Re: [FW-1] Multiple ISPs from firewall....

[Mike Glassman - Admin <admin@FW1-NOSPAMIAA.GOV.IL>]

We use BGP-4 for this  and it works fine.

Two ISP's at the same time, if one goes down the IP addresses do not change and the data is re-routed via the other ISP.

Take a look at that option.

Mike

> -----Original Message-----
> From: Srinivasa Rao Bandaru [SMTP:bsrao@WILCO-INT.COM]
> Sent: > â îøõ 19 2002 17:19
> To:   FW-1-MAILINGLIST@beethoven.us.checkpoint.com
> Subject:           [FW-1] Multiple ISPs from firewall....
>
> Hi,
>         I am just planning for resilience for the internet mail traffic. As
> part of this we are planning to have another internet connection from
> another ISP, So that if one internet connection goes down, the other
> internet connection wud be there for the mail traffic.  I am using CP4.1-SP5
> on Nokia IPSO-3.4. But I would like to know about the following issues:
>
> What happens to the NAT translations on the firewall? They are hard coded
> with 1st internet valid addresses in the firewall implied NAT rules. Suppose
> if the 1st internet connection goes down, the packets would go through the
> 2nd internet connection as 1st internet valid addresses according to NAT
> rules, But the reply would still tries to come through 1st internet link
> obviously and fail.....
>
> How can firewall know about the status of two internet links and route
> accordingly?
> How do I configure load sharing?
>
> I hope I am clear here.
> Please let me know the various solutions for this.
>
> Thanks a lot in advance.
> -Srinivas B.
>
>
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