CISCO交换机端口汇聚.ppt

端口汇聚 EtherChannel 同类链路聚合 视为一个逻辑端口 交换层负载均衡 线路冗余 Configuring EtherChannel Verifying EtherChannel Verifying EtherChannel (Cont.) Port and Link Aggregation 通过数据包的交换，迅速的完成快速以太通道的自动建立,动态的学习相邻交换机和它们的成组能力，并告知相邻交换机自己的成组。 Port Aggregation Protocol (PAgP) Cisco私有协议 Link Aggregation Control Protocol (LACP) Defined in IEEE 802.3ad Configuring PAgP and LACP Verifying PAgP and LACP Configuring EtherChannel Load Balancing EtherChannel使用指导 通道中所有端口分配到同一VLAN，或将他们配置成TRUNK 如配置成TRUNK,则要求两端干道模式相同. 通道中所有端口使用同一速率和双工模式 如端口配置成TRUNK，所有端口允许的VLAN范围必须相同。 不要将通道中的端口配置成动态VLAN端口，这样会严重影响交换机性能 * ? All Rights Reserved, Copyright 2003, Advanced Digital Technology CO.,Ltd Switch(config)#interface port-channel port-channel-number Creates a port-channel interface Switch(config-if)#ip address address mask Assigns an IP address and subnet mask to the EtherChannel Switch(config-if)#channel-group number mode {auto | desirable | on} Configures the interface in a port-channel and specifies the PAgP mode Switch(config)#interface interface slot/port Specifies an interface to configure Switch#show running-config interface port-channel num Displays port-channel information Switch#show run interface port-channel 1 Building configuration...Current configuration:!interface Port-channel1no ip addressno ip directed-broadcastend Switch#show running-config interface interface x/y Displays interface information Switch#show run interface gig 0/9Building configuration... Current configuration: ! interface GigabitEthernet 0/9 no ip addresschannel-group 1 mode desirableend Switch#show etherchannel num port-channel Displays port-channel information after configuration Switch#show etherchannel 1 port-channel Port-channels in the group: ---------------------- Port-channel: Po1 ------------ Age of the Port-channel = 01d:01h:31m:38s Logical slot/port = 1/0 Number of ports = 2 GC = 0 HotStandBy port = null Port state = Port-