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Re: BGP, ebgp-multihop and multiple peers
Iljitsch van Beijnum wrote:
On 27 aug 2008, at 7:58, Paul Wall wrote:
Thanks for the feedback.
The only reason I use loopbacks for eBGP multihop is so that if one of my physical interfaces goes down taking a transit link with it, these particular sessions will attempt to re-establish via another path.
Would someone be so kind as to point me in the direction of some documentation that describes the drawbacks (regarding the mentioned possibility of DoS/spoof attacks) of externally accessible loopbacks?
I'm drawing a blank on why this is any more risky than having a peering session (multihop) on a physical interface.
Would it be best if I configured the peering sessions on a physical interface instead?