Hi Peter, Can you please point me in the draft https://www.ietf.org/id/draft-ppsenak-lsr-igp-ureach-prefix-announce-00.txt to some section which specifies based on exactly what network flooding changes UPA will be generated by ABRs ?
I think such text is not an implementation detail, but it is critical for mix vendor interoperability. Can UPA also be generated by P node(s) ? Specifically I was looking to find some information on how do you achieve assurance that UPA really needs to be generated when using various vendor's nodes with very different flooding behaviours and when subjects PEs may have a number of different links each with different node/link down detection timer ? Many thx, R.
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