cisco端口聚合.doc

思科2950-48端口汇聚实例发布: 2009-10-30 21:51 | 作者: 无忧 | 来源: 无忧网客联盟主站port-channel2950-48,怎样做端口汇聚.PS:划分了VLAN.interface FastEthernet0/1switchport mode trunk !- Configured port to be in trunking mode.channel-group 1 mode on !- Assigned port to port channel 1.!- 2950 switches only support 802.1q encapsulation, which is the configured automatically!- when trunking is enabled on the interface by issuing the switchport mode trunk command.!- Note: The channel-group command is introduced in IOS 12.1. IOS 12.0 has the port group command!- to configure channeling.!interface FastEthernet0/2switchport mode trunkchannel-group 1 mode on !- Assigned port to port channel 1.!interface FastEthernet0/3switchport mode trunkchannel-group 1 mode on !- Assigned port to port channel 1.!interface FastEthernet0/4switchport mode trunk channel-group 1 mode on !- Assigned port to port channel 1.补充一下interface Port-channel1 switchport mode trunk二层交换机2950实验5-cisco 2950 端口聚合例子2010-01-20 11:39二层交换机2950实验5-cisco 2950 端口聚合例子端口聚合的作用： 把几个端口绑定起到增加带宽的作用（必须两必设定一样且是成结的绑定），如把二个100m的端品设定为端口聚合，那么二个交换机交换数据就可以达到200M. 重点： 1.fa 0/1、fa 0/2与另一部交换机的fa 0/1、fa 0/2组成端口聚合，设定为channel-group 1,如果fa0/1网络断掉时，fa0/2这根线是不会自己动连接上去的，这时端口聚合只是增加带宽，不会起到备用线路的作用 2.fa 0/1、fa 0/2与另一部交换机的fa 0/1、fa 0/2组成端口聚合，设定为channel-group 1,fa 0/3、fa 0/4与另一部交换机的fa 0/3、fa 0/4组成端口聚合，设定为channel-group 2,如果channel-group 1这二根线断掉时，channel-group 2会自己连接上去，即起到增加带宽，又起到备用线路的作用。 3.第一交换机的具体配置，第二个交换机例同： Switch(config)#interface fa0/1 Switch(config-if)#speed 100 Switch(config-if)#duplex full Switch(config)#interface fa0/2 Switch(config-if)#speed 100 Switch(config-if)#duplex full Switch(config)#interface range fa0/1 -2 -range为同时配置二个以上的接口 Switch(config-if-range)#channel-group 1 mode desirable -封装为自动协商模式 Switch(config-if-range)#switchport mode trunk Switch(config-if-range)#switchport trunk allowed vlan all-允许所以vlan通过 Switch(config)#interface fa0/3 Switch(config-if)#speed 100 Switch(config-if)#duplex full Switch(config)#interface fa0/4 Switch(config-if)#speed 100 Switch(config-if)#duplex full Switch(config)#interface range fa0/3 -4 -range为同时配置二个以上的接口 Switch(config-if-range)#channel-group 2 mode desirable -封装为自动协商模式 Switch(config-if-range)#switchport mode trunk Switch(config-if-range)#switchport trunk allowed vlan all-允许所以vlan通过 注： （2950交换机没有encapsulation加密，打en dot1q会出错 Switch(config-if-range)#switchport trunk encap ? % Unrecognized command）使用的命令是：show etherchannel summary -看端口汇聚状态 SD表示关闭，SU表示打开- Switch#show etherchannel summaryFlags: D - down P - in port-channel I - stand-alone s - suspended H - Hot-standby (LACP only) R - Layer3 S - Layer2 U - in use f - failed to allocate aggregator u - unsuitable for bundling w - waiting to be aggregated d - default portNumber of channel-groups in use: 2Number of aggregators: 2Group Port-channel Protocol Ports-+-+-+-1 Po1(SD) PAgP Fa0/1(D) Fa0/2(D) 2 Po2(SU) PAgP Fa0/23(P) Fa0/24(P)R1#vlan database R1(vlan)#vlan 2 R1(vlan)#exit R1#configure terminal R1(config)#int range fastethernet 0/1 - 4 R1(config-int-range)#switchport access vlan 2 R1(config-int-range)#channel-group 1 mode on R2#vlan database R2(vlan)#vlan 2 R2(vla