On Wed, 6 Sep 2000, Leonard Ong wrote:
> I would like to ask for the following Scenario.
> Our country has depleted its ISDN Supply and we have to go either leased
> line or analog phone to have interconnection to ISP.
How can a country run out of ISDN?
> We have a leased line ( frame-relay ) to our ISP, however we would like to
> have a backup procedure when this link goes down, we would like to have like
> DDR but using analog modem ( say aux port ??? ) to dial up to another ISP
> using regular dial up account.
>
> 1) Will only Aux will achieve this or other alternative ?
The aux port can work, or you can use a serial interface as long as it
supports a regular modem.
> 2) how to make sure the routing static entry automatically change when it
> detects primary connection goes down, adn move the default gateway to the
> dial up interface.
Look into the "backup interface" command.
> 3) Making it harder the dial up account will assign dynamic IP.
You'll want to use NAT on the router, and ip address negotiated on the
dialup interface.
> So basically it's
>
> Switch ---- Router ----- leased line to ISP's router
Same or different ISP? Will you have any servers on the network, or
all internet users? If servers, you'll need to use the same ISP with
a means to route the same IP network over either the primary or backup
path.
--
Jay Hennigan - Network Administration - [EMAIL PROTECTED]
NetLojix Communications, Inc. NASDAQ: NETX - http://www.netlojix.com/
WestNet: Connecting you to the planet. 805 884-6323
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