Re: [FW1] Nokia Routing guru question ????

["Carric Dooley" <carric@FW1-NOSPAMcom2usa.com>]

What VRRP does is actually shut down the interfaces themselves... it won't
matter if the routing daemon dies or not.  When that route goes away,
traffice should take what WAS the higher cost route.


----- Original Message -----
From: "John Gesualdi" <jgesuald@projo.com>
To: <James_E_Clukey@rush.edu>; "fw"
<fw-1-mailinglist@lists.us.checkpoint.com>
Sent: Friday, September 08, 2000 7:57 AM
Subject: Re: [FW1] Nokia Routing guru question ????


>
>
>
> I wish it were that simple,  I did some testing and noticed  the external
cisco had
> routes from my internal network ( subnets)  via two paths ( the Nokias ),
this is
> during normal vrrp operation. I guess this makes sense becuase they are
equal cost
> routes. I figured I could tweak this by setting the path cost higher on
the backup
> Nokia.  This worked now I only see the internal subnets on the external
router via
> the primary nokia. The external traffic comming back  into my network
needs to only
> come in on the primary Nokia and having two equal cost routes will cause
the Ciscc
> to load balance, this won't work so I set the path cost on the 2nd Nokia
higher.
>
> I also saw during  failover that the internal subnets on the external
cisco routing
> table  still pointed to the primary Nokia even though I failed over to the
backup
> Nokia. I guess this also makes sense because I still have the OSPF
adjacency
> established with the external router and the Nokia. This is why I  wanted
to kill
> the routing daemon on the Primary Nokia during failover, killing routing
on the
> Primary Nokia makes the higher cost backup path show up in the external
Cisco.
>
> Someone mentioned that VRRP should take care of all of this automatically,
Is this
> true?
>
>
>
>
> James_E_Clukey@rush.edu wrote:
>
> > John:
> >
> >      If you say that you are using VRRP monitored circuits on both
Nokia's then
> > that means that all interfaces on the primary Nokia fail over to the
secondary.
> >
> >      Your Cisco's on both sides should be pointing to the "Virtual IP"
for the
> > interface in question. (i.e. for the external Cisco the route should be
pointing
> > to the Virtual IP of the external interface on the Nokia, and for the
internal
> > Cisco it should be pointing to the Virtual IP of the internal
interface). You do
> > not want to be pointing any of your Cisco's to any of the physical IP's
on the
> > Nokia's.
> >
> >      In the case of a failover then the secondary will be "routing" for
this
> > virtual IP and not the primary.
> >
> >      I hope that I have cleared things up a little, if not....you can
either
> > send me an email directly or just post another reply to the listserver.
> >
> > "John Gesualdi" <jgesuald@projo.com> on 09/07/2000 01:02:37 PM
> >
> >
> >
> >   To:          fw <fw-1-mailinglist@lists.us.checkpoint.com>
> >
> >   cc:          (bcc: James E Clukey/Rush/RSH)
> >
> >
> >
> >   Subject      [FW1] Nokia Routing guru question ????
> >   :
> >
> >
> >     Hi,
> >
> >     I have two Nokia's running VRRP monitored circuits. The Nokia's are
running
> > OSPF with a Cisco on the external network side and also run OSPF with 2
cisco's
> > on the internal network side. During an VRRP switch over to the BACKUP
machine
> > I need to automatically shut down routing on the MASTER  Nokia.  How can
I do
> > this?  Please help, thanks.
> >
> > --
> > John Gesualdi
> > The Providence Journal Company
> > Phone> > Pager> > CCDP,CCNP
> >
> >
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> --
> John Gesualdi
> The Providence Journal Company
> Phone> Pager> CCDP,CCNP
>
>
>
>
>
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