DMVPN Multihomed(Hus & Spokes)with Loopback interfaces Help

From: atif raees (atifraees@hotmail.com)
Date: Sun Dec 16 2007 - 15:35:13 ART

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Dear All

I am testing DMVPN with Hub & spoke connectivity.
hub connects to the SP using redundant link for fail over so as the Spoke
redundant link to SP.
I have used Loopbacks on both sites.

Problem is i need to add two static route pointing remote loop back with each
next hop physical interface so that my tunnels can go up & failover.
i there any way to eliminate the static routes b/c at HUB site then i will
need to use static route for each spoke sites.

Below is the config (R1 Hub connects to R2 spoke)

R1:

crypto isakmp policy 10
 hash md5
 authentication pre-share
crypto isakmp key cisco123 address 0.0.0.0 0.0.0.0
!
!
crypto ipsec transform-set strong esp-3des esp-md5-hmac
!
crypto ipsec profile cisco
 set security-association lifetime seconds 120
 set transform-set strong
!
!
!
!
!
!
interface Tunnel0
 ip address 10.10.1.1 255.255.255.0
 no ip redirects
 ip mtu 1440
 ip nhrp authentication cisco123
 ip nhrp map multicast dynamic
 ip nhrp network-id 1
 ip ospf network broadcast
 tunnel source Loopback1
 tunnel mode gre multipoint
 tunnel key 0
 tunnel protection ipsec profile cisco
!
interface Loopback0
 ip address 10.1.1.1 255.255.255.255
!
interface Loopback1
 ip address 1.1.1.1 255.255.255.0
!
interface FastEthernet0/0
 ip address 192.168.1.1 255.255.255.252
 duplex auto
 speed auto
!
interface FastEthernet0/1
 ip address 192.168.2.1 255.255.255.252
 duplex auto
 speed auto
!
interface Serial1/0
 ip address 172.16.10.1 255.255.255.252
 encapsulation ppp
 serial restart-delay 0
 no dce-terminal-timing-enable
!
interface Serial1/1
 ip address 172.16.11.1 255.255.255.252
 encapsulation ppp
 serial restart-delay 0
 no dce-terminal-timing-enable
!
interface Serial1/2
 no ip address
 shutdown
 serial restart-delay 0
 no dce-terminal-timing-enable
!
interface Serial1/3
 no ip address
 shutdown
 serial restart-delay 0
 no dce-terminal-timing-enable
!
router ospf 1
 log-adjacency-changes
 network 10.1.1.0 0.0.0.255 area 0
 network 10.10.1.0 0.0.0.255 area 0
!
ip http server
no ip http secure-server
!
ip route 2.2.2.2 255.255.255.255 192.168.1.2
ip route 2.2.2.2 255.255.255.255 172.16.10.2 254

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• Maybe reply: SAMARTH: "RE: DMVPN Multihomed(Hus & Spokes)with Loopback interfaces Help"
• Maybe reply: Tarun Pahuja: "Re: DMVPN Multihomed(Hus & Spokes)with Loopback interfaces Help"
• Maybe reply: SAMARTH: "RE: DMVPN Multihomed(Hus & Spokes)with Loopback interfaces Help"
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