family

Syntax

family {(inet | inet6 | inet-vpn | inet6-vpn | iso-vpn) {(any | flow | labeled-unicast | multicast | unicast) {accepted-prefix-limit {maximum number;teardown <percentage> <idle-timeout (forever | minutes)>;}<loops number>;prefix-limit {maximum number;teardown <percentage> <idle-timeout (forever | minutes)>;}rib-group group-name;}flow {no-validate policy-name;}labeled-unicast {accepted-prefix-limit {maximum number;teardown <percentage> <idle-timeout (forever | minutes)>;}aggregate-label {community community-name:}explicit-null {connected-only;}prefix-limit {maximum number;teardown <percentage> <idle-timeout (forever | minutes)>;}resolve-vpn;rib inet.3;rib-group group-name;}}route-target {accepted-prefix-limit {maximum number;teardown <percentage> <idle-timeout (forever | minutes)>;}advertise-default;external-paths number;prefix-limit {maximum number;teardown <percentage> <idle-timeout (forever | minutes)>;}}(inet-mdt | inet-mvpn | inet6-mvpn | l2-vpn) {signaling {accepted-prefix-limit {maximum number;teardown <percentage> <idle-timeout (forever | minutes)>;}<loops number>;prefix-limit {maximum number;teardown <percentage> <idle-timeout (forever | minutes)>;}rib-group group-name}}}

Hierarchy Level

[edit logical-systems logical-system-name protocols bgp],[edit logical-systems logical-system-name protocols bgp group group-name],[edit logical-systems logical-system-name protocols bgp group group-name neighbor address],[edit logical-systems logical-system-name routing-instances routing-instance-name protocols bgp],[edit logical-systems logical-system-name routing-instances routing-instance-name protocols bgp group group-name],[edit logical-systems logical-system-name routing-instances routing-instance-name protocols bgp group group-name neighbor address],[edit protocols bgp],[edit protocols bgp group group-name],[edit protocols bgp group group-name neighbor address],[edit routing-instances routing-instance-name protocols bgp],[edit routing-instances routing-instance-name protocols bgp group group-name],[edit routing-instances routing-instance-name protocols bgp group group-name neighbor address]

Release Information

Statement introduced before Junos OS Release 7.4.

Statement introduced in Junos OS Release 9.0 for EX Series switches.

inet-mvpn and inet6-mpvn statements introduced in Junos OS Release 8.4.

inet-mdt statement introduced in Junos OS Release 9.4.

Support for the loops statement introduced in Junos OS Release 9.6.

Description

Enable multiprotocol BGP (MP-BGP) by configuring BGP to carry network layer reachability information (NLRI) for address families other than unicast IPv4, to specify MP-BGP to carry NLRI for the IPv6 address family, or to carry NLRI for VPNs.

Options

any—Configure the family type to be both unicast and multicast.

inet—Configure NLRI parameters for IPv4.

inet6—Configure NLRI parameters for IPv6.

inet-mdt—Configure NLRI parameters for the multicast distribution tree (MDT) subaddress family identifier (SAFI) for IPv4 traffic in Layer 3 VPNs.

inet-mvpn—Configure NLRI parameters for IPv4 for multicast VPNs.

inet6-mvpn—Configure NLRI parameters for IPv6 for multicast VPNs.

inet-vpn—Configure NLRI parameters for IPv4 for Layer 3 VPNs.

inet6-vpn—Configure NLRI parameters for IPv6 for Layer 3 VPNs.

iso-vpn—Configure NLRI parameters for IS-IS for Layer 3 VPNs.

l2-vpn—Configure NLRI parameters for IPv4 for MPLS-based Layer 2 VPNs and VPLS.

labeled-unicast—Configure the family type to be labeled-unicast. This means that the BGP peers are being used only to carry the unicast routes that are being used by labeled-unicast for resolving the labeled-unicast routes. This statement is supported only with inet and inet6.

loops number—(Optional) Specify the maximum number of times that the AS number can appear in the AS path received from a BGP peer for the specified address family. For number, include a value from 1 through 10.

Note: When you configure the loops statement for a specific BGP address family, that value is used to evaluate the AS path for routes received by a BGP peer for the specified address family rather than the loops value configured for the global AS number.

multicast—Configure the family type to be multicast. This means that the BGP peers are being used only to carry the unicast routes that are being used by multicast for resolving the multicast routes.

unicast—Configure the family type to be unicast. This means that the BGP peers only carry the unicast routes that are being used for unicast forwarding purposes.

Default: unicast

The remaining statements are explained separately.

Required Privilege Level

routing—To view this statement in the configuration.

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