Re: BGP annoucements/iBGP

Dear list,

Apologies on this post. My watery eyes and tired fingers typed in the wrong mailing-list address. Thanks anyways to those who replied nonetheless (and to those who were tempted to flame me, for not doing so).

Regards,

-nick/

Nick Kraal wrote:
Hello all,

We have a set up simplified as this:

Internet---[eBGP]---BR---[iBGP]---AR---[eBGP]---Cust_A

On the AR, we are receiving 2 routing paths to the customer's prefix:
[1] via Internet; 3 AS hops away
[2] announced from directly connected customer to AR; prefix is
prepended 7ASNs

Now as I understand it AR will not announce the unattractive prepended prefix to the other local iBGP speakers in the network. And ultimately not announce this block to the Internet.

Is there a way to circumvent this? The customer wants to 'see' us announce the prepended announcement (although we have told them it will be announced if the more attractive one is removed).

Thanks in advance.

-nick/

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