Solved

Cisco Router Configuration Using Ethernet Interface as Backup to Serial (T1) interface

Posted on 2003-10-28
2
593 Views
Last Modified: 2010-03-17
HI,
I have 2 connectoins to the internet. One is a T1 which is my primaray connection and the other is a cable modem that is on the ethernet interface of my router. What I am looking to do is have the calbe as a backup to my T1 incase the serial goes down.  Does anyone have any sugguestions or sample configurations for this?

Thanks,
Eric
0
Comment
Question by:eheuser
2 Comments
 
LVL 3

Accepted Solution

by:
t1n0m3n earned 500 total points
ID: 9638407
ip route 0.0.0.0 0.0.0.0 Serial0/0 1
ip route 0.0.0.0 0.0.0.0 1.1.1.1 2

Where Serial0/0 is your router's interface that has the T1 connected to it.
and
1.1.1.1 is the default gateway of you cable modem provider (given to you by the Cable ISP)
0
 
LVL 79

Expert Comment

by:lrmoore
ID: 9661535
Hmmmm... routing will work, but NAT might be a little more tricky...
Where is the NAT taking place? On this router, or upstream, or a firewall behind it?
0

Featured Post

Free learning courses: Active Directory Deep Dive

Get a firm grasp on your IT environment when you learn Active Directory best practices with Veeam! Watch all, or choose any amount, of this three-part webinar series to improve your skills. From the basics to virtualization and backup, we got you covered.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

This solves the problem of diagnosing why an internet connection is no longer working. It also helps identify the likely cause of the lost connection if the procedure fails to re-establish your internet connection. It helps to pinpoint the likely co…
Sometimes you have to pull out old tricks to get a new firewall to work… While we were installing a new Sonicwall at a customers site we found that sites they were able to visit before were not working.  It seemed random and we could not understa…
Although Jacob Bernoulli (1654-1705) has been credited as the creator of "Binomial Distribution Table", Gottfried Leibniz (1646-1716) did his dissertation on the subject in 1666; Leibniz you may recall is the co-inventor of "Calculus" and beat Isaac…
A short tutorial showing how to set up an email signature in Outlook on the Web (previously known as OWA). For free email signatures designs, visit https://www.mail-signatures.com/articles/signature-templates/?sts=6651 If you want to manage em…

860 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question