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关于7206VXR路由器上如何防范BT

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2016-06-07 15:06:491485browse

首先 路由器 的IOS版本满足条件(12.2(5)T以上) 有几种方式: 1、 对于BT完全限制 ( 见下例policy-map XX的不同部分)(采用NBAR) 2、 对于BT的速率进行限制(见下例policy-map XX的不同部分)(采用NBAR) 3、 通过优先级队列完成 一、有地址转换的情况:

首先路由器的IOS版本满足条件(12.2(5)T以上)

有几种方式:

1、 对于BT完全限制 ( 见下例policy-map XX的不同部分)(采用NBAR)

2、 对于BT的速率进行限制(见下例policy-map XX的不同部分)(采用NBAR)

3、 通过优先级队列完成

一、有地址转换的情况:

ip nbar pdlm bootflash:bittorrent.pdlm (必须先启动)

class-map match-all bt

match protocol bittorrent

!

!

policy-map bt1 (完全丢弃)

class bt

drop

policy-map bt2 (速率限制)

class bt

police cir 50000

conform-action transmit

exceed-action drop

policy-map bt3 (速率限制)

class bt

police cir 300000

conform-action transmit

exceed-action drop

interface FastEthernet0/0

ip address 192.168.34.240 255.255.255.0

ip nat outside

ip virtual-reassembly

service-policy input bt3 (下载限制)

service-policy output bt2 (上传限制)

duplex full

!

interface FastEthernet1/0

ip address 192.168.101.1 255.255.255.0

ip nat inside

ip virtual-reassembly

duplex full

!

ip classless

ip route 0.0.0.0 0.0.0.0 192.168.34.1

!

no ip http server

!

ip nat pool pool1 192.168.34.240 192.168.34.240 netmask 255.255.255.0

ip nat inside source list 1 pool pool1 overload

!

access-list 1 permit any

二、没有地址转换:

ip nbar pdlm bootflash:/bittorrent.pdlm

class-map match-all bt

match protocol bittorrent

!

!

policy-map bt2

class bt

police cir 160000

conform-action transmit

exceed-action drop

policy-map bt3

class bt

police cir 240000 bc 60000 pir 350000

conform-action transmit

exceed-action drop

policy-map bt1

class bt

drop

!

!

!

!

interface Loopback0

no ip address

no ip route-cache

!

interface FastEthernet0/0

ip address 192.168.101.1 255.255.255.0



duplex full

!

interface FastEthernet1/0

ip address 192.168.102.254 255.255.255.0

service-policy input bt3

service-policy output bt2

ip route-cache policy

duplex full

!

ip classless

ip route 0.0.0.0 0.0.0.0 192.168.102.1
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