From: Gary Duncanson (gary.duncanson@googlemail.com)
Date: Sun Jun 03 2007 - 18:04:55 ART
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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>> >
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