BGP Auto-Discovered Neighbors using IPv6 NDP
IPv6 Link-Local
IPv6 Neighbor Discovery
Juniper vLabs for testing
https://www.juniper.net/documentation...
https://jlabs.juniper.net/vlabs/
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vMX1
set protocols bgp group my-ad peer-as 64513
set protocols bgp group my-ad dynamic-neighbor my-ad-template peer-auto-discovery family inet6 ipv6-nd
set protocols bgp group my-ad dynamic-neighbor my-ad-template peer-auto-discovery interface ge-0/0/0.0
set routing-options autonomous-system 64512
set interfaces ge-0/0/0 unit 0 family inet6
===============================================
vMX2
set protocols bgp group my-ad peer-as 64512
set protocols bgp group my-ad dynamic-neighbor my-ad-template peer-auto-discovery family inet6 ipv6-nd
set protocols bgp group my-ad dynamic-neighbor my-ad-template peer-auto-discovery interface ge-0/0/0.0
set routing-options autonomous-system 64513
set interfaces ge-0/0/0 unit 0 family inet6
===============================================
verify...
show bgp summary
show bgp group my-ad
show ipv6 neighbors