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場景描述: 一臺華為AR系列路由器(圖中R1),一臺H3C MSR系列路由器,

????????????????? 一臺H3C S5500 核心交換機.

?????????????????? AR路由器接入WAN1和WAN2兩條線路,H3C路由器接入WAN3線路無線網(wǎng)絡(luò)專用.

?????????????????? 內(nèi)網(wǎng)使用172.16.x.x/24 ; wifi 使用172.16.100.0/23?

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大致拓撲如下:

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要求:

????1. Wifi流量到核心后,經(jīng)過策略路由調(diào)度到Router2出口,且Wifi 能夠和內(nèi)部有線網(wǎng)絡(luò)實現(xiàn)互通.?????????

????2. Wifi下載單IP限速3Mbps

??? 3. Wifi專用線路出口擁塞后,在核心調(diào)度流量到Router2的WAN2出口

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?具體實現(xiàn):

????? 1. 核心策略路由:

#acl部分? acl?number?3000rule?0?permit?ip?source?172.16.100.0?0.0.1.255?destination?172.16.0.0?0.0.255.255?acl?number?3001rule?0?permit?ip?source?172.16.100.0?0.0.1.255?#Traffic分流? traffic?classifier?wifi01?operator?andif-match?acl?3000 traffic?classifier?wifi02?operator?andif-match?acl?3001traffic?behavior?wifi01filter?permit traffic?behavior?wifi02redirect?next-hop?172.16.253.2?fail-action?forward#定義Qos策略qos?policy?wificlassifier?wifi01?behavior?wifi01classifier?wifi02?behavior?wifi02#應(yīng)用Qos策略 qos?vlan-policy?wifi?vlan?100?inbound

?2. Wifi限速

???? 登錄Router2:

qos?carl?1?destination-ip-address?subnet?172.16.100.0?23?per-address #WAN3接入口 interface?GigabitEthernet0/0qos?car?inbound?carl?1?cir?3000?cbs?25000?ebs?0?green?pass?red

3. 主路由流量調(diào)度

#核心修改策略路由 acl?number?3000 rule?0?permit?ip?source?172.16.100.0?0.0.1.255?destination?172.16.0.0?0.0.255.255?#acl中將Wifi網(wǎng)段適當調(diào)小,通過掩碼控制 acl?number?3002description?wifi-temp01rule?0?permit?ip?source?172.16.100.0?0.0.0.255?traffic?classifier?wifi01?operator?andif-match?acl?3000 traffic?classifier?wifi-temp?operator?andif-match?acl?3002traffic?behavior?wifi01filter?permit traffic?behavior?wifi-tempredirect?next-hop?172.16.253.2?fail-action?forward#新的Qos策略 qos?policy?wifi-tempclassifier?wifi01?behavior?wifi01classifier?wifi-temp?behavior?wifi-temp #應(yīng)用新的Qos策略 qos?vlan-policy?wifi-temp?vlan?100?inbound#修改完核心策略路由,就可以將ACL中指定的wifi流量指定到Router1了,?但是Router1缺省出口路由為WAN1,而我們需要將流量導(dǎo)向到出口WAN2#acl定義 acl?number?2055??rule?0?permit?source?172.16.100.0?0.0.1.255#定義流類和行為 traffic?classifier?1?operator?orif-match?acl?2055traffic?behavior?1redirect?ip-nexthop?x.x.x.x(WAN2出口下一跳地址)#定義流策略 traffic?policy?1classifier?1?behavior?1#應(yīng)用流策略 #進入路由器內(nèi)網(wǎng)口 interface?GigabitEthernet?0/0/2 traffic-policy?1?inbound

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?這樣就可以根據(jù)各個出口擁塞情況隨意的進行流量調(diào)度了.

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