I setup a GRE tunnel between two cisco 3725 routers following
http://www.cisco.com/en/US/tech/tk82...801a5aa2.shtml
They are both running IOS c3725-ipbase-mz.123-9e.bin. When I do a show ip int brief they both show up/down! So I seem to have a problem with the protocol! I cannot ping the tunnel address at the far end. I have checked both of the tunnel interfaces and they seem fine.
My IP cloud consists of some Nortel 7440 multiservice switches.
I have looked all over the cisco site trying to find some troubleshooting
information but, I don't see anything that applies.
Here is a copy of my configs:
///////////////////////////////////////////////////
MCast 1:
ip multicast-routing
frame-relay switching
no ftp-server write-enable
!
!
!
!
interface Loopback0
ip address 2.2.2.2 255.255.255.255
!
interface Tunnel0
ip address 192.168.0.1 255.255.255.0
ip pim sparse-dense-mode
tunnel source Loopback0
tunnel destination 4.4.4.4
!
interface FastEthernet0/0
ip address 10.120.255.1 255.255.255.0
ip pim sparse-dense-mode
speed 100
full-duplex
!
interface Serial0/1
ip address 10.120.254.1 255.255.255.0
encapsulation frame-relay IETF
ip ospf network point-to-point
no fair-queue
frame-relay interface-dlci 16
frame-relay lmi-type q933a
frame-relay intf-type dce
!
router ospf 1
log-adjacency-changes
network 2.2.2.2 0.0.0.0 area 0
network 10.120.0.0 0.0.255.255 area 0
network 192.168.0.0 0.0.0.255 area 0
!
ip classless
no ip http server
ip pim bidir-enable
////////////////////////////////////////////////////////
MCast 4:
no ip domain lookup
ip multicast-routing
frame-relay switching
no ftp-server write-enable
!
!
!
!
interface Loopback0
ip address 4.4.4.4 255.255.255.255
!
interface Tunnel0
ip address 192.168.0.2 255.255.255.0
ip pim sparse-dense-mode
tunnel source Loopback0
tunnel destination 2.2.2.2
!
interface FastEthernet0/0
ip address 10.120.244.1 255.255.255.0
ip pim sparse-dense-mode
duplex auto
speed auto
!
interface Serial0/1
ip address 10.120.245.1 255.255.255.0
encapsulation frame-relay IETF
ip ospf network point-to-point
frame-relay interface-dlci 16
frame-relay lmi-type q933a
frame-relay intf-type dce
!
router ospf 1
log-adjacency-changes
network 4.4.4.4 0.0.0.0 area 0
network 10.120.0.0 0.0.255.255 area 0
network 192.168.0.0 0.0.0.255 area 0
!
ip classless
no ip http server
ip pim bidir-enable
ip mroute 10.120.255.0 255.255.255.0 Tunnel0
!
///////////////////////////////////////////////////////////
Any help would be much appreciated. Thanks.
Mark
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