以太网端口聚合+RSTP配置拓扑图功能要求：通过在网络中配置RSTP功能，实现消除网络环路的目的，当RSTP的根桥DOWN掉后，可以通过非根桥正常通信，达到根桥和备用根桥的切换，某个链路DOWN后，可以通过将某个阻塞端口恢复为根端口或转发端口，以实现正常的数据通信，当聚合链路中的某个链路DOWN掉后，不会影响正常的通信配置过程：S5700-LSW1[Huawei]DIS CU#sysname Huawei#vlan batch 10 20#stp mode rstp#cluster enablentdp enablendp enable#drop illegal-mac alarm#diffserv domain default#drop-profile default#aaaauthentication-scheme default authorization-scheme default accounting-scheme defaultdomain defaultdomain default_adminlocal-user admin password simple admin local-user admin service-type http#interface Vlanif1#interface MEth0/0/1#interface GigabitEthernet0/0/1port link-type trunkport trunk allow-pass vlan 10 20#interface GigabitEthernet0/0/2port link-type trunkport trunk allow-pass vlan 10 20#interface GigabitEthernet0/0/3port link-type accessport default vlan 10stp disable#interface GigabitEthernet0/0/4port link-type accessport default vlan 20stp disable#interface GigabitEthernet0/0/5#interface GigabitEthernet0/0/6#interface GigabitEthernet0/0/7#interface GigabitEthernet0/0/8#interface GigabitEthernet0/0/9#interface GigabitEthernet0/0/10 #interface GigabitEthernet0/0/11 #interface GigabitEthernet0/0/12 #interface GigabitEthernet0/0/13 #interface GigabitEthernet0/0/14 #interface GigabitEthernet0/0/15 #interface GigabitEthernet0/0/16 #interface GigabitEthernet0/0/17 #interface GigabitEthernet0/0/18 #interface GigabitEthernet0/0/19 #interface GigabitEthernet0/0/20 #interface GigabitEthernet0/0/21 #interface GigabitEthernet0/0/22 #interface GigabitEthernet0/0/23 #interface GigabitEthernet0/0/24 #interface NULL0#user-interface con 0user-interface vty 0 4#ReturnS5700-LSW2#sysname Huawei#vlan batch 10 20#stp mode rstpstp instance 0 root primary#cluster enablentdp enablendp enable#drop illegal-mac alarm#diffserv domain default#drop-profile default#aaaauthentication-scheme default authorization-scheme default accounting-scheme defaultdomain defaultdomain default_adminlocal-user admin password simple admin local-user admin service-type http#interface Vlanif1#interface Vlanif10ip address 10.0.0.1 255.255.255.0#interface Vlanif20ip address 20.0.0.1 255.255.255.0#interface MEth0/0/1#interface Eth-Trunk1port link-type trunkport trunk allow-pass vlan 10 20#interface GigabitEthernet0/0/1port link-type trunkport trunk allow-pass vlan 10 20#interface GigabitEthernet0/0/2#i nterface GigabitEthernet0/0/3eth-trunk 1#interface GigabitEthernet0/0/4 #interface GigabitEthernet0/0/5 eth-trunk 1#interface GigabitEthernet0/0/6 #interface GigabitEthernet0/0/7 #interface GigabitEthernet0/0/8 #interface GigabitEthernet0/0/9 #interface GigabitEthernet0/0/10 #interface GigabitEthernet0/0/11 #interface GigabitEthernet0/0/12 #interface GigabitEthernet0/0/13 #interface GigabitEthernet0/0/14 #interface GigabitEthernet0/0/15 #interface GigabitEthernet0/0/16 #interface GigabitEthernet0/0/17 #interface GigabitEthernet0/0/18 #interface GigabitEthernet0/0/19 #interface GigabitEthernet0/0/20 #interface GigabitEthernet0/0/21 #interface GigabitEthernet0/0/22 #interface GigabitEthernet0/0/23 #interface GigabitEthernet0/0/24interface NULL0#user-interface con 0user-interface vty 0 4#ReturnS5700-LSW3[Huawei]dis cu#sysname Huawei#vlan batch 10 20#stp mode rstpstp instance 0 root secondary#cluster enablentdp enablendp enable#drop illegal-mac alarm#diffserv domain default#drop-profile default#aaaauthentication-scheme default authorization-scheme default accounting-scheme defaultdomain defaultdomain default_adminlocal-user admin password simple admin local-user admin service-type http#interface Vlanif1#interface Vlanif10ip address 10.0.0.3 255.255.255.0#interface Vlanif20ip address 20.0.0.3 255.255.255.0interface MEth0/0/1#interface Eth-Trunk1port link-type trunkport trunk allow-pass vlan 10 20 #interface GigabitEthernet0/0/1#interface GigabitEthernet0/0/2 port link-type trunkport trunk allow-pass vlan 10 20 #interface GigabitEthernet0/0/3 eth-trunk 1#interface GigabitEthernet0/0/4#interface GigabitEthernet0/0/5 eth-trunk 1#interface GigabitEthernet0/0/6#interface GigabitEthernet0/0/7#interface GigabitEthernet0/0/8#interface GigabitEthernet0/0/9#interface GigabitEthernet0/0/10#interface GigabitEthernet0/0/11#interface GigabitEthernet0/0/12#interface GigabitEthernet0/0/13#interface GigabitEthernet0/0/14#interface GigabitEthernet0/0/15#interface GigabitEthernet0/0/16#interface GigabitEthernet0/0/17interface GigabitEthernet0/0/18#interface GigabitEthernet0/0/19#interface GigabitEthernet0/0/20#interface GigabitEthernet0/0/21#interface GigabitEthernet0/0/22#interface GigabitEthernet0/0/23#interface GigabitEthernet0/0/24#interface NULL0#user-interface con 0user-interface vty 0 4#Return测试：把S5700-LSW2上的端口G0/0/3 DOWN掉后，用户可以正常通信[Huawei]dis eth-trunk 1Eth-Trunk1's state information is:WorkingMode: NORMAL Hash arithmetic: According to SIP-XOR-DIP Least Active-linknumber: 1 Max Bandwidth-affected-linknumber: 8Operate status: up Number Of Up Port In Trunk: 1--------------------------------------------------------------------------------PortName Status WeightGigabitEthernet0/0/3 Down 1GigabitEthernet0/0/5 Up 1在S5700-LSW1上将根端口g0/0/1 DOWN后，阻塞端口g0/0/2正常切换成根端口接受和发送报文，[Huawei]dis stpJan 3 2013 13:23:07-08:00 Huawei DS/4/DATASYNC_CFGCHANGE:OID 1.3.6.1.4.1.2011.5.25.191.3.1 configurations have been changed. The current change number is 6, the change loop count is 0, and the maximum number of records is 4095.briMSTID Port Role STP State Protection0 GigabitEthernet0/0/2 ROOT FORW ARDING NONE客户端也可以正常访问S5700-LSW2上的10.0.0.1和S5700-LSW3上的10.0.0.3在客户端2上也可以正常访问S5700-LSW2和S5700-LSW3上的端口地址。