<html><DIV>
<P>layer 8 politics</P>
<P>layer 9 finance<BR><BR></P></DIV>
<DIV></DIV>
<DIV></DIV>>From: Priscilla Oppenheimer <[EMAIL PROTECTED]>
<DIV></DIV>>Reply-To: Priscilla Oppenheimer <[EMAIL PROTECTED]>
<DIV></DIV>>To: [EMAIL PROTECTED]
<DIV></DIV>>Subject: Re: Question on HSRP
<DIV></DIV>>Date: Wed, 07 Mar 2001 10:15:46 -0800
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<DIV></DIV>>
<DIV></DIV>>Now, this is the kind of situation the various design certs should test
on!
<DIV></DIV>>&;-)
<DIV></DIV>>
<DIV></DIV>>Regarding your actual question, have you considered a Layer-8 solution?
<DIV></DIV>>Depending on who you talk to, Layer 8 deals with money, politics,
planning,
<DIV></DIV>>etc. My thinking is that you should select a provider that gives you
peace
<DIV></DIV>>of mind regarding resiliency within the provider's network. Howard
talked
<DIV></DIV>>about scope. Worrying about routes failing within your provider's
network
<DIV></DIV>>should be outside your scope. Sure, you might have to pay extra for
this
<DIV></DIV>>"peace of mind." But can you get a service-level agreement that gives
you this?
<DIV></DIV>>
<DIV></DIV>>Now, if your link to the provider dies, then you should be able to
failover
<DIV></DIV>>to the other provider. That much is within your scope. But worrying
about
<DIV></DIV>>routes within your providers' networks should theoretically be outside
your
<DIV></DIV>>scope.
<DIV></DIV>>
<DIV></DIV>>Priscilla
<DIV></DIV>>
<DIV></DIV>>At 09:10 AM 3/7/01, NetEng wrote:
<DIV></DIV>> >Thanks to everyone for the help. My questions have been answered
(for now).
<DIV></DIV>> >What I'm trying to do is; I have multiple remote offices where I
want to
<DIV></DIV>> >create a VPN tunnel across one provider to the corporate office.
In case
<DIV></DIV>> >that the provider goes down, I need to have the second provider
take over
<DIV></DIV>> >(with a new tunnel of course). The fail-over with BGP is the easy
part. The
<DIV></DIV>> >other guy working on this thinks everything should be running in
HSRP, and I
<DIV></DIV>> >don't/didn't think HSRP would allow the stand-by router to become
active
<DIV></DIV>> >with the failure being somewhere in the providers network. I
thought that I
<DIV></DIV>> >could run them in parallel and let a dynamic routing protocol do
the
<DIV></DIV>> >deciding. However, I heard IPSEC breaks routing protocols. I also
heard that
<DIV></DIV>> >you can run them throught a GRE tunnel and not encrypt them. This
is all
<DIV></DIV>> >still theory until we get some equipment in to do the pilot. Has
anyone
<DIV></DIV>> >tried doing this? I'll try this out (track command) and thanks
again for the
<DIV></DIV>> >info.
<DIV></DIV>> >
<DIV></DIV>> >Collin
<DIV></DIV>> >
<DIV></DIV>> >P.S. Priscilla your book rocks.
<DIV></DIV>> >
<DIV></DIV>> >""NetEng"" <[EMAIL PROTECTED]>wrote in message
<DIV></DIV>> >98423i$l2e$[EMAIL PROTECTED]">news:98423i$l2e$[EMAIL PROTECTED]...
<DIV></DIV>> > > Does HSRP work at the interface level or is the entire
router on
<DIV></DIV>> > > acvtive/stand-by? In other words, if I have two routers
working in HSRP
<DIV></DIV>> >and
<DIV></DIV>> > > a link goes down somewhere down the line, will the first
router know to
<DIV></DIV>> > > fail-over to the second router (with a good link)? I have
one router
<DIV></DIV>> > > connected to one ISP and a second router connected to a
second ISP. Can
<DIV></DIV>> > > these routers be run in HSRP or must they be running in
parallel and let a
<DIV></DIV>> > > dynamic routing protocol (BGP on the outside and let's say
EIGRP on the
<DIV></DIV>> > > inside) decide? TIA.
<DIV></DIV>> > >
<DIV></DIV>> > >
<DIV></DIV>> > > _________________________________
<DIV></DIV>> > > FAQ, list archives, and subscription info:
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<DIV></DIV>> >
<DIV></DIV>> >
<DIV></DIV>> >_________________________________
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<DIV></DIV>>
<DIV></DIV>>
<DIV></DIV>>________________________
<DIV></DIV>>
<DIV></DIV>>Priscilla Oppenheimer
<DIV></DIV>>http://www.priscilla.com
<DIV></DIV>>
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