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DMVPN

mailaglady2
Level 1
Level 1

Hi

I am trying to configure DMVPN but my tunnel ip can't ping each other. I have connected two routers more like a hub and spoke network ut I only have one conneted at this stage for testing purposes.

Please check why my router's cant ping my device, below are my configs:

1st problem

I cant configure the tunnel destination on the hub.

HUB

DUT(config-if)#tunnel destination 172.16.0.1

The tunnel destination can not be configured under the existing mode

crypto isakmp policy 10

encr aes 256

hash md5

authentication pre-share

crypto isakmp key 6 cisco123 address 0.0.0.0 0.0.0.0

!

!

crypto ipsec transform-set dirkstrong esp-3des esp-md5-hmac

crypto ipsec transform-set ESP-AES256-SHA esp-aes 256 esp-sha-hmac

mode transport

!

crypto ipsec profile DMVPN

set transform-set ESP-AES256-SHA

!

crypto ipsec profile strongdirk

set security-association lifetime seconds 120

set transform-set dirkstrong

!

crypto ipsec profile test

!

interface Tunnel0

bandwidth 1000

ip address 172.16.0.2 255.255.0.0

no ip redirects

ip mtu 1400

ip nhrp authentication cisco

ip nhrp map multicast dynamic

ip nhrp map 172.16.0.4 10.0.44.1

ip nhrp network-id 1000

ip nhrp holdtime 360

ip nhrp nhs 172.16.0.4

ip tcp adjust-mss 1360

tunnel source 1.1.1.1

tunnel mode gre multipoint

tunnel key 12345

tunnel protection ipsec profile DMVPN

Spoke

crypto isakmp policy 10

encr aes 256

authentication pre-share

crypto isakmp key cisco123 address 0.0.0.0 0.0.0.0

!

!

crypto ipsec transform-set ESP-AES256-SHA esp-aes 256 esp-sha-hmac

mode transport

!

crypto ipsec profile DMVPN

set transform-set ESP-AES256-SHA

!

interface Tunnel0

bandwidth 1000

ip address 172.16.0.4 255.255.0.0

no ip redirects

ip mtu 1400

ip nhrp authentication cisco

ip nhrp map multicast dynamic

ip nhrp network-id 1000

ip nhrp holdtime 360

ip tcp adjust-mss 1360

tunnel source Loopback0

tunnel mode gre multipoint

tunnel key 12345

tunnel protection ipsec profile DMVPN shared

!

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