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SD-Access Transit Multicast support

Sylvain_Che
Beginner
Beginner

Hello,

 

I'm currently assessing the SD-Access Transit for a multi-site SDA deployment.

At CLEUR2020, I've noted that multicast was not supported between sites when using such type of transit.

 

I'm unable to find a documentation stating whether or not multicast is now supported with newer DNAC versions.

Does someone have this information please?

 

Regards,

Sylvain.

2 Accepted Solutions

Accepted Solutions

jedolphi
Cisco Employee
Cisco Employee

Hi. At this moment multicast between Fabric Sites over SD-Access Transit is not supported. We have multicast support committed to a future release. Pub/Sub SD-Access Transit will be mandatory. It's too early to reveal the supported scenarios and prerequisites in a public forum but if you need to know more about when/how then your Cisco SE or AM should be able to provide additional information. Best regards, Jerome

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Hi Sylvian, if you are asking for multicast flowing from DC,  over an IP Transit, to a single Fabric Site which is also connected to SD-Access Transit, then the that is fine. The limitation/restriction comes if you try to carry multicast between Fabric Sites over SD-Access Transit. Best regards, Jerome

View solution in original post

5 Replies 5

balaji.bandi
VIP Community Legend VIP Community Legend
VIP Community Legend
 I've noted that multicast was not supported between sites when using such type of transit.

Do you mean 2 SDA or Multi-site deployment?

 

check this below information may be helpful :

 

 

https://community.cisco.com/t5/networking-documents/cisco-sd-access-multicast/ta-p/4068110

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jedolphi
Cisco Employee
Cisco Employee

Hi. At this moment multicast between Fabric Sites over SD-Access Transit is not supported. We have multicast support committed to a future release. Pub/Sub SD-Access Transit will be mandatory. It's too early to reveal the supported scenarios and prerequisites in a public forum but if you need to know more about when/how then your Cisco SE or AM should be able to provide additional information. Best regards, Jerome

Thank you Jerome! I will contact my local Cisco representative.

 

What if both my multicast source and Rendezvous-Point are in the datacenter?!

Can I still use SD-Access Transit between sites?

IP-Transit still needed to reach datacenter, right?

 

Best regards,

Sylvain.

Hi Sylvian, if you are asking for multicast flowing from DC,  over an IP Transit, to a single Fabric Site which is also connected to SD-Access Transit, then the that is fine. The limitation/restriction comes if you try to carry multicast between Fabric Sites over SD-Access Transit. Best regards, Jerome

Thank you, it answers my question.

 

Best regards,

Sylvain.

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