DMVPN cisco: example configuration Hub/Spoke router

28.02 2024 | by massimiliano

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Architettura di esempio R1 HUB DMVPN Config interface eth0/1  description to-DMVPN  ip address 10.10.10.1  255.255.255.0 interface tunnel1 description tunnel-DMVPN ip […]

Architettura di esempio

R1 HUB DMVPN Config

• interfaccia fisica

interface eth0/1 

description to-DMVPN 

ip address 10.10.10.1  255.255.255.0

• interfaccia tunnel

interface tunnel1

description tunnel-DMVPN

ip address 10.10.123.1 255.255.255.0

ip nhrp map multicast dynamic

ip nhrp network-id 10

ip ospf network broadcast

ip ospf priority 255

tunnel source ethernet0/1

tunnel mode gre multipoint

• router ospf

router ospf 1

router-id <lo0>

network 1.1.1.1  0.0.0.0 area 0.0.0.0

network 10.10.123.0 0.0.0.255 area 0.0.0.0

R2 SPOKE DMVPN Config

• interfaccia fisica

interface eth0/1

description to-DMVPN

ip address 10.10.10.2  255.255.255.0

• interfaccia tunnel

interface tunnel1

description tunnel-DMVPN

ip address 10.10.123.2 255.255.255.0

ip nhrp map 10.10.123.1 10.10.10.1

ip nhrp map multicast 10.10.10.1

ip nhrp network-id 10

ip nhrp nhs 10.10.123.1

ip ospf network broadcast

ip ospf priority 0

tunnel source ethernet0/1

tunnel mode gre multipoint

• router ospf

router ospf 1

router-id <lo0>

network 2.2.2.2 0.0.0.0 area 0.0.0.0

network 10.10.123.0 0.0.0.255 area 0.0.0.0

R3 SPOKE DMVPN Config

• interfaccia fisica

interface eth0/1

description to-DMVPN

ip address 10.10.10.3  255.255.255.0

• interfaccia tunnel

interface tunnel1

description tunnel-DMVPN

ip address 10.10.123.3 255.255.255.0

ip nhrp map 10.10.123.1 10.10.10.1

ip nhrp map multicast 10.10.10.1

ip nhrp network-id 10

ip nhrp nhs 10.10.123.1

ip ospf network broadcast

ip ospf priority 0

tunnel source ethernet0/1

tunnel mode gre multipoint

• router ospf

router ospf 1

router-id <lo0>

network 3.3.3.3  0.0.0.0 area 0.0.0.0

network 10.10.123.0 0.0.0.255 area 0.0.0.0