Hello everyone, I’m pretty new here I’m running into to difficult setting up dmpvn phase 3 with bgp. I attempted to spin up a lab in gns3 but I’m not aware of what type is router needs to perform this lab here. can someone assist me to thank you?
Hello Jeffery.
No problem, we were all new once 
. As for DMVPN phase 3 with BGP, the following Cisco document shows a list of platforms and software that support DMVP in Tables 2 and 3.
I would suggest using the 2800 or 2900 series routers like a 2811 or a 2911. Just make sure you’re using the appropriate IOS as indicated.
I hope this has been helpful!
Laz
im having trouble seeing my spoke network. for example on spoke 1 i can see spoke two network in my routing table but from spoke 2 im unable to see my spoke 1 network
configuration lab from gns3:
hostname MIAMI hub
!
int tun0
Des Miami HUB
ip address 10.100.252.1 255.255.255.0
no ip redirects
ip mtu 1400
ip nhrp map multicast dynamic
ip nhrp network-id 100
ip nhrp redirect
ip nhrp shortcut
ip tcp adjust-mss 1360
no ip split-horizon
tunnel source FastEthernet0/0
tunnel mode gre multipoint
exit
!
interface Loopback0
ip address 10.100.0.4 255.255.255.255
!
interface FastEthernet0/0
ip address 198.36.220.36 255.255.255.224
duplex auto
speed auto
!
router bgp 65000
no synchronization
bgp log-neighbor-changes
network 0.0.0.0
network 10.100.0.4 mask 255.255.255.255
network 10.100.252.6 remote-as 65020
neighbor 10.100.252.114 remote-as 65114
no auto-summary
!
ip forward-protocol nd
ip route 0.0.0.0 0.0.0.0 198.136.220.33
Homedale spoke 1:
config t
!
hostname HOMEDALE
!
interface Loopback0
ip address 10.6.0.2 255.255.255.255
!
interface Tunnel0
DES Link to Miami Hub
ip address 10.100.252.6 255.255.255.0
ip mtu 1400
ip nhrp map 10.100.252.1 198.136.220.36
ip nhrp map multicast 198.136.220.36
ip nhrp network-id 100
ip nhrp nhs 10.100.252.1
ip nhrp redirect
ip nhrp shortcut
ip tcp adjust-mss 1360
tunnel source FastEthernet0/0
tunnel mode gre multipoint
exit
!
!
interface FastEthernet0/0
ip address 204.114.124.36 255.255.255.240
duplex auto
speed auto
!
!
router bgp 65020
no synchronization
bgp log-neighbor-changes
network 10.6.0.2 mask 255.255.255.255
neighbor 10.100.252.1 remote-as 65000
neighbor 10.100.252.1 timers 7 21
neighbor 10.102.252.1 remote-as 65016
neighbor 10.102.252.1 timers 7 21
no auto-summary
!
ip forward-protocol nd
ip route 0.0.0.0 0.0.0.0 204.114.124.33
ip forward-protocol nd
ip route 0.0.0.0 0.0.0.0 204.114.124.33
spoke 2
Tamp
!
interface Loopback0
ip address 10.114.0.2 255.255.255.255
!
interface Tunnel0
Des link to Miami Hub
ip address 10.100.252.114 255.255.255.0
ip mtu 1400
ip nhrp map 10.100.252.1 198.136.220.36
ip nhrp map multicast 198.136.220.36
ip nhrp network-id 100
ip nhrp nhs 10.100.252.1
ip nhrp redirect
ip nhrp shortcut
ip tcp adjust-mss 1360
tunnel source FastEthernet0/0
tunnel mode gre multipoint
exit
!
router bgp 65114
no synchronization
bgp router-id 10.114.0.2
bgp log-neighbor-changes
network 10.114.0.2 mask 255.255.255.255
neighbor 10.100.252.1 remote-as 65000
neighbor 10.100.252.1 timers 7 21
neighbor 10.102.252.1 remote-as 65016
neighbor 10.102.252.1 timers 7 21
no auto-summary
!
ip forward-protocol nd
ip route 0.0.0.0 0.0.0.0 64.112.157.233
internet#sh run
Building configuration…
Current configuration : 1234 bytes
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname internet
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
memory-size iomem 5
no ip icmp rate-limit unreachable
ip cef
!
!
!
!
no ip domain lookup
!
multilink bundle-name authenticated
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
archive
log config
hidekeys
!
!
!
!
ip tcp synwait-time 5
!
!
!
!
interface FastEthernet0/0
description ISP to SMY
ip address 64.238.201.94 255.255.255.0
duplex auto
speed auto
!
interface FastEthernet0/1
description ISP to TAMPA
ip address 64.112.157.233 255.255.255.0
duplex auto
speed auto
!
interface FastEthernet1/0
description ISP to Miami
ip address 198.136.220.33 255.255.255.224
duplex auto
speed auto
!
interface FastEthernet2/0
description ISP to HOMDALES
ip address 204.114.124.33 255.255.255.0
duplex auto
speed auto
!
ip forward-protocol nd
!
!
no ip http server
no ip http secure-server
!
no cdp log mismatch duplex
!
!
!
!
!
!
control-plane
!
!
!
!
!
!
!
!
!
!
line con 0
exec-timeout 0 0
privilege level 15
logging synchronous
line aux 0
exec-timeout 0 0
privilege level 15
logging synchronous
line vty 0 4
login
!
!
end