general reason for this. The output from Router below. Can you
> help me please. Thanks in advance
>
> regards / RBK
>
> *debug *
>
> HUB#
> *Mar 1 03:02:45.107: NHRP: MACADDR: if_in null netid-in 0 if_out Tunnel0
> netid-out 1
> *Mar 1 03:02:45.107: NHRP: Checking for delayed event
> 0.0.0.0/192.168.2.1on list (Tunnel0).
> *Mar 1 03:02:45.107: NHRP: No node found.
>
> *Config*
>
> HUB#
>
> interface Tunnel0
> ip address 172.16.1.1 255.255.255.0
> no ip redirects
> ip nhrp map multicast dynamic
> ip nhrp network-id 1
> tunnel source 127.11.100.1
> tunnel mode gre multipoint
> end
>
> interface FastEthernet0/0
> ip address 152.141.1.85 255.255.255.0
>
>
> ip route 192.168.2.0 255.255.255.0 Tunnel0
>
>
> SPOKE#
>
> interface Tunnel1
> ip address 172.16.1.2 255.255.255.0
> no ip redirects
> ip nhrp map 172.16.1.1 63.11.124.5
> ip nhrp network-id 1
> ip nhrp nhs 172.16.1.1
> tunnel source 208.11.121.3
> tunnel mode gre multipoint
> end
>
> ip route 152.141.0.0 255.255.0.0 Tunnel1
>
>
> interface FastEthernet0/0
> ip address 192.168.2.1 255.255.255.0
>
>
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Received on Sat Apr 19 2014 - 08:52:30 ART