Re: Multicast-Helper MAP

On R2, under router rip, do you have "no validate-update-source" ?

On Fri, Oct 8, 2010 at 6:14 AM, masroor ali <masror.ali_at_gmail.com> wrote:
> hi,
>
> R3---F0/0.34-------R4---F0/0.14---------R1----F0/0.12-------R2
>
> R4 and R1 is running multicast, R3 and R2 is running RIP ver 1
>
> same happening to me, R2 is not receiving Rip updates generated by R3,
> please help!!!!
>
> configuration is given below.
>
> R1
> interface FastEthernet0/0.14
> encapsulation dot1Q 14
> ip address 10.14.14.1 255.255.255.0
> ip pim dense-mode
> ip multicast helper-map 224.1.1.1 10.12.12.255 101
> ip forward-protocol udp rip
> !
> access-list 101 permit udp any any eq rip log
>
> interface FastEthernet0/0.12
> encapsulation dot1Q 12
> ip address 10.12.12.1 255.255.255.0
> ip directed-broadcast
> ip pim dense-mode
>
> R4
> interface FastEthernet0/0.34
> encapsulation dot1Q 34
> ip address 10.34.34.4 255.255.255.0
> ip pim dense-mode
> ip multicast helper-map broadcast 224.1.1.1 101 ttl 4
> !
> access-list 101 permit udp any any eq rip log
>
>
>
> On Thu, Oct 7, 2010 at 10:15 PM, mohmmad imran <imran_mohmmad_at_yahoo.com>wrote:
>
>> Hi Experts,
>>
>> I am trying to understand Mutlicast-helper map:-
>>
>> Fa0/0--R3--S0/1-----S0/0--R5--S0/1-------S0/0--R2--Fa0/0
>>
>> Pim is enabled on between serial interface along with R2 Fa0/0.
>> R2 Fa0/0 has joined a IGMP group 224.1.1.1
>> I can ping it from R3
>>
>>
>> Host Connected to R3 Fa0/0 supports only broadcast, if I want to use UDP
>> port 2000 to support receive and send multicast traffic what can we do.
>>
>> I tried to break it flow wise:-
>>
>> 1)destination as Broadcast from R3 Fa0/0 connected hosts: -
>> 2)destination as multicast from R2 Fa0/0 connected hosts: -
>>
>> for case 1:-
>> we can Convert the broadcast traffic into multicast on R3 ingress interface
>> (fa0/0) and then convert it into back to Multicast on R2 (Ingress interface
>> Se0/0).
>>
>> R3#
>> Int fa 0/0
>> ip address 192.168.3.3 255.255.255.0
>> ip multicast helper-map broadcast 224.1.1.1 100
>> !
>> ip forward-protocol udp 2000
>> access-list 100 permit udp any any eq 2000
>>
>> R2#
>> Int se0/0
>> En ppp
>> Ip address 192.168.5.2 255.255.255.252
>> Ip pim sparse-mode
>> ip multicast helper-map 224.1.2.3 173.20.18.255 100
>> !
>> ip forward-protocol udp 2000
>> access-list 100 permit udp any any eq 2000
>>
>> int fa 0/0
>> ip directed-broadcast
>>
>> From above the config broadcast traffic send by host will be delivered to
>> Host connected on R2 Fa0/0 as broadcast.
>>
>> I am not able to figure out what can be done to take the multicast traffic
>> from R2 connected host and delivered it as broadcast to R3 connected hosts.
>>
>> Please let me know if its possible, if yes how can I configure that.
>>
>>
>> - Imran
>>
>>
>> Blogs and organic groups at http://www.ccie.net
>>
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>>
>>
>>
>>
>>
>>
>
>
> --
> Regards,
> Masroor Ali
> P Please don't print this e-mail unless you really need to.
>
>
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>
> _______________________________________________________________________
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Received on Tue Oct 12 2010 - 00:43:15 ART