[Typical configuration] AR18 Broadband Router NAT + QoS typical application and configuration

Application description
Purpose: Enable NAT and QOS at the same time on AR1830. The data stream sent from PC1 is defined as 5 with a Gold priority. at least 50% of the ADSL bandwidth must be guaranteed; data Streams sent from PC2 are defined as multimedia (priority 3). At least 20% of the ADSL bandwidth must be guaranteed; Network Management (Priority 7) must ensure 10% of the bandwidth, but when the network is not busy,
Each data stream can exceed the bandwidth defined by itself.

Implementation: The first step is to identify Gold and Multimedia on the Ethernet portal and set IP-precedence. for network management traffic, configure classifier to match data packets whose source address is Lo0 port, configure the car in the upstream port (adsl port) to set IP-precedence, and configure the EF queue to ensure priority forwarding. For the Multimedia and gold streams with IP-precedence typed at the Ethernet entry, make an AF queue on the uplink port to ensure bandwidth. Note that only the percentage bandwidth can be configured on the outbound interface, or only the specified digital bandwidth can be configured, you cannot configure the bandwidth as a percentage or 25%/25%/16 K as required by the customer. Therefore, you need to know the uplink bandwidth in advance and then calculate it by yourself, check whether the bandwidth is configured as a percentage or a digital bandwidth.

In addition, the QoS bandwidth of the ADSL interface is 640bps according to international standards.

Networking Diagram

Notes
1. QoS CBQ can only be applied to the PVC of the ATM interface and cannot be used directly on the ATM interface or Dialer port;
Detailed Configuration
AR18-30PPPoE Client) Configuration:

discur #　 sysnameRouter #　 dialer-rule1ippermit #　 trafficclassifiergoldoperatorand if-matchip-precedence5　 trafficclassifiersnmpoperatorand if-matchacl3003　 trafficclassifiermultimediaoperatorand　 if-matchip-precedence3　 #　 trafficbehaviorgold　 　queueafbandwidthpct50 trafficbehaviorsnmp　 　queueafbandwidthpct10 trafficbehaviormultimedia 　queueafbandwidthpct20 #　 qospolicypolicy1　 classifiermultimediabehaviormultimedia　 classifiergoldbehaviorgold　 classifiersnmpbehaviorsnmp　 #　 interfaceDialer1　 link-protocolppp　 mtu1450　 ipaddressppp-negotiate　 dialerusertest　 dialer-group1 dialerbundle1 natoutbound3000　 #　 interfaceEthernet1/0　 ipaddress202.150.1.31255.255.255.0　 qoscarinboundacl3001cir100000000cbs100000000ebs0greenremark-prec-pa ss5redremark-prec-pass5 qoscarinboundacl3002cir100000000cbs100000000ebs0greenremark-prec-pa ss3redremark-prec-pass3 #　 interfaceAtm2/0 pvc4/33　 　mapbridgeVirtual-Ethernet1　 　qosreserved-bandwidthpct100 　qosapplypolicypolicy1outbound qoscaroutboundacl3003cir16000cbs15000ebs0greenremark-prec-pass7re dremark-prec-pass7 #　 interfaceVirtual-Ethernet1 pppoe-clientdial-bundle-number1　 #　 interfaceNULL0 #　 interfaceLoopBack0 ipaddress202.150.10.1255.255.255.255 #　 aclnumber3000 rule0permitipsource202.150.1.00.0.0.255　 rule1denyip aclnumber3001 rule0permitipsource202.150.1.10　 aclnumber3002 rule0permitipsource202.150.1.20　 aclnumber3003 rule0permitipsource202.150.10.10 #　 iproute-static0.0.0.00.0.0.0Dialer1preference60 #　 user-interfacecon0 idle-timeout00　 user-interfacevty04　 authentication-modenone　 userprivilegelevel3 #　 return　 AR4640PPPoEServer) Configuration: discur #　 sysnameAR46-40 #　 local-usertestpasswordsimpletest　 #　 ippool143202.143.1.100202.143.1.200 #　 interfaceVirtual-Template33 pppauthentication-modepapschemedefault pppaccountingschemedefault ipaddress202.143.1.46255.255.255.0　 remoteaddresspool143　 #　 interfaceAux0　 asyncmodeflow

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