vyos bgp config

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本文详细介绍了在VyOS 1.2.1版本中如何配置BGP路由策略，包括设置前缀列表、路由映射、邻居组以及优先级策略等关键步骤。通过具体实例展示了如何过滤特定网络前缀，并调整路由的本地优先级。

vyos 1.2.1 version:

BGP:

set policy prefix-list LanNet2BGPbgp description LanNet2BGPbgp_FilterLanNet
set policy prefix-list LanNet2BGPbgp rule 100 action 'permit'
set policy prefix-list LanNet2BGPbgp rule 100 description 'LanNet2BGPbgp'
set policy prefix-list LanNet2BGPbgp rule 100 le '32'
set policy prefix-list LanNet2BGPbgp rule 100 prefix '192.168.182.0/24'
set policy prefix-list LanNet2BGPbgp rule 101 action 'permit'
set policy prefix-list LanNet2BGPbgp rule 101 description 'LanNet2BGPbgp'
set policy prefix-list LanNet2BGPbgp rule 101 le '32'
set policy prefix-list LanNet2BGPbgp rule 101 prefix '192.168.183.0/24'

set policy route-map LanNet2BGPbgp description LanNet2BGPbgp_FilterLanNet
set policy route-map LanNet2BGPbgp rule 100 action 'permit'
set policy route-map LanNet2BGPbgp rule 100 match ip address prefix-list 'LanNet2BGPbgp'
set policy route-map LanNet2BGPbgp rule 999 action 'deny'

set policy route-map FORBGPbgpPri1 description ForBGPbgpUsing
set policy route-map FORBGPbgpPri1 rule 100 action 'permit'
set policy route-map FORBGPbgpPri1 rule 100 description 'MAIN'
set policy route-map FORBGPbgpPri1 rule 100 match peer '10.10.118.41'
set policy route-map FORBGPbgpPri1 rule 100 set ip-next-hop '10.10.118.41'
set policy route-map FORBGPbgpPri1 rule 100 set local-preference '150'
set policy route-map FORBGPbgpPri2 rule 100 action 'permit'
set policy route-map FORBGPbgpPri2 rule 100 description 'BK'
set policy route-map FORBGPbgpPri2 rule 100 match peer '10.10.172.169'
set policy route-map FORBGPbgpPri2 rule 100 set ip-next-hop '10.10.172.169'
set policy route-map FORBGPbgpPri2 rule 100 set local-preference '50'

set protocols bgp 65222 address-family ipv4-unicast redistribute connected route-map 'LanNet2BGPbgp'
set protocols bgp 65222 address-family ipv4-unicast redistribute static route-map 'LanNet2BGPbgp'
set protocols bgp 65222 neighbor 10.10.118.41 peer-group 'VRRMIAN'
set protocols bgp 65222 peer-group VRRMIAN address-family ipv4-unicast route-map import 'FORBGPbgpPri1'
set protocols bgp 65222 peer-group VRRMIAN address-family ipv4-unicast soft-reconfiguration inbound
set protocols bgp 65222 peer-group VRRMIAN remote-as '65106'
set protocols bgp 65222 peer-group VRRMIAN update-source '10.10.118.42'
set protocols bgp 65222 neighbor 10.10.172.169 peer-group 'VRRBK'
set protocols bgp 65222 peer-group VRRBK address-family ipv4-unicast route-map import 'FORBGPbgpPri2'
set protocols bgp 65222 peer-group VRRBK address-family ipv4-unicast soft-reconfiguration inbound
set protocols bgp 65222 peer-group VRRBK remote-as '65110'
set protocols bgp 65222 peer-group VRRBK update-source '10.10.172.170'