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bgpd: Implement EBGP-OAD peering type #14537

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merged 3 commits into from
Oct 11, 2023

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@ton31337 ton31337 commented Oct 6, 2023

@frrbot frrbot bot added bgp documentation tests Topotests, make check, etc labels Oct 6, 2023
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Why are we using oad in some spots and aod in others? Can we consolidate on one terminology?

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ton31337 commented Oct 6, 2023

Why are we using oad in some spots and aod in others? Can we consolidate on one terminology?

Correct, will fix that, it's confused every time I read as well 😁

At each EBGP boundary, BGP path attributes are modified as per [RFC4271], which includes stripping any IBGP-only attributes.

Some networks span more than one autonomous system and require more flexibility in the propagation of path attributes. It is worth noting that these multi-AS networks have a common or single administrative entity. These networks are said to belong to One Administrative Domain (OAD). It is desirable to carry IBGP-only attributes across EBGP peerings when the peers belong to an OAD.

This document defines a new EBGP peering type known as EBGP-OAD, which is used between two EBGP peers that belong to an OAD. This document also defines rules for route announcement and processing for EBGP-OAD peers.

https://datatracker.ietf.org/doc/html/draft-uttaro-idr-bgp-oad

Signed-off-by: Donatas Abraitis <[email protected]>
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looks good
waiting on freeze

@riw777 riw777 merged commit 97d8e5c into FRRouting:master Oct 11, 2023
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@ton31337 ton31337 deleted the feature/bgpd_aod branch October 11, 2023 15:16
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3 participants