D-Link DXS-3600-EM-8T CLI Guide - Page 101
Address Family Configuration Mode IPv4 Unicast, VPNv4 and VRF.
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DXS-3600 Series 10GbE Layer 2/3 Switch CLI Reference Guide Parameters IP-ADDRESS PEER-GROUP-NAME receive send both Specifies the IP address of the BGP peer. Specifies the name of a Border Gateway Protocol (BGP) peer group. The maximum length is 16 characters. Specifies to enable the ORF capability in the receive mode. Specifies to enable the ORF capability in the send mode. Specifies to enable the ORF capabilities in both the receive and send modes. Default Command Mode Command Default Level Usage Guideline No ORF capabilities are advertised to a peer router. Router Configuration Mode. Address Family Configuration Mode (IPv4 Unicast, VPNv4 and VRF). Level: 8. (EI Mode Only Command) The BGP Outbound Route Filter (ORF) capability allows one BGP router to install its configured inbound prefix list filter on to the remote BGP router. This is used for reducing the amount of unwanted routing updates from the remote peer. When using this command, a BGP connection will be torn down, so the following log message will be generated. [BGP(2):] BGP connection is normally closed (Peer:) Where the is the address of the peer. After a while, the connection will be rebuilt, and the following log message will be generated. [BGP(1):] BGP connection is successfully established Peer: Where the is the address of the peer. Use the show ip bgp neighbors or show ip bgp peer-group command to verify your settings. Example The following example shows how to configure the router to advertise ORF. Assume there are two routers, R1 (10.90.90.90) and R2 (10.1.1.1). R2 has two BGP routes, 172.18.1.0/24 and 172.19.1.0/24. R1 only want to receive 172.18.0.0/16, and then it can notify to R2 its willingness though ORF. On router R1, configure an ip prefix-list named 'myorf' first. DXS-3600-32S#configure terminal DXS-3600-32S(config)#ip prefix-list myorf permit 172.18.0.0/16 le 32 DXS-3600-32S(config)# Example Then, set the routing policy to R2, and advertise the ORF to R2. DXS-3600-32S#configure terminal DXS-3600-32S(config)#router bgp 100 DXS-3600-32S(config-router)#neighbor 10.1.1.1 remote-as 1 DXS-3600-32S(config-router)#neighbor 10.1.1.1 prefix-list myorf in DXS-3600-32S(config-router)#neighbor 10.1.1.1 capability orf prefix-list send DXS-3600-32S(config-router)# Example On router R2, advertise its ORF capability in receive direction to R1. DXS-3600-32S#configure terminal DXS-3600-32S(config)#router bgp 101 DXS-3600-32S(config-router)#neighbor 10.90.90.90 remote-as 10 DXS-3600-32S(config-router)#neighbor 10.90.90.90 capability orf prefix-list receive DXS-3600-32S(config-router)# 93