BGP community in IOS XR

Hi all.

 Have a nice day.

I have a question related to MPLS and BGP. I have just read about:

    1. In IOS, all communities are not sent by default to iBGP or eBGP
sessions.

     2. In IOS-XR, all communities are sent by default on iBGP sessions,
but not on eBGP sessions.

Is that right? If it is right in IOS XR, it should be that we have to use
"send-extended-community-ebgp" when we want to neighbor with a router in
remote AS? Right?

 For example: router bgp 100
                          nei 10.1.2.2
                                remote 200
                               address-fa ipv4 mdt
                                    send-extended-community-ebgp
                                     exi
                           exi

And last one, if it is an iBGP, it doesn't need using any command like
"send-community extended" in IOS XR?

Thanks all.

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Received on Sun Jun 08 2014 - 13:05:39 ART