目录
ip prefix-list命令详解 route-map
ip prefix-list test1 seq 5 permit 192.168.1.0/24
ip prefix-list test2 seq 5 deny 119.0.0.0/8
ip prefix-list test2 seq 10 permit 0.0.0.0/0 le 32
ip prefix-list test3 seq 5 permit 0.0.0.0/0
ip prefix-list test4 seq 5 deny 0.0.0.0/0
ip prefix-list test4 seq 10 permit 0.0.0.0/0 le 32
ip prefix-list test5 seq 5 permit 172.16.0.0/16 le 32
10.2.8.32/27 10.2.8.32/28 10.2.8.32/29 10.2.8.32/30
ip prefix-list test6 seq 5 permit 10.2.8.32/27 le 30
Permits 197.25.94.128/25 Denies 197.25.94.192/26 Permits 197.25.94.224/27 Denies 197.25.94.240/28 Permits 197.25.94.248/29 Denies 197.25.94.252/30 Permits all other prefixes, except for 198.82.0.0/16
ip prefix-list test7 seq 5 deny 197.25.94.192/26
ip prefix-list test7 seq 10 deny 197.25.94.240/28
ip prefix-list test7 seq 15 deny 197.25.94.252/30
ip prefix-list test7 seq 20 deny 198.82.0.0/16
ip prefix-list test7 seq 25 permit 0.0.0.0/0 le 32
ip prefix-list test8 seq 5 permit 175.29.64.0/20 ge 26 le 29
ip prefix-list test9 seq 5 deny 15.26.96.0/19 le 32
ip prefix-list test9 seq 10 permit 0.0.0.0/0 le 32
ip prefix-list test10 seq 5 deny 10.0.0.0/8 le 32
ip prefix-list test10 seq 10 deny 172.16.0.0/12 le 32
ip prefix-list test10 seq 15 deny 192.168.0.0/16 le 32
ip prefix-list test10 seq 20 permit 0.0.0.0/0 le 32
ip prefix-list test11 seq 5 permit 15.0.0.0/8 ge 9
To place it in service: router bgp 65011 neighbor 1.2.3.4 prefix-list test11 in
ip prefix-list test12 seq 5 permit 162.56.209.208/29
ip prefix-list test12 seq 10 deny 162.56.0.0/16 le 32
ip prefix-list test12 seq 15 permit 0.0.0.0/0 le 32
To place it in service: router bgp 65012 neighbor 5.6.7.8 prefix-list test12 out
ip prefix-list test13 seq 5 permit 200.202.160.0/19
To place it in service: router bgp 65013 neighbor Lucky_13 prefix-list test13 in
ip prefix-list test14 seq 5 deny 96.0.0.0/4 le 32
ip prefix-list test14 seq 10 permit 0.0.0.0/0 le 32
ip prefix-list test15 seq 5 permit 64.82.100.67/32
ip prefix-list test16 seq 5 permit 0.0.0.0/1 ge 8 le 32
ip prefix-list test16 seq 10 permit 128.0.0.0/2 ge 16 le 32
ip prefix-list test16 seq 15 permit 192.0.0.0/3 ge 24 le 32
ip prefix-list test17 seq 5 deny 0.0.0.0/1 le 7
ip prefix-list test17 seq 10 deny 128.0.0.0/2 le 15
ip prefix-list test17 seq 15 deny 192.0.0.0/3 le 23
ip prefix-list test17 seq 20 permit 0.0.0.0/0 le 32
ip prefix-list test18 seq 5 permit 0.0.0.0/1 ge 9
ip prefix-list test18 seq 10 permit 128.0.0.0/2 ge 17
ip prefix-list test18 seq 15 permit 192.0.0.0/3 ge 25
ip prefix-list test19 seq 5 deny 0.0.0.0/0
ip prefix-list test19 seq 10 permit 0.0.0.0/0 le 19
ip prefix-list test20 seq 5 permit 10.0.0.0/8 le 32
ip prefix-list test20 seq 10 permit 172.16.0.0/12 le 32
ip prefix-list test20 seq 15 permit 192.168.0.0/16 le 32
To place it in effect for outbound RIP updates: router rip distribute-list prefix test20 out
<Route-Map> 也叫路由图或者路由映射表,是对路由进行加工处理的工具。
1、route-map可以调用ACL或prefix抓出一部分路由进行加工处理 2、每一个route-map可以有多条语句,每条语句都有一个序号 3、每条语句都有两种动作:match 和 set 4、每条语句对抓出来的路由都有两种处理方式:permit 或 deny
route-map的使用分三步操作:
1、定义ACL或prefix抓出路由(定义感兴趣流量) 2、定义route-map说明对匹配的路由所采取的处理方式 3、调用route-map //route-map只是一个策略的工具,不调用是没有作用的.
route-map的匹配逻辑:
route-map NAME permit 10
match ip address x y z
——-> OR
match ip address a ¦
match ip address b ¦ AND
match ip address c ↓
如不写match/set,默认: match any
set nothing