From: Kenneth Wygand (KWygand@customonline.com)
Date: Fri Oct 03 2003 - 12:30:46 GMT-3
I don't like NAT overload in this case, although it may be the answer.
If this were a question on the lab exam, I would ask the proctor if R4
needed to be able to initiate any ping echos to the other routers in the
lab. If the answer is no, then you can go with NAT overload. If the
answer is yes, R4 needs to know information about the rest of the
network or a default route at minimum. That would direct me towards
ODR.
Kenneth E. Wygand
Systems Engineer, Project Services
CISSP #37102, CCNP, CCDP, MCP 2000, CNA 5.1, Network+, A+
Custom Computer Specialists, Inc.
"It's not just about ending up where you want to be, it's about making
the most of the trip there."
-Anonymous
-----Original Message-----
From: Phil [mailto:ciscostudent1@yahoo.com.br]
Sent: Friday, October 03, 2003 11:29 AM
To: Kenneth Wygand; Barker, Ray; ccielab@groupstudy.com
Subject: RE: Possible NAT?
I would assume nothing is enabled in R4 (CDP, etc) and it is behaving
like a host without a gateway. How would you solve this? I believe NAT
overload is the answer.
Phil
Kenneth Wygand <KWygand@customonline.com> wrote:
Ray,
I forgot all about it - it's "On Demand Routing". You enable ODR on R3
and redistribute ODR into OSPF. A default route is sent to R4 through
CDP which is not considered a routing protocol in the context of your
question. No configuration is required on R4 other than leaving CDP
enabled (which is enabled by default).
Try it out, it's pretty neat. Here's a link to get your started:
http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122cgcr/
fipr_c/ipcprt2/1cfodr.htm
Kenneth E. Wygand
Systems Engineer, Project Services
CISSP #37102, CCNP, CCDP, MCP 2000, CNA 5.1, Network+, A+
Custom Computer Specialists, Inc.
"It's not just about ending up where you want to be, it's about making
the most of the trip there."
-Anonymous
-----Original Message-----
From: Kenneth Wygand
Sent: Friday, October 03, 2003 10:52 AM
To: Barker, Ray; ccielab@groupstudy.com
Subject: RE: Possible NAT?
Ray,
Does the question specifically forbid you from using static routes?
It's easy to overlook the obvious and make something really complex when
in "CCIE Crunch Mode".
Kenneth E. Wygand
Systems Engineer, Project Services
CISSP #37102, CCNP, CCDP, MCP 2000, CNA 5.1, Network+, A+
Custom Computer Specialists, Inc.
"It's not just about ending up where you want to be, it's about making
the most of the trip there."
-Anonymous
-----Original Message-----
From: Barker, Ray [mailto:Ray.Barker@BellSouth.com]
Sent: Friday, October 03, 2003 10:24 AM
To: ccielab@groupstudy.com
Subject: Possible NAT?
R1----OSPF----R2----OSPF----R3----No routing protocol running----R4
Do not run a routing protocol between R3 and R4; however you should be
able to ping R4 from any other router on the network.
My thought was to redistribute the connected network between R3 and R4
into ospf and then do a static nat between R3 and R4.
That did not work and I'm having trouble coming up with another
solution. Anyone have any ideas?
Thanks,
Ray
*****
"The information transmitted is intended only for the person or entity
to which it is addressed and may contain confidential, proprietary,
and/or privileged material. Any review, retransmission, dissemination
or other use of, or taking of any action in reliance upon, this
information by persons or entities other than the intended recipient is
prohibited. If you received this in error, please contact the sender
and delete the material from all computers." 113
***Get your CCIE and a FREE vacation: Shop.GroupStudy.com***
This archive was generated by hypermail 2.1.4 : Mon Nov 24 2003 - 07:52:56 GMT-3