From: dude (navinie@gmail.com)
Date: Mon Jun 04 2007 - 09:31:17 ART
Sorry,
I mistyped it to be classful. Right RIP V2 is classless.
On 6/4/07, Gary Duncanson <gary.duncanson@googlemail.com> wrote:
>
> RIP V2 is classless.
>
> It transmits the subnet mask with each route thereby supporting VLSM. This
> feature also allows RIPv2 to support discontiguous networks.
>
> Wendall Odom Written Study Guide p204.
>
> Gary
> ----- Original Message -----
> From: "dude" <navinie@gmail.com>
> To: "Ovidiu Neghina" <o.neghina@gmail.com>
> Cc: "Raj Bansal" <ccie_study06@yahoo.com>; <ccielab@groupstudy.com>
> Sent: Sunday, June 03, 2007 9:34 PM
> Subject: Re: MCast and RIP question
>
>
> > Even, I didnt understand the RIP Question. According to my understanding
> > RIPv1 doesn't support summarization. RipV2 supports summarization
> because
> > of
> > its classful nature.
> >
> > Navin
> >
> > On 6/3/07, Ovidiu Neghina <o.neghina@gmail.com> wrote:
> >>
> >> about multicast
> >> it depends what kind of the pim are you running
> >> pim dense mode - is the push and prune model; the ping to a multicast
> >> address will flow to all pim dense enabled interfaces, if there is no
> >> host
> >> that wants that multicast stream then all the routers will prune that
> >> stream
> >> pim sparse mode - this is the join and pull model , here is a little
> more
> >> complicated as we have the RP : If you have pim sparse-mode configured
> on
> >> all interfaces then the first packet is sent encapsulated as unicast to
> >> the
> >> RP by the first router near the source, if the RP has information about
> a
> >> host wanting to receive that multicast stream then it decapsulate the
> >> packet
> >> and sends to the shortest path tree (that was built by join message) ;
> if
> >> the RP does not have info about a host wanting to receive that
> multicast
> >> stream then it just sends back to the first router a Register Stop
> >> message
> >> -
> >> Stop router ! I don't need your multicast stream!
> >>
> >> You might want to read this configuration guide about multicast
> >>
> >>
> http://www.cisco.com/univercd/cc/td/doc/product/software/ios124/124cg/himc_c/mcbcncpt.htm
> >>
> >> I did not understand the RIP question
> >>
> >> 10x
> >> Ovidiu
> >>
> >> On 6/3/07, Raj Bansal <ccie_study06@yahoo.com> wrote:
> >> >
> >> > Mcast: If you got IP multicast turned up on a switch/router. Now you
> >> issue
> >> > ping simulating it as a source, what interface do these pings leave
> on?
> >> I
> >> > would assume it would be all the multicast interfaces but want to
> >> confirm.
> >> >
> >> > RIP: Does RIP v2 or RIP in general allow to summarize without
> >> contributing
> >> > routes?
> >> >
> >> > Thanks.
> >> >
> >> > Raj
> >> >
> >> >
> >> >
> >> > ---------------------------------
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> >> > Visit the Yahoo! Auto Green Center.
> >> >
> >> >
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