From: dude (navinie@gmail.com)
Date: Sun Jun 03 2007 - 17:34:17 ART
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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