Cisco Cisco 1800 2800 3800 8-Port Async Sync EIA-232 Serial High-Speed WIC
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Configuration of Central-Office Router as a DMVPN Hub
!
hostname DMVPN_Hub
!
ip dhcp pool 10
network 10.10.0.0 255.255.0.0
default-router 10.10.0.254
!
ip dhcp pool 192
network 192.168.1.0 255.255.255.0
dns-server 192.168.1.254
default-router 192.168.1.254
!
crypto isakmp policy 10
hash md5
authentication pre-share
!
!ISAKMP policy for phase 1 negotiation
!
crypto isakmp key cisco123 address 0.0.0.0 0.0.0.0
!
!Preshared key for all the remote DMVPN spokes
!
crypto ipsec transform-set strong esp-3des esp-md5-hmac
!
!IPsec (Phase 2) policy for actual data encryption/integrity
!
crypto ipsec profile cisco
set security-association lifetime seconds 86400
set transform-set strong
!
!IPsec Profile to be applied dynamically to the GRE over IPsec tunnels
!
interface Tunnel0
ip address 192.168.10.1 255.255.255.0
no ip redirects
ip mtu 1440
ip nhrp map multicast dynamic
ip nhrp network-id 1