Re: wild card mask for mulitcast

done some further digging as thought OSPF might be apart of this rule
but it seems not, anyone know why IOS has set the TTL to 2?

I'm thinking here OSPF is link state hence TTL=1 and EIGRP/RIP is
distance vector TTL=2 to account for NBMA situations, please confirm

On 17 March 2013 18:08, 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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>>
>>
>>
>> --
>> Narbik Kocharians
>> CCSI#30832, CCIE# 12410 (R&S, SP, Security)
>> 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
> Sr. Technical Instructor
> YES! We take Cisco Learning Credits!
> A Cisco Learning Partner

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Received on Sun Mar 17 2013 - 19:33:27 ART