Re: wild card mask for mulitcast

sorry 7. /4 & 15. /5

On 17 March 2013 21:30, Tony Singh <mothafungla_at_gmail.com> wrote:
> 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*
>>> > >> >>> >
>>> > >> >>> >
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>>> > >> >>> >
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>>> > >> >> --
>>> > >> >> *Narbik Kocharians
>>> > >> >> *CCSI#30832, CCIE# 12410 (R&S, SP, Security)
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>>> > >> http://www.micronicstraining.com/>
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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/>
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>>> > > --
>>> > > *Narbik Kocharians
>>> > > *
>>> > > CCSI#30832, CCIE# 12410 (R&S, SP, Security)
>>> > > *www.MicronicsTraining.com* <http://www.micronicstraining.com/>
>>> > > Sr. Technical Instructor
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Received on Sun Mar 17 2013 - 21:31:46 ART