Several DMVPN Instances on the same WAN Interface

Hi people,

Is it possible to run several Instances of DMVPN on one WAN Interface? We can for example configure 3 Tunnels on a router using a same Interface WAN but running Instances separated from EIGRP for each Tunnel? Kindly let me know, Alioune

Hi Martin,

Yes, you can create DMVPN as you say with a WAN interface it's possible... you can have several interfaces tunnel pointed a WAN interface as the source interface, which is located in a public area... with different public ip as destination tunnel...

Tunnel1 interface

Description * A - VPN Tunnel *.

bandwidth 100000

IP vrf forwarding Red

IP 10.0.252.2 255.255.255.252

no ip redirection

no ip unreachable

no ip proxy-arp

IP mtu 1500

load-interval 60

source of tunnel GigabitEthernet0/0 (WAN Interface)

tunnel destination 1.1.1.1

protection of ipsec profile dmvpn tunnel

!

Tunnel1 interface

Description * B - VPN Tunnel *.

bandwidth 100000

IP vrf forwarding Red

IP 10.0.252.5 255.255.255.252

no ip redirection

no ip unreachable

no ip proxy-arp

IP mtu 1500

load-interval 60

source of tunnel GigabitEthernet0/0 (WAN Interface)

tunnel destination 2.1.1.1

protection of ipsec profile dmvpn tunnel

!

like the above... example...

Please rate if the information provided is useful!

Tags: Cisco Security

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