From: Sam Munzani (sam@xxxxxxxxxx)
Date: Tue Sep 12 2000 - 19:18:42 GMT-3
In that case your NAT may not work at all. When packet goes out ans reply
comes back. The nighbor router will not know where to ARP because they are
not on a common subnet.
Sam
On Tue, 12 Sep 2000, John Conzone wrote:
> I will try it again tommorw and copy the configs.
> Basically here's my setup. I have three routers in a frame cloud, R1 R2 a
nd R3 sharing 10.x.x.x. and running ospf fine. I enable nat on the serial inter
face on R3 to translate to 64.x.x.x.
> I make that interface the outside, and the ethernet the inside. My ospf a
dj goes away , and when I debug IP ospf packet on R!, I see the hellos being so
urced by the nat address from R3, and the local router rejecting them because t
hey don't shre the same network
> ----- Original Message -----
> From: Geatti
> To: John Conzone ; ccielab
> Sent: Monday, September 11, 2000 10:51 PM
> Subject: RE: fun with nat
>
>
> Please post your configs, I have used nat with ospf before and had no probl
ems. There are some issues with DLSW and NAT but it will work.
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of Jo
hn Conzone
> Sent: Monday, September 11, 2000 7:08 PM
> To: ccielab
> Subject: fun with nat
>
>
> I've been playing with nat in my test lab, and have found that it wre
aks havoc with ospf. I haven't tried any of the DV protocols yet.
> Has anyone tried?
> My plan was to do DLSW through NAT but I can't apply NAT, at least wi
th OSPF.
> How do you guys do DLSW through NAT? I mean, how do you "route" to th
e routers running NAT?
> Static's, RIP,etc.? How about tunnels. I know from real life that PPT
P and L2TP won't run through PAT, which is actually what I'm doing. OSPF won't
set up adj at all because the hellos are sourced form a network that is not loc
al to the net. (the NAT address). I imaginef EIGRP will have the same problem.
> I guess what I am asking is where and how do you place NAT in your ne
ts to test how various scenarios work?
> Thanks!
>
>
This archive was generated by hypermail 2.1.4 : Thu Jun 13 2002 - 08:24:55 GMT-3