本例中才用LLQ来实现Video的QoS 中心点 : Router 1(7507) In between router : Router 2(3640) Remote side : Router 3(2620)
中心点: Router 1
class-map match-all OFIS_TO_MCU match access-group 100 class-map match-all MCU_TO_OFIS match access-group 101 ! policy-map TO_MCU //定义LLQ策略 class OFIS_TO_MCU priority 1518 //定义为Video预留的带宽，注意要在视频带宽基础上加上25%的开销 set ip precedence 5 class class-default fair-queue policy-map TO_OFIS class MCU_TO_OFIS priority 1518 set ip precedence 5 class class-default fair-queue ! interface FastEthernet1/0/0 no ip address no ip route-cache distributed full-duplex ! interface FastEthernet1/0/0.1 deion HQ1 LAN encapsulation dot1Q 1 ip address 129.2.80.21 255.255.0.0 service-policy output TO_MCU //在接口下应用策略 ! interface Serial1/0/0 deion Router 1 to ROUTER 2 ip address 206.141.24.1 255.255.255.0 ip route-cache policy no ip route-cache distributed service-policy output TO_OFIS ! access-list 100 permit ip host 141.2.20.20 host 129.2.20.34 precedence critical//通过ACL匹配来激活策略 access-list 101 permit ip host 129.2.20.34 host 141.2.20.20 precedence critical !
class-map OFIS_TO_MCU match access-group 100 class-map MCU_TO_OFIS match access-group 101 ! ! policy-map TO_MCU class OFIS_TO_MCU priority 1518 class class-default fair-queue policy-map TO_OFIS class MCU_TO_OFIS priority 1518 class class-default fair-queue
! interface Serial2/0 deion Router 2 to Router 1 bandwidth 2048 ip address 206.141.24.2 255.255.255.0 no ip directed-broadcast ip route-cache policy no ip mroute-cache service-policy output TO_MCU
! interface Serial2/1 deion Router 2 to Router 3 bandwidth 2048 ip address 218.141.2.1 255.255.255.0 no ip directed-broadcast ip route-cache policy service-policy output TO_OFIS ! access-list 100 permit ip host 141.2.20.20 host 129.2.20.34 precedence critical access-list 101 permit ip host 129.2.20.34 host 141.2.20.20 precedence critical
class-map OFIS_TO_MCU match access-group 100 class-map MCU_TO_OFIS match access-group 101 ! ! policy-map TO_MCU class OFIS_TO_MCU priority 1518 class class-default fair-queue policy-map TO_OFIS class MCU_TO_OFIS priority 1518 class class-default fair-queue ! interface FastEthernet0/0 ip address 141.2.81.20 255.255.0.0 no ip directed-broadcast ip route-cache policy speed 100 full-duplex ! interface Serial0/0 deion Router 3 To Router 2 bandwidth 2048 ip address 218.141.2.2 255.255.255.0 no ip directed-broadcast ip route-cache policy no ip mroute-cache service-policy output TO_MCU ! access-list 100 permit ip host 141.2.20.20 host 129.2.20.34 precedence critical access-list 101 permit ip host 129.2.20.34 host 141.2.20.20 precedence critical
