multicast iptv stream from provider

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Jun 18th, 2010
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Hello,


We have an provider for iptv, he sends us a multicast stream on a certain source e.g. 239.232.1.1

The source for this stream is an ip-address on his network e.g. 104.103.102.1

We don't get an ip-address from him on this subnet.

We have no route to him.

All we have is the connection coming in on one gigethernet port of our Cat6509  e.g. int Gi4/20

There is no PIM between us and the iptv-provider


Our network is Layer3 connected like this



                                                                                                                              int gi4/20 link to iptv provider

corerouter1     int gi2/1   ip address  172.29.1.1/30   ------------------------------ corerouter2   int gi2/1 ip address 172.29.1.2/30

                     int gi2/2   ip address   172.29.1.181/30                                                 int gi2/2 ip address 172.29.1.185/30

                                 |                                                                                                     |

                                 |                                                                                                     |

                                 |                              cat4507re clientrouter                                        |

                                 ----------    int gi1/1                                             int gi1/2 --------------------

                                              ip add 172.29.1.182/30                          ip add 172.29.1.186/30

                                           

                                             also  router for vlan 2117  ip address 172.29.17.254/24




clients for the iptv are on the 'client router' in vlan 2117

Actually there are a lot of different client routers with clients on different vlans, but the fundamental setup is the same.


Multicast routing is enabled everywhere , sparse-dense on all interfaces

corerouter1 and corerouter2 are configured to be candidate RP's 

corerouter2 is the actual RP


Problem: how do I get the clients on clientrouter on vlan2117 to receive the multicast stream coming from the provider.

If I configure int gi4/20 on corerouter2 to be an access switchport in a vlan , the clients in that vlan receive the stream,

but nobody outside that vlan receives the stream.


I've been looking at igmp-proxy but I don't know if that is the right solution for my problem.


Any help will be much appreciated.


Kind regards.

D. Vanoverschelde

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rababosama Thu, 12/09/2010 - 05:57
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Hi D. Vanoverschelde


I think the solutions of this problem to create sparse-dense mode into the giga Ethernet and interface vlan on both corerouter2 and cat4507

You can solve this problem by creating ip pim sparse-dense mode into the interface giga and interface vlan

Or you can create port channel on both routers like the following


At corerouter2:


1-    Create port channel

# interface Port-channel2

description "To cat4507"

ip address 172.29.1.185 255.255.255.252

ip pim sparse-dense-mode


2-    Configure   int gi2/2


     description "To cat4507 client router"

     no ip address

     logging event link-status

     channel-group 2 mode on


## If you don’t need to create port channel on both routers, so you can add ip pim command into the interface giga2/2 on corerouter2 and the interface giga1/2 on client router


At cat4507re clientrouter :


1-    Create port channel:

# interface Port-channel2

description "To corerouter2"

ip address 172.29.1.186 255.255.255.252

ip pim sparse-dense-mode


2-    Configure   int gi1/2:


     description "To corerouter2"

     no ip address

     logging event link-status

     channel-group 2 mode on


3-    Create any interface vlan :


interface Vlan 2117

ip address 172.19.17.254 255.255.255.0

ip pim sparse-denese-mode

ip route-cache flow

ip igmp version 3



Hope to help!! And update me


Rabab Osama


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