實(shí)驗(yàn)十四：Qos之端口優(yōu)先級(jí)設(shè)置

實(shí)驗(yàn)+:Qos之端口優(yōu)先級(jí)設(shè)置一、理論基礎(chǔ)端口優(yōu)先級(jí)是可以由管理員手工設(shè)置的。以太網(wǎng)交換機(jī)的端口支持8個(gè)優(yōu)先級(jí)。用戶(hù)可以根據(jù)需要設(shè)置端口的優(yōu)先級(jí)。默認(rèn)情況下，交換機(jī)將使用端口優(yōu)先級(jí)代替該端口接收?qǐng)?bào)文本身帶有的802.1p優(yōu)先級(jí)，從而控制報(bào)文可以享有的服務(wù)質(zhì)量。priority-level的取值范圍為0?7。缺省情況下，端口優(yōu)先級(jí)為0;對(duì)于接收的報(bào)文，交換機(jī)將使用報(bào)文接收端口的優(yōu)先級(jí)替換報(bào)文的802.1p優(yōu)先級(jí)。交換機(jī)的端口有4個(gè)輸出隊(duì)列，隊(duì)列ID分別為0、1、2、3。交換機(jī)支持根據(jù)報(bào)文的802.1p優(yōu)先級(jí)或者DSCP優(yōu)先級(jí)把報(bào)文放入這4個(gè)輸出隊(duì)列中。用戶(hù)可以通過(guò)配置來(lái)指定根據(jù)哪種優(yōu)先級(jí)將報(bào)文入隊(duì)列?？梢允褂孟旅娴拿顏?lái)指定將報(bào)文放入隊(duì)列時(shí)依據(jù)的優(yōu)先級(jí)。指定將報(bào)文放入隊(duì)列時(shí)依據(jù)的優(yōu)先級(jí)：priority-trust{cos|dscp}缺省情況下，交換機(jī)采用802.1p優(yōu)先級(jí)將報(bào)文放入相應(yīng)的輸出隊(duì)列中去。缺省情況下，交換機(jī)使用缺省的映射關(guān)系。表乳58口2.1P優(yōu)先級(jí)r擊地優(yōu)先級(jí)和阪列之間的缺省映射關(guān)系002.1pf/i先級(jí)本地優(yōu)先級(jí)阪列0211002.10：3314455366?亨773二、實(shí)驗(yàn)案例端口的優(yōu)先級(jí)的配置1、實(shí)驗(yàn)拓?fù)浣Y(jié)構(gòu)圖：2、配置說(shuō)明:交換機(jī)的E0/1的接口的優(yōu)先級(jí)別設(shè)置為1,速率為10Mbps（接PC1）E0/2的接口的速率為20Mbps（接server）E0/3的接口的優(yōu)先級(jí)別設(shè)置為7,速率為10Mbps（接PC2）3、具體配置:[Quidway]inte0/3[Quidway-Ethernet0/3]priority7[Quidway-Ethernet0/3]inte0/1[Quidway-Ethernet0/1]priority1[Quidway]undoport-prioritytrustdisable[Quidway]queue-schedulerwrr12331[Quidway]inte0/3[Quidway-Ethernet0/3]speed10[Quidway-Ethernet0/3]inte0/1[Quidway-Ethernet0/1]speed10[Quidway-Ethernet0/1]inte0/2[Quidway-Ethernet0/2]line-rateoutbound20[Quidway]priority-trustcos[Quidway]disqoscos-local-precedence-mapcos-local-precedence-map:cos:01234567local-precedence:201[Quidway]<Quidway>discursysnameQuidwayradiusschemesystemserver-typehuaweiprimaryauthentication127.0.0.11645primaryaccounting127.0.0.11646user-name-formatwithout-domaindomainsystemradius-schemesystemaccess-limitdisablestateactivevlan-assignment-modeintegeridle-cutdisableself-service-urldisablemessengertimedisabledomaindefaultenablesystemlocal-servernas-ip127.0.0.1keyhuaweiqueue-schedulerwrr12331vlan1vlan2vlan3interfaceAux0/0interfaceEthernet0/1speed10priority1interfaceEthernet0/2line-rateoutbound20interfaceEthernet0/3speed10priority7interfaceEthernet0/4interfaceEthernet0/5interfaceEthernet0/6interfaceEthernet0/7interfaceEthernet0/8interfaceNULL0user-interfaceaux0user-interfacevty04return三、