![图片[1]-3.6 BGP手动汇总-大赛人网](https://www.dsrw.com/wp-content/uploads/2023/03/图片14-19-1024x331.png)
1.关闭自动汇总,采用宣告方式引入路由,查看R3的BGP路由
[R3-bgp]undo summary automatic
[R3-bgp]undo import-route direct
[R3-bgp]network 3.3.1.1 32
[R3-bgp]network 3.3.2.1 32
[R3-bgp]network 3.3.3.3 32
[R3]display bgp routing-table
*> 3.3.1.1/32 0.0.0.0 0 0 i
*> 3.3.2.1/32 0.0.0.0 0 0 i
*> 3.3.3.3/32 0.0.0.0 0 0 i
2.R3手动方式汇总地址,R1查看BGP路由
[R3-bgp]aggregate 3.3.0.0 16
[R3]display bgp routing-table
*>i 3.3.0.0/16 2.2.2.2 100 0 300i
*>i 3.3.1.1/32 2.2.2.2 0 100 0 300i
*>i 3.3.2.1/32 2.2.2.2 0 100 0 300i
*>i 3.3.3.3/32 2.2.2.2 0 100 0 300i
3.R3手动方式汇总地址,增加抑制明细路由参数,R1查看BGP路由
[R3-bgp]aggregate 3.3.0.0 16 detail-suppressed
[R1]display bgp routing-table
*>i 3.3.0.0/16 2.2.2.2 100 0 300i
4.R3手动方式汇总地址,增加抑制明细路由参数,抑制部分路由,R1查看BGP路由
[R3]ip ip-prefix dsrw.com permit 3.3.1.1 32
[R3]ip ip-prefix dsrw.com permit 3.3.2.1 32
[R3]route-policy dsrw permit node 10
[R3-route-policy]if-match ip-prefix dsrw.com
[R3]bgp 300
[R3-bgp]aggregate 3.3.0.0 16 suppress-policy dsrw
<R1>display bgp routing-table
*>i 3.3.0.0/16 2.2.2.2 100 0 300i
*>i 3.3.3.3/32 2.2.2.2 0 100 0 300i
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