Re: wild card mask for mulitcast

Hi All,

Just confirmed.

EIGRP and RIP, TTL of 2 while OSPF, TTL of 1

HTH

FORTE
Sent from my BlackBerry. wireless device

-----Original Message-----
From: Narbik Kocharians <narbikk_at_gmail.com>
Sender: nobody_at_groupstudy.com
Date: Sun, 17 Mar 2013 13:17:26
To: marc edwards<renorider_at_gmail.com>
Reply-To: Narbik Kocharians <narbikk_at_gmail.com>
Cc: Tony Singh<mothafungla_at_gmail.com>; Imran Ali<immrccie_at_gmail.com>; Cisco certification<ccielab_at_groupstudy.com>
Subject: Re: wild card mask for mulitcast

marc,

Please configure two routers running RIPv2 and capture some packets and
check the TTL field. I think we all know the documents. I don't have
dynamips loaded on my laptop.

Thanks

On Sun, Mar 17, 2013 at 11:35 AM, marc edwards <renorider_at_gmail.com> wrote:

>
>
http://www.cisco.com/en/US/tech/tk828/technologies_white_paper09186a00802d464
3.shtml
>
> Local Network Control Block
>
> The range of 224.0.0.0 through 224.0.0.255 is considered the Local
> Network Control Blockmore commonly known as the Link-Local Blockand
> is used by network protocols on a local subnet segment. Packets with
> an address in this range are local in scope and always should be
> transmitted with a Time To Live (TTL) of 1 so that they go no farther
> than the local subnet.
>
> Table 2 is a list of the Link-Local multicast addresses taken directly
> from the IANA database at the time this paper was written. The table
> lists the reserved multicast addresses, the network protocol function
> to which it has been assigned, and the person who requested the
> address or the RFC associated with the protocol.
>
> Table 2 Local Network Control Block
>
> Address
> Usage
> Reference
> 224.0.0.1
>
> All Hosts
>
> [RFC 1112, JBP]
>
> 224.0.0.2
>
> All Multicast Rrouters
>
> [IANA]
>
> 224.0.0.3
>
> Unassigned
>
> [IANA]
>
> 224.0.0.4
>
> DVMRP Routers
>
> [RFC 1075, JBP]
>
> 224.0.0.5
>
> OSPF Routers
>
> [RFC 1583, JXM1]
>
> 224.0.0.6
>
> OSPF Designated Rrouters
>
> [RFC 1583, JXM1]
>
> 224.0.0.7
>
> ST Routers
>
> [RFC 1190, KS14]
>
> 224.0.0.8
>
> ST Hosts
>
> [RFC 1190, KS14]
>
> 224.0.0.9
>
> RIP2 Routers
>
> [RFC 1723, SM11]
>
> 224.0.0.10
>
> IGRP Routers
>
> [Farinacci]
>
> 224.0.0.11
>
> Mobile-Agents
>
> [Bill Simpson]
>
> 224.0.0.12
>
> DHCP Server/Relay Agent
>
> [RFC1884]
>
> 224.0.0.13
>
> All PIM Routers
>
> [Farinacci]
>
> 224.0.0.14
>
> RSVP-ENCAPSULATION
>
> [Braden]
>
> 224.0.0.15
>
> all-cbt-routers
>
> [Ballardie]
>
> 224.0.0.16
>
> designated-sbm
>
> [Baker]
>
> 224.0.0.17
>
> all-sbms
>
> [Baker]
>
> 224.0.0.18
>
> VRRP
>
> [Hinden]
>
> 224.0.0.19
>
> IPAllL1Iss
>
> [Przygienda]
>
> 224.0.0.20
>
> IPAllL2Iss
>
> [Przygienda]
>
> 224.0.0.21
>
> IPAllIntermediate Systems
>
> [Przygienda]
>
> 224.0.0.22
>
> IGMP
>
> [Deering]
>
> 224.0.0.23
>
> GLOBECAST-ID
>
> [Scannell]
>
> 224.0.0.24
>
> Unassigned
>
> [IANA]
>
> 224.0.0.25
>
> router-to-switch
>
> [Wu]
>
> 224.0.0.26
>
> Unassigned
>
> [IANA]
>
> 224.0.0.27
>
> Al MPP Hello
>
> [Martinicky]
>
> 224.0.0.28
>
> ETC Control
>
> [Polishinski]
>
> 224.0.0.29
>
> GE-FANUC
>
> [Wacey]
>
> 224.0.0.30
>
> indigo-vhdp
>
> [Caughie]
>
> 224.0.0.31
>
> Shinbroadband
>
> [Kittivatcharapong]
>
> 224.0.0.32
>
> Digistar
>
> [Kerkan]
>
> 224.0.0.33
>
> ff-system-management
>
> [Glanzer]
>
> 224.0.0.34
>
> Pt2-discover
>
> [Kammerlander]
>
> 224.0.0.35
>
> DXCLUSTER
>
> [Koopman]
>
> 224.0.0.36
>
> DTCP Announcement
>
> [Cipiere]
>
> 224.0.0.37-
>
> 224.0.0.68
>
> Zeroconfaddr
>
> [Guttman]
>
> 224.0.0.69-
>
> 224.0.0.100
>
> Unassigned
>
> [IANA]
>
> 224.0.0.101
>
> cisco-nhap
>
> [Bakke]
>
> 224.0.0.102
>
> HSRP
>
> [Wilson]
>
> 224.0.0.103
>
> MDAP
>
> [Deleu]
>
> 224.0.0.104
>
> Nokia MC CH
>
> [Kalhour]
>
> 224.0.0.105
>
> ff-lr-address
>
> [Glanzer]
>
> 224.0.0.106-
>
> 224.0.0.250
>
> Unassigned
>
> [IANA]
>
> 224.0.0.251
>
> MDNS
>
> [Cheshire]
>
> 224.0.0.252-
>
> 224.0.0.255
>
> Unassigned
>
> [IANA]
>
>
> Marc Edwards
> CCIE #38259
>
>
> On Sun, Mar 17, 2013 at 11:08 AM, Narbik Kocharians <narbikk_at_gmail.com>
> wrote:
> > I am not in front of a rack but i think last i checked it was two, please
> > wire shark it to verify.
> >
> > On Sun, Mar 17, 2013 at 11:03 AM, Narbik Kocharians <narbikk_at_gmail.com
> >wrote:
> >
> >> Guys, the TTL for Eigrp and RIP is 2.
> >>
> >> On Sun, Mar 17, 2013 at 10:49 AM, Tony Singh <mothafungla_at_gmail.com
> >wrote:
> >>
> >>> There's a good IANA description here
> >>>
> >>>
> >>>
> http://www.iana.org/assignments/multicast-addresses/multicast-addresses.xml
> >>>
> >>> 224.0.0.0 - 225.0.0.255 is link local with TTL of 1
> >>>
> >>> --
> >>> BR
> >>>
> >>> Tony
> >>>
> >>> Sent from my iPhone on 3
> >>>
> >>> On 17 Mar 2013, at 17:24, Imran Ali <immrccie_at_gmail.com> wrote:
> >>>
> >>> > *
> >>> > Hi all,
> >>> >
> >>> > i am not sure how calculations are made for wildcard mask for
> multicast
> >>> > gorups ?
> >>> >
> >>> > what ranges are covered on /4 or /5 Any link ?
> >>> >
> >>> >
> >>> > Rack1R3#show ip pim rp mapping
> >>> > *
> >>> >
> >>> > PIM Group-to-RP Mappings
> >>> >
> >>> > *Group(s) 224.0.0.0/5*
> >>> >
> >>> > RP 150.1.8.8 (?), v2v1
> >>> >
> >>> > Info source: 150.1.1.1 (?), elected via Auto-RP
> >>> >
> >>> > Uptime: 00:00:23, expires: 00:02:33
> >>> >
> >>> > *Group(s) 224.0.0.0/4*
> >>> >
> >>> >
> >>> > Blogs and organic groups at http://www.ccie.net
> >>> >
> >>> >
> _______________________________________________________________________
> >>> > Subscription information may be found at:
> >>> > http://www.groupstudy.com/list/CCIELab.html
> >>>
> >>>
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> >>>
> >>> _______________________________________________________________________
> >>> Subscription information may be found at:
> >>> http://www.groupstudy.com/list/CCIELab.html
> >>>
> >>>
> >>>
> >>>
> >>>
> >>>
> >>>
> >>>
> >>
> >>
> >> --
> >> *Narbik Kocharians
> >> *CCSI#30832, CCIE# 12410 (R&S, SP, Security)
> >> *www.MicronicsTraining.com* <http://www.micronicstraining.com/>
> >> Sr. Technical Instructor
> >> YES! We take Cisco Learning Credits!
> >> A Cisco Learning Partner
> >>
> >
> >
> >
> > --
> > *Narbik Kocharians
> > *CCSI#30832, CCIE# 12410 (R&S, SP, Security)
> > *www.MicronicsTraining.com* <http://www.micronicstraining.com/>
> > Sr. Technical Instructor
> > YES! We take Cisco Learning Credits!
> > A Cisco Learning Partner
> >
> >
> > Blogs and organic groups at http://www.ccie.net
> >
> > _______________________________________________________________________
> > Subscription information may be found at:
> > http://www.groupstudy.com/list/CCIELab.html
> >
> >
> >
> >
> >
> >
> >
>

--
*Narbik Kocharians
*CCSI#30832, CCIE# 12410 (R&S, SP, Security)
*www.MicronicsTraining.com* <http://www.micronicstraining.com/>
Sr. Technical Instructor
YES! We take Cisco Learning Credits!
A Cisco Learning Partner
Blogs and organic groups at http://www.ccie.net