Re: wild card mask for mulitcast

Imran

/7 & /15 are correct, my output was googled as I'm not in front of my lab.

On 17 March 2013 21:22, Imran Ali <immrccie_at_gmail.com> wrote:
> my acl's are different than yours ..
>
> i have
>
> permit 224.0.0.0 7.255.255.255.0
> permit 224.0.0.0 15.255.255.255.0
>
> even though the acl's (wild card masks ) are different , then yours
> ...it is giving /4 for first line ...and /5 for second line.
>
> it seems ios has hard coded ..those value ...can you try with 3.255.255.255
> or 7.255.255.255 or 15.255.255.255 ..and confirm ..
>
>
>
> On Sun, Mar 17, 2013 at 10:22 PM, Tony Singh <mothafungla_at_gmail.com> wrote:
>>
>> Imran
>>
>> This is for group-to-auto-rp-announce with explicit acl's if im not
>> mistaken...
>>
>> R1 RP for 224.0.0.0/4
>>
>> ip pim send-rp-announce Loopback0 scope 16 group-list 1
>> access-list 1 permit 224.0.0.0 3.255.255.255
>>
>> R2 RP for 224.0.0.0/5
>>
>> ip pim send-rp-announce Loopback0 scope 16 group-list 1
>> access-list 1 permit 224.0.0.0 7.255.255.255
>>
>> Group(s) 224.0.0.0/4
>> RP 150.1.4.4 (?), v2v1
>> Info source: 150.1.5.5 (?), elected via Auto-RP
>> Uptime: 00:00:41, expires: 00:02:17
>>
>> Group(s) 224.0.0.0/5
>> RP 150.1.2.2 (?), v2v1
>> Info source: 150.1.5.5 (?), elected via Auto-RP
>> Uptime: 00:00:43, expires: 00:02:16
>>
>>
>> do you have any acl's in your config?
>>
>> BR
>>
>> Tony
>>
>>
>>
>> On 17 March 2013 18:32, Imran Ali <immrccie_at_gmail.com> wrote:
>> >
>> > thansk narbik,
>> >
>> > but what does /4 or /5 mean , /24 is making sense but not /4
>> > can you please clariry
>> >
>> > On Sun, Mar 17, 2013 at 9:28 PM, Narbik Kocharians
>> > <narbikk_at_gmail.com>wrote:
>> >
>> > > Imran,
>> > >
>> > > It is identifying the range, for example local scope has a range of
>> > > 224.0.0.0/24, meaning that 224.0.0.0 - 224.0.0.255.
>> > >
>> > >
>> > > On Sun, Mar 17, 2013 at 11:26 AM, Imran Ali <immrccie_at_gmail.com>
>> > > wrote:
>> > >
>> > >> Narbik,
>> > >> as i the output in my first mail , i see
>> > >> 224.0.0.0/4
>> > >> 224.0.0.0/5
>> > >>
>> > >> etc .....i recalled that multicast does not have subnet mask.
>> > >> then what does number after slash is suggesting ?
>> > >>
>> > >> is it a wild card ?
>> > >>
>> > >>
>> > >> On 3/17/13, 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
>> > >> >>> >
>> > >> >>> >
>> > >>
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>> > >> >>>
>> > >> >>>
>> > >> >>>
>> > >> >>>
>> > >> >>>
>> > >> >>
>> > >> >>
>> > >> >> --
>> > >> >> *Narbik Kocharians
>> > >> >> *CCSI#30832, CCIE# 12410 (R&S, SP, Security)
>> > >> >> *www.MicronicsTraining.com <http://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/>* <
>> > >> 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
>> >
>> > _______________________________________________________________________
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>> > http://www.groupstudy.com/list/CCIELab.html

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Received on Sun Mar 17 2013 - 21:30:46 ART