Hello Expert,
I currently have a fully functional network consist of Hub (central office) and
8 spokes (remote branch office)
I am using cisco DMVPN for all tunnel communications.
I am about to introduce a second Telco for redundancy, hence for clarity I will refer
Primary Telco as TELCO1 and secondary Telco as TELCO2
The HUB ROUTER INFO
-------------------------------
CISCO 2900 series
3 Gigabit Ethernet ports onboard.
4 port switch card.
One of the Gigabit Ethernet port (GigabitEthernet0/1) is use as the wan interface for TELCO1
The 4 port switch card is use for lan interface.
I plan to use a free Gigabit Ethernet port (GigabitEthernet0/2) for the second TELCO2
Interface GigabitEthernet0/1 ------------------------------------ Telco1
description Ip_Dsl Interface$ETH-WAN$
ip address 10.xx.xx.11 255.255.255.0
duplex auto
speed auto
media-type rj45 auto-failover
!
!
Interface GigabitEthernet0/2 ------------------------------------ telco2
no ip address
shutdown
duplex auto
speed auto
SPOKE ROUTERS
---------------------
CISC0 2811 series
2 fast Ethernet ports onboard.
4 port switch card
One of the Fast Ethernet port (FastEthernet0/0) is use as the wan interface for TELCO1
The 4 port switch card is use for the lan interface.
I plan to use a free Fastethenet port (FastEthernet0/1) for the second TELCO2.
interface FastEthernet0/0
description Corriverton Lan Interface$ETH-LAN$
ip address 10.xx.xx.16 255.255.255.0 ----------------------------------- telco1
no ip redirects
no ip unreachables
no ip proxy-arp
ip route-cache flow
duplex auto
speed auto
no mop enabled
!
interface FastEthernet0/1------------------------------------------------- telco2
description $ETH-WAN$
no ip address
shutdown
duplex auto
speed auto
CURRENT DMMVPN TUNNEL SETUP for HUB
-------------------------------------
interface Tunnel0
description Ip_Dsl Tunnel to remote Locations
bandwidth 2048
ip address 172.168.XXX.11 255.255.255.0
no ip redirects
ip mtu 1500
ip nhrp authentication testvpn
ip nhrp map multicast dynamic
ip nhrp network-id 100000
ip nhrp holdtime 360
ip tcp adjust-mss 1360
no ip split-horizon eigrp 1
delay 1000
keepalive 5 2
tunnel source GigabitEthernet0/1 ---------------------------------- (telco1)
tunnel mode gre multipoint
tunnel key 100000
tunnel protection ipsec profile CiscoCP_Profile
CURRENT DMVPN TUNNEL SETUP FOR REMOTE BRANCH
-------------------------------------------------------
interface Tunnel0
description Tunnel to Head Office
bandwidth 1000
ip address 172.168.xxx.16 255.255.255.0
ip mtu 1500
ip nhrp authentication testvpn
ip nhrp map 172.168.XXX.11 10.xx.xx.11
ip nhrp map multicast 10.xx.xx.11
ip nhrp network-id 100000
ip nhrp holdtime 360
ip nhrp nhs 172.168.XXX.11
ip tcp adjust-mss 1360
no ip split-horizon eigrp 1
delay 1000
keepalive 5 2
tunnel source FastEthernet0/1 ------------------------------------------ (telco1)
tunnel mode gre multipoint
tunnel key 100000
tunnel protection ipsec profile CiscoCP_Profile1
Question
----------
I want to use the same DMVPN tunnel from central office to remote Branch for the failover to second telco (telco2)
How do i incorporate second tunnel source in both the hub and remote branch dmvpn tunnel config ?
Note the entire config for both hub and spoke was done using cisco sdm.
This gui utility does not support setting up multiple dmvpn on the same router,hence instead of configing a another dmvpn for
the second telco (telco) communication I am trying to use the existing dmvpn for both primary and failover communication.
Regards
Jomo
