Cisco bgp route reflector how to#

Cisco bgp route reflector how to#

The following example shows how to use the additional-paths selection command: To configure additional paths selection mode for some or all prefixes, use the additional-paths selection command by specifying a route-policy. IPv4 address family configuration Command History Release

Specifies the name of a route policy used for additional paths selection. Use the additional-paths selection command with an appropriate route-policy to calculate backup paths and to enable Prefix Independent Convergence (PIC) functionality.Īdditional-paths selection route-policy route-policy name Syntax Description route-policy route-policy name To configure additional paths selection mode for a prefix, use the additional-paths selection command in the appropriate configuration mode. RP/0/ RP0 :hostname# configure RP/0/ RP0 :hostname# router bgp 1 RP/0/ RP0 :hostname(config-bgp)# address-family ipv4 multicast RP/0/ RP0 :hostname(config-bgp-af)# exit RP/0/ RP0 :hostname(config-bgp)# neighbor 10.0.0.1 RP/0/ RP0 :hostname(config-bgp-nbr)# remote-as 1 RP/0/ RP0 :hostname(config-bgp-nbr)# address-family ipv4 multicast RP/0/ RP0 :hostname(config-bgp-nbr-af)# The router in neighbor address family configuration mode for the IPv4 multicast RP/0/ RP0 :hostname# configure RP/0/ RP0 :hostname(config)# router bgp 100 RP/0/ RP0 :hostname(config-bgp)# address-family ipv4 unicast RP/0/ RP0 :hostname(config-bgp-af)#Įxample shows how to activate IPv4 multicast for neighbor 10.0.0.1 and place Sessions support IPv4 unicast, multicast, labeled-unicast, and VPNv4 unicastĮxample shows how to place the router in global address family configuration Labeled-unicast address family can be configured only as a neighbor addressįamily however, the ipv4 unicast address family must be configured as theĪddress-family command from neighbor configuration mode, you activate theĪddress family on the neighbor and enter neighbor address family configuration When you enter theĪddress-family command from router configuration mode, you enable the addressįamily and enter global address family configuration mode.Īddress family must be configured in router configuration mode beforeĬonfiguring the IPv4 labeled-unicast address family for a neighbor in neighbor If you suspect user group assignment is preventing youįrom using a command, contact your AAA administrator for assistance.Ĭommand to enter various address family configuration modes VRF neighbor configuration (IPv4 address families) Command HistoryĬommand, you must be in a user group associated with a task group that includes An address family must be configured in router configuration modeīefore it can be configured under a neighbor.

Under the neighbor for the BGP session to be established for that addressįamily. Similarly, an address family must be configured Must be explicitly configured in the router configuration mode for the addressįamily to be active in BGP. VPN Version 4 (VPNv4) unicast address prefixes. Neighbor configuration mode and VRF neighbor configuration mode. IP Version 4 (IPv4) unicast address prefixes. This chapter provides details of the commands used for configuringīorder Gateway Protocol (BGP) Route Reflector (RR).Īddress family configuration modes while configuring Border Gateway ProtocolĬommand in an appropriate configuration mode.