GRE Tunneling ..

From: Wojtek Iwanczyk (wiwanczyk@xxxxxxxxxx)
Date: Fri Jul 28 2000 - 11:51:00 GMT-3


   
I am attempting to set up a GRE tunnel through the internet between 2 private n
etworks. I am trying to use the ISP/WAN interfaces as my source/destination of
the tunnel .. The config for the GRE is really simple, - Tunnel interface , sou
rce of tunnel, and destination ... Somehow I can not get it to work .. I know i
ts probably something really stupid I am missing..

at Router 2 I have tried using both the serial and ethernet interfaces as the t
unnel source, but either does not work.. I also attempted using loopback interf
aces as tunnel sources, but to no avail ..

I would really appreciate any suggestions and/or comments ..

thanx

my configs are as follows ..
Router 1
-----------------------------
interface Tunnel0
 ip address 192.168.151.1 255.255.255.0
 tunnel source Serial0/1
 tunnel destination 207.323.35.1

interface Serial0/1
 description Level-3
 ip address 53.212.64.456 255.255.255.252
 ip nat outside
 encapsulation ppp

Router2
------------------------------------------
interface Tunnel0
 ip address 192.168.151.2 255.255.255.0
 tunnel source Serial0.1
 tunnel destination 53.212.64.456

interface Ethernet0
 description Dayton-legal
 ip address 207.323.35.1 255.255.255.0

interface Serial0
 description to WORLDCOM
 no ip address
 encapsulation frame-relay IETF
 bandwidth 1536
 no fair-queue
 frame-relay lmi-type ansi
!
interface Serial0.1 point-to-point
 description to WORLDCOM
 ip unnumbered Ethernet0
 no arp frame-relay
 bandwidth 1536
 frame-relay interface-dlci 426 IETF

Wojtek Iwanczyk
Sr Support Engineer
Exenet Technologies
15 E 26th Street
New York, NY 10010
(212) 684 7300
wiwanczyk@exenet.com



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