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Add BGP route aggregation#3454

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DerDennisOP:feat/route-aggregation
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Add BGP route aggregation#3454
DerDennisOP wants to merge 5 commits into
osrg:masterfrom
DerDennisOP:feat/route-aggregation

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@DerDennisOP

@DerDennisOP DerDennisOP commented Jun 12, 2026

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Implements aggregate-address for IPv4/IPv6 unicast, configurable via the config file ([[global.aggregates]]), gRPC, and CLI (gobgp global aggregate). Supports summary-only, as-set (RFC 4271 AS_SET / ATOMIC_AGGREGATE / AGGREGATOR), and filtering contributors through a policy. The engine is event-driven off RIB updates, so it adds no per-update RIB scan. Closes #3259.

pkg/config/oc/bgp_configs.go was hand-edited to match the gobgp.yang change because I couldn't get pyang set up locally.

Signed-off-by: Dennis Wuitz <dennish@wuitz.de>
Signed-off-by: Dennis Wuitz <dennish@wuitz.de>
Signed-off-by: Dennis Wuitz <dennish@wuitz.de>
Signed-off-by: Dennis Wuitz <dennish@wuitz.de>
Signed-off-by: Dennis Wuitz <dennish@wuitz.de>
@DerDennisOP DerDennisOP force-pushed the feat/route-aggregation branch from 703944b to f59f3a4 Compare June 12, 2026 13:53
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what about the license header? i just straight out copied that? No SPDX?

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How to aggregate Routes?

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