H3C BGP-filter-policy

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[R1-bgp]display bgp routing-table

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?Total Number of Routes: 4

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?BGP Local router ID is 1.1.1.1

?Status codes: * - valid,> - best,d - damped,

???????? ??????h - history,? i - internal,s - suppressed,S - Stale

?????????????? Origin : i - IGP,e - EGP,? - incomplete

???? Network??????????? NextHop???????? MED??????? LocPrf???? PrefVal Path/Ogn

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?*>? 1.1.1.1/32???????? 0.0.0.0???????? 0????????????????? ???0?????? i

?*>? 2.2.2.2/32???????? 192.168.1.2???? 0???????????????????? 0?????? 200i

?*>? 3.3.3.3/32???????? 192.168.1.2?????????????????????????? 0?????? 200i

?*>? 172.16.1.1/32????? 192.168.1.2?????????????????????????? 0?????? 200i

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[R1]bgp 100

[R1-bgp]filter-policy ip-prefix 1 import

[R1]ip ip-prefix 1 index 10 deny 3.3.3.3 32

[R1]ip ip-prefix 1 此处还要一个命令，相当与允许所有。下面有！！

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[R1]display bgp routing-table?????????????

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?Total Number of Routes: 1

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?BGP Local router ID is 1.1.1.1

?Status codes: * - valid,

?????????????? h - history,? - incomplete

???? Network??????????? NextHop???????? MED??????? LocPrf???? PrefVal Path/Ogn

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?*> ?1.1.1.1/32??????? ?0.0.0.0???????? 0???????????????????? 0?????? i

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为什么只拒绝了3.3.3.3的，2.2.2.2和172.16.1.1的也被拒绝了呢？

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下面两个命令是一样的！我用的上面的命令！

[R1]ip ip-prefix 1 permit 0.0.0.0 0 greater-equal 0 less-equal 32

[R1]ip ip-prefix 1 index 20 permit 0.0.0.0 0 greater-equal 0 less-equal 32