All things related to multicast

[Niels den Otter <>]

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Hello Zenon,

Zenon Mousmoulas wrote:
> I see this is a rather different approach from the IOS "ip multicast
> rate-limit", which (supposedly) works by setting limits per S,G. I'm not
> sure at all if this could be considered an "equivalent" for JunOS, but
> wouldn't it make sense to use multicast flow maps and policies (if
> available on the platform)?
> 
> [edit policy-options]
> 
> prefix-list sapMcastGroup {
>  224.2.127.254;
> }
> 
> policy policyForSap {
>  from {
>   prefix-list sapMcastGroup;
>  }
>  then accept;
> }
> 
> [edit routing-options]
> 
> multicast {
>  flow-map flowMapForSap {
>   bandwidth 1m;
>   policy policyForSap;
>  }
> }
> 
> Multicast Flow Maps:
> http://www.juniper.net/techpubs/software/junos/junos91/swconfig-multicast/flow-maps.html#id-12238432
> 
> Defining Bandwidth for Multicast Flows:
> http://www.juniper.net/techpubs/software/junos/junos91/swconfig-multicast/defining-bandwidth-for-multicast-flows_1.html#id-12316189

Do you have experience with this configuration? Rate-limiting per source/flow 
would be really nice. Another advantage is that it is global configuration 
and not per-interface.


- -- Niels
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