Friends, I created a GRE tunnel and I can't ping the tunnel destination from either router. I am able to ping the tunnel ip address on the router that it's configured on. Can anyone help please? I have two routers. The configs are as follows.
Router A
------------------
Router_A#show ip int brief
Interface IP-Address OK? Method Status Prot ocol
FastEthernet0/0 192.168.1.121 YES DHCP up up
FastEthernet0/1 10.10.12.254 YES NVRAM up up
Serial0/0/0 unassigned YES NVRAM down down
Serial0/0/1 192.168.2.2 YES NVRAM up up
BRI0/2/0 unassigned YES NVRAM administratively down down
BRI0/2/0:1 unassigned YES unset administratively down down
BRI0/2/0:2 unassigned YES unset administratively down down
Async0/3/0 unassigned YES NVRAM down down
NVI0 unassigned NO unset up up
Loopback0 10.10.13.249 YES NVRAM up up
Tunnel1 10.10.10.1 YES manual up up
Router_A#
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname Router_A
!
boot-start-marker
boot-end-marker
!
aaa new-model
!
!
aaa authentication login word local
aaa authentication login CONSOLE none
!
aaa session-id common
!
!
ip cef
no ip dhcp use vrf connected
!
ip dhcp pool Dhcp_Pool
network 10.10.12.0 255.255.255.0
default-router 10.10.12.254
dns-server 206.141.192.60
!
!
ip auth-proxy max-nodata-conns 3
ip admission max-nodata-conns 3
!
!
voice-card 0
no dspfarm
interface Loopback0
ip address 10.10.13.249 255.255.255.252
!
interface Tunnel1
ip address 10.10.10.1 255.255.255.0
ip mtu 1480
tunnel source Loopback0
tunnel destination 192.168.2.1
!
interface FastEthernet0/0
description Connection to Internet
ip address dhcp client-id FastEthernet0/0
ip nat outside
ip virtual-reassembly
duplex auto
speed auto
!
interface FastEthernet0/1
description Connection to LAN
ip address 10.10.12.254 255.255.255.0
ip nat inside
ip virtual-reassembly
duplex auto
speed auto
!
interface Serial0/0/0
no ip address
clock rate 2000000
interface Serial0/0/1
description Connection to Network B
bandwidth 1000000
ip address 192.168.2.2 255.255.255.252
encapsulation ppp
!
interface BRI0/2/0
no ip address
encapsulation hdlc
shutdown
!
interface Async0/3/0
no ip address
encapsulation slip
!
router rip
version 2
network 10.0.0.0
network 192.168.1.0
network 192.168.2.0
!
ip forward-protocol nd
ip route 10.10.0.0 255.255.0.0 192.168.2.1
!
!
ip http server
no ip http secure-server
ip nat pool ovrld 192.168.1.250 192.168.1.250 prefix-length 24
ip nat inside source list 7 pool ovrld overload
!
access-list 7 permit 10.10.12.0 0.0.0.255
!
!
!
control-plane
--------------------------------------------------------
Router_B
Router_B#show ip int brief
Interface IP-Address OK? Method Status Protocol
FastEthernet0/0 10.10.14.254 YES manual up up
FastEthernet0/1 unassigned YES NVRAM administratively down down
Serial0/0/0 unassigned YES NVRAM administratively down down
BRI0/1/0 unassigned YES NVRAM administratively down down
BRI0/1/0:1 unassigned YES unset administratively down down
BRI0/1/0:2 unassigned YES unset administratively down down
Serial0/3/0 unassigned YES NVRAM administratively down down
Serial0/3/1 192.168.2.1 YES manual up up
NVI0 10.10.14.254 YES unset up up
SSLVPN-VIF0 unassigned NO unset up up
Loopback0 10.10.15.1 YES manual up up
Tunnel1 10.10.10.2 YES manual up up
Router_B#
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
service password-encryption
!
hostname Router_B
!
boot-start-marker
boot-end-marker
!
logging message-counter syslog
!
no aaa new-model
memory-size iomem 10
!
dot11 syslog
ip source-route
!
!
ip cef
!
ip dhcp pool Dhcp_Pool
network 10.10.14.0 255.255.255.0
default-router 10.10.14.254
dns-server 206.141.192.60
!
!
ip name-server 206.141.192.60
no ipv6 cef
!
!
archive
log config
hidekeys
!
!
!
!
!
!
!
!
!
interface Loopback0
ip address 10.10.15.1 255.255.255.252
!
interface Tunnel1
ip address 10.10.10.2 255.255.255.0
tunnel source Loopback0
tunnel destination 192.168.2.2
!
interface FastEthernet0/0
description Connection to LAN
ip address 10.10.14.254 255.255.255.0
ip nat inside
ip virtual-reassembly
duplex auto
speed auto
!
interface FastEthernet0/1
no ip address
shutdown
duplex auto
speed auto
!
interface Serial0/0/0
no ip address
shutdown
!
interface BRI0/1/0
no ip address
encapsulation hdlc
shutdown
!
interface Serial0/3/0
no ip address
shutdown
clock rate 2000000
!
interface Serial0/3/1
bandwidth 1000000
ip address 192.168.2.1 255.255.255.252
ip nat outside
ip virtual-reassembly
encapsulation ppp
!
router rip
version 2
network 10.0.0.0
network 172.16.0.0
network 192.168.1.0
network 192.168.2.0
!
ip forward-protocol nd
no ip http server
no ip http secure-server
!
