From: Larry Roberts (groupstudy@american-hero.com)
Date: Thu May 27 2004 - 17:52:09 GMT-3
That is way cool. I'm sitting here thinking of ways that I could use
this.
I just know I can come up with a scenario...
:)
On Thu, 2004-05-27 at 13:44, Sam Munzani wrote:
> This is the kind of answer I was looking for. This article 100% simulates my
> situation and answers my question. Thanks a lot. You made my day.
>
> Sam
> ----- Original Message -----
> From: "Kenneth Wygand" <KWygand@customonline.com>
> To: "Sam Munzani" <sam@munzani.com>; <ccielab@groupstudy.com>
> Sent: Thursday, May 27, 2004 12:25 PM
> Subject: RE: Network design case study
>
>
> I wonder if your friend just received the latest issue of Packet
> Magazine... use local policy routing through SAA agents.
>
> Article: Static and Policy Routing Enhancements
>
> http://www.cisco.com/en/US/about/ac123/ac114/ac173/Q2-04/department_tech
> tips.html
>
> Kenneth E. Wygand
> Systems Engineer, Project Services
> CISSP #37102, CCNP, CCDP, ACSP, Cisco IPT Design Specialist, MCP, CNA,
> Network+, A+
> Custom Computer Specialists, Inc.
> "The only unattainable goal is the one not attempted."
> -Anonymous
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> Sam Munzani
> Sent: Thursday, May 27, 2004 12:21 PM
> To: ccielab@groupstudy.com
> Subject: Network design case study
>
> Hi,
>
> A friend of mine stumped me on using DSL backup for their Internet T1
> line.
> Below is how they are setup.
>
> ---------Internet----------
> | |
> ISP1(T1) ISP2(DSL)
> | |
> PIX-515 PIX-506
> | |
> ----- Router(R1) -------
> |
> Switch
>
> All users are connected to internal switch. ISP devices are part of
> their
> managed service so customer does not have access to it. CPE starts at
> PIX
> firewalls. They way it's done now is everybody's GW is router's ethernet
> interface. Router has default route pointing to PIX-515. In case of T1
> failure, manually change that default route to point to PIX-506. Both
> firewalls has necessary NATs, rules defined properly so they start using
> DSL
> for internet. They don't have deep pocket for BGP so inbound mail
> traffic will
> not work until T1 is restored and they are OK with it.
>
> Is there any way to make the failover automatic? Since there is no
> dynamic
> routing between ISP routers and R1, how would R1 know about line
> failure?
>
> Any ideas will be greatly appreciated.
>
> Sam Munzani
> CCIE # 6479(R&S, Security)
>
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