Paco,
Quick suggestion would be to look into the interface "backup"
commands. When doing so also look at Dialer profiles so you don't tie up
your phyical ISDN line while backing up the frame relay circuit. One other
note as clayton mentioned is to apply a value that is greater than the AD of
the routing protocol you are using to the floating static ISDN route.
There's a couple ways you can do this.. Sample config..
int Serial 0 <--------- Your frame-relay
circuit...
encap frame-relay
ip address 192.168.2.10 255.255.255.240
frame map ip 192.168.2.1 200 broadcast
no frame inverse-arp
backup interface Dialer0 <--------- the backup interface commands to
backup the fram-relay link
backup delay 5 15
int bri0 <--------- Your physical Bri interface
no ip address
encap ppp
dialer pool-member 1
isdn switch-type basic-ni
isdn spid1 0835835866101 8358661
isdn spid2 0835835866301 8358663
ppp authentication chap
int Dialer0 <------- the logical interface that backs up the
frame relay circuit...
ip addr 192.168.5.10 255.255.255.240
encap ppp
dialer pool 1
dialer remote name CCIE
dialer string 8358662
dialer-group 1
ppp authentication chap
ip route 0.0.0.0 0.0.0.0 192.168.5.12 <higer than the AD of routing protocol
in use>
HTH
Nigel..
----- Original Message -----
From: Clayton Price <[EMAIL PROTECTED]>
Newsgroups: groupstudy.cisco
To: <[EMAIL PROTECTED]>
Sent: Thursday, March 08, 2001 3:59 AM
Subject: Re: Problem with NAT
> Could you use a "floating static route"? Configure a static route via the
> ISDN connection, however assign this route a higher cost the tha route via
> the Frame relay connection.
>
> Clayton Price
>
> ""Paco"" <[EMAIL PROTECTED]> wrote in message
> 987kne$r0o$[EMAIL PROTECTED]">news:987kne$r0o$[EMAIL PROTECTED]...
> > Hi all:
> >
> > I have this problem. My network have a firewall that translate inside
IPīs
> > and a router Cisco 1720 connect the firewall to Internet, ok. I need to
> > implement a backup line, but this line canīt have the same IP address,
> then
> > i have to do a second NAT in the router, itīs possible? or how can I do
a
> > backup line that will have another public IP?
> >
> > Exist any command to detect that the Frame Relay is down and
automatically
> > open the ISDN connection?
> >
> >
> > Thanks for all.
> >
> >
> > Paco Garcia
> > [EMAIL PROTECTED]
> >
> >
> > _________________________________
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> >
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>
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