new router to multicast setup

[Shibu1978]

Hi All,

I am currently having the attached Multicast setup in our office.  due to business needs we would like to add one more router with a DS3 link to the existing Multicast setup.  in the current setup we use PIM-SM with IGMP v3 for SSM mapping. everything works well as of now.

As we are adding a new location to the setup i would like to clarrify the below points.

1) On the new location router does not support SSM mapping so we have to use PIM-SM only .. to get the stream from Sourcewhat are the other configs needed at Router C?

2) Other than reachability from Router A to Router C via Router B is there any other config needed ie  GRE tunnel e.t.c?

Please put your suggestions and guidance

Thanks

[Reza Sharifi]

Hi,

1) On the new location router does not support SSM mapping so we have to use PIM-SM only .. to get the stream from Sourcewhat are the other configs needed at Router C?

Do you need to run SSM?

SSM mapping enables you to leverage  SSM for video delivery to legacy set-top boxes (STBs) that do not  support IGMPv3 or for applications that do not take advantage of the  IGMPv3 host stack.

2) Other than reachability from Router A to Router C via Router B is there any other config needed ie  GRE tunnel e.t.c?

Correct, you need reachablilty from router A to router C. You also need to enable Multicast with PIM-SM on router C.

http://www.cisco.com/en/US/docs/ios/ipmulti/configuration/guide/imc_ssm_mapping_ps6350_TSD_Products_Configuration_Guide_Chapter.html#wp1054526

HTH

Reza

[Shibu1978]

Hi Reza,

Thanks for your reply.

Meanwhile we dont need to run SSM mapping on Router C. we thought of adding it cause the existing setup ( between Router A & B) has SSM configured in it.  Our requirement to send the mulitcast traffic from Source(Router A)  to receivers connected with Router C.

In this Context i may have  to do the following on the routers.. pl correct me.

1) Get the reachability from Router A to Router C

2) Enable PIM-SM on the interface S1 ( Router B) , Interface S1 ( Router C)  & Interface E0 ( Router C)

3) Is any other configuration required  like  RP (Rendezvous Point)  or not?

Hope the above steps will acheive my requirement....

Is ther any way i can restrict some of the Mutlicast group( 234.0.2.10 to 30) on Router C ?

Thanks

[Reza Sharifi]

Hi,

You steps to configure multicast are correct. Make sure to turn on Multicast routing globally on router C also

Since you are running PIM-SM, you can make router B your RP.

As for restricting access have a look at this document

http://www.cisco.com/en/US/docs/security/asa/asa83/configuration/guide/route_multicast.html#wp1138057

[Shibu1978]

Thanks Reza,

Could you please correct me on the RP part.  as per my setup Source are being connected to Router A. as a best way  which router should be made as RP ?     is it Router B or Router A?

Thanks

[Shibu1978]

Hi Reza ,

any reposnse?