What you mean by Ether Channel and the basic config in the Cisco switch?

EtherChannel is a port link aggregation technology or port-channel architecture used primarily on Cisco switches. It allows grouping of several physical Ethernet links to create one logical Ethernet link for the purpose of providing fault-tolerance and high-speed links between switches, routers and servers. An EtherChannel can be created from between two and eight active Fast, Gigabit or10-Gigabit Ethernet ports, with an additional one to eight inactive (failover) ports which become active as the other active ports fail. EtherChannel is primarily used in the backbone network, but can also be used to connect end user machines.

EtherChannel is a way to bundel more than one port in a channel to increase the bandwith and provide redundancy,

Ether channel is a switching techonology where we aggregate multipal physical links and viewed as one logical link.

In HP terminilogy ether channel is called Trunk.

(config)# int range Fa0/1 -2

(config)# speed100

(config)# switchport trunk encapsulation dot1q

(config)#switchport mode trunk

(config)#switchport trunk allowed vlan5 -10

(config)#channel-protocol pagp

(config)#channel-group1 mode desirable

Same configuration on other switch

# show etherchannel summary

Do not use Auto/Auto or Passive/Passive on both side b/c ether channel wont work by using this.

PAGP is cisco proprietary Protocol and LACP is a IEEE standard Protocol.

We can make only maximum64 ether channel not more then this

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