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Multicasting over GRE

bapatsubodh
Level 1
Level 1

Hi,

If we configure GRE tunnel between over the network which is not Multicasting enabled. But we need to send multicasting packets over GRE tunnel.

If we run routing protocol on the GRE tunnel it will form the neighbor relationship. Will it encapsulate the multicasting packets?

Please share the experience.

Thanks in advance


Subodh

2 Accepted Solutions

Accepted Solutions

Tod Larson
Level 3
Level 3

Multicast over GRE works great.  We use the ip pim sparse-dense-mode command on each end of the tunnel and performs great.

View solution in original post

Hitesh Vinzoda
Level 4
Level 4

Hi,

Make sure that RPF is done over the GRE tunnel, otherwise multicast will not work...

HTH

Hitesh Vinzoda

Pls rate useful posts.

View solution in original post

4 Replies 4

Tod Larson
Level 3
Level 3

Multicast over GRE works great.  We use the ip pim sparse-dense-mode command on each end of the tunnel and performs great.

Hitesh Vinzoda
Level 4
Level 4

Hi,

Make sure that RPF is done over the GRE tunnel, otherwise multicast will not work...

HTH

Hitesh Vinzoda

Pls rate useful posts.

Thanks guys !!

By RPF you mean reverse path  forwarding ..am I correct ..

Righto...!!

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