Re: Help understanding RSVP - a few questions

Dude ... you rock man.

Makes sense, many thanks for the link. Very helpful.

Any thoughts on using this w/ mcast and the command mentioned? No worries
... I have learned a lot about it in these studies and questions. Questions
.. questions ... questions ...

;-)

On Sat, Aug 22, 2009 at 5:32 PM, Ryan West <rwest_at_zyedge.com> wrote:

> Hey, hopefully this link will help with your understanding:
>
>
> http://books.google.com/books?id=of76QmGUnAoC&pg=PA829&lpg=PA829&dq=asymmetrical+routing+and+RSVP&source=bl&ots=nbR0Tq4WRJ&sig=MuM5kIKoAWYrSL_uqMD17sIVvZ8&hl=en&ei=YmOQSsaxDdCTlAekjfChDA&sa=X&oi=book_result&ct=result&resnum=2#v=onepage&q=&f=false
>
> basically, you're right, you need a symmetrical path.
>
> -ryan
>
> -----Original Message-----
> From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf Of
> ALL From_NJ
> Sent: Saturday, August 22, 2009 4:39 PM
> To: Molomo
> Cc: Iwan Hoogendoorn; Cisco certification
> Subject: Re: Help understanding RSVP - a few questions
>
> I saw that ... good point. If the solution calls for another queuing
> method
> ... then RSVP is out.
>
> Just wondering on the other questions ... I suppose I could lab the
> asymmetric routing scenario up and test. Was just trying to be lazy and
> see
> if anyone already knew the answer ...
>
>
>
> On Sat, Aug 22, 2009 at 11:03 AM, Molomo <letjedilakopa_at_gmail.com> wrote:
>
> > Fair queue on interface is a requirement.. Although it is on by default
> on
> > interfaces with E1 and lower speeds, just must make sure.
> >
> > Rdgs,
> > Molomo
> >
> >
> > On 8/22/09, ALL From_NJ <all.from.nj_at_gmail.com> wrote:
> >>
> >> Thanks for this.
> >>
> >> I could not find reference to the asymmetric routing question ... if I
> >> understand RSVP signaling correctly, then this will cause problems ...
> >>
> >> Also, I am not understanding when entering a mcast message is
> >> required. It
> >> sounds like you will do this when you have a mcast only receiver. Is
> this
> >> correct?
> >>
> >> Many thanks
> >>
> >>
> >>
> >> On Sat, Aug 22, 2009 at 7:10 AM, Iwan Hoogendoorn <iwan_at_ipexpert.com>
> >> wrote:
> >>
> >> > Hi Andrew,
> >> >
> >> > When you configure RSVP you need to configure the following things:
> >> >
> >> > RSVP Task List
> >> > After you have planned your RSVP configuration, enter the Cisco IOS
> >> > commands that implement your configuration plan. The following
> >> > sections discuss how to configure RSVP. You must enable RSVP on an
> >> > interface in order to use it; the other tasks are optional.
> >> >
> >> > Enable RSVP
> >> > Enter Senders in the RSVP Database
> >> > Enter Receivers in the RSVP Database
> >> > Enter Multicast Addresses
> >> > Control Which RSVP Neighbor Can Offer a Reservation
> >> > Monitor RSVP
> >> >
> >> > More information on this you can find here:
> >> >
> >> >
> >> >
> >>
> >>
> http://www.cisco.com/en/US/docs/ios/11_3/np1/configuration/guide/1crsvp.html
> >> >
> >> >
> >> > --
> >> > Regards,
> >> >
> >> > Iwan Hoogendoorn
> >> > CCIE #13084 (R&S / Security / SP)
> >> > Sr. Support Engineer IPexpert, Inc.
> >> > URL: http://www.IPexpert.com
> >> >
> >> >
> >> >
> >> >
> >> >
> >> >
> >> >
> >> > On Sat, Aug 22, 2009 at 5:39 AM, ALL From_NJ<all.from.nj_at_gmail.com>
> >> wrote:
> >> > > Hey Team,
> >> > >
> >> > > I have configured this on all interfaces from end to end ...
> >> > >
> >> > > ip rsvp band x y
> >> > >
> >> > > Ok ... now what ... this is all that is needed? I know you can
> >> configure
> >> > > the routers to send and receive test, and I have not done this yet
> in
> >> my
> >> > > lab. From the config guides, it looks like it would take a copy and
> >> > paste
> >> > > to make this work ... not very complicated.
> >> > >
> >> > > When I want my network to inter-operate w/ a mcast application, I
> also
> >> > have
> >> > > to generate mcast RSVP packets correct? Using the command: ip rsvp
> >> > > udp-multicast ?
> >> > >
> >> > > Misc Question: It appears that RSVP cannot support asymmetric
> routing?
> >> > From
> >> > > what I gather, the packets have to make it to the destination and
> back
> >> > using
> >> > > the same path. It also seems that RSVP can react and choose a new
> >> path
> >> > as
> >> > > the routing table changes ... this is nice.
> >> > >
> >> > > All in all, I do not see this being used much ... but perhaps I just
> >> have
> >> > > not needed it yet. Anyone using this and any testimonies?
> >> > >
> >> > > Appreciate your thoughts, have a great night.
> >> > >
> >> > > --
> >> > > Andrew Lee Lissitz
> >> > > all.from.nj_at_gmail.com
> >> > >
> >> > >
> >> > > Blogs and organic groups at http://www.ccie.net
> >> > >
> >> > >
> >> _______________________________________________________________________
> >> > > Subscription information may be found at:
> >> > > http://www.groupstudy.com/list/CCIELab.html
> >> > >
> >> > >
> >> > >
> >> > >
> >> > >
> >> > >
> >> > >
> >> > >
> >> >
> >> >
> >> >
> >> > --
> >> > Regards,
> >> >
> >> > Iwan Hoogendoorn
> >> > CCIE #13084 (R&S / Security / SP)
> >> > Sr. Support Engineer IPexpert, Inc.
> >> > URL: http://www.IPexpert.com
> >> >
> >>
> >>
> >>
> >> --
> >> Andrew Lee Lissitz
> >> all.from.nj_at_gmail.com
> >>
> >>
> >> Blogs and organic groups at http://www.ccie.net
> >>
> >> _______________________________________________________________________
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> >>
> >>
> >>
> >>
> >>
> >>
> >
>
>
> --
> Andrew Lee Lissitz
> all.from.nj_at_gmail.com
>
>
> Blogs and organic groups at http://www.ccie.net
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-- 
Andrew Lee Lissitz
all.from.nj_at_gmail.com
Blogs and organic groups at http://www.ccie.net