I am trying to learn the best practice to configure a Dual home DMVPN backup solution. I am having a hard time finding document ion.
My topology consists of 15 remote sites with 2 ASR1000 as the dmvpn backup routers.
It would be greatly appreciated if someone could lead me in the correct direction.
This is what I came up with so far
interface Tunnel100 description DMVPN HEAD END ip address 10.1.1.1 255.255.255.0 no ip redirects ip mtu 1400 ip nhrp map multicast dynamic ip nhrp authentication primary ip nhrp network-id 1111 ip nhrp holdtime 360 no ip split-horizon eigrp 15 no ip next-hop-self eigrp 15 ip tcp adjust-mss 1360 load-interval 30 tunnel source FastEthernet0/1 tunnel mode gre multipoint tunnel key 100000 tunnel protection ipsec profile DMVP
interface Tunnel1 bandwidth 1000 Description DMVPN BACKUP SPOKE ip address 10.1.1.10 255.255.255.0 no ip redirects ip mtu 1400 ip nhrp nhs 10.1.1.1 ip nhrp map 10.1.1.1 192.168.1.1 ip nhrp map multicast 192.168.1.1 ! ip nhrp nhs 10.1.1.2 ip nhrp map 10.1.1.2 192.168.1.2 ip nhrp map multicast 192.168.1.2 ip nhrp authentication primary ip nhrp network-id 1111 ip nhrp holdtime 360 ip nhrp registration no-unique ip tcp adjust-mss 1360 delay 1000 tunnel source gig0/0 tunnel mode gre multipoint tunnel protection ipsec profile DMVPN ! ip sla 1 udp-echo 10.0.1.95 2000 control disable timeout 1000 frequency 1 threshold 21000 ip sla schedule 1 life forever start-time now ! track 1 rtr 1 reachability ip route 192.168.0.0 255.255.255.0 10.1.1.1 track 1 ip route 10.0.0.0 255.0.0.0 10.0.0.1 track 1 ! ip route 192.168.0.0 255.255.255.0 10.1.1.2 254 ip route 10.0.0.0 255.0.0.0 10.1.1.2 254 ip route 0.0.0.0 0.0.0.0 gig 0/0 !
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