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Hierarchy Level


Implicitly configure BGP peers, allowing peer connections from any of the specified networks or hosts. To configure multiple BGP peers, configure one or more networks and hosts within a single allow statement or include multiple allow statements.

You can configure authentication for all implicitly configured peers at [edit protocols bgp group] level and to configure different authentication values for each prefix, you must configure allow under dynamic-neighbor dyn-name hierarchy.

You can limit the number of BGP sessions belonging to a given subnet using the peer-limit statement.


When set protocols bgp group group-name allow network is configured to accept dynamic BGP sessions, unconfigured-peer-graceful-restart statement should be configured to avoid traffic drop during graceful restart or graceful Routing Engine switchover.


all—Allow all addresses, which is equivalent to (or ::/0).

network/mask-length—IPv6 or IPv4 network number of a single address or a range of allowable addresses for BGP peers, followed by the number of significant bits in the subnet mask.

Required Privilege Level

routing—To view this statement in the configuration.

routing-control—To add this statement to the configuration.

Release Information

Statement introduced before Junos OS Release 7.4.

Statement introduced under [edit protocols bgp group group-name dynamic-neighbor dyn-name] hierarchy in Junos OS Release 19.1.