Interview preparation for Network Engineers.

EtherChannel     EtherChannel – Table of Contents Introduction. Why do we need EtherChannel. EtherChannel Modes. PAGP & LACP Behavior Diagram . Show Commands.  Guidelines for using EtherChannel  .  Configuration Example. LAB (EtherChannel Between Switches). Differences Between PAGP & LACP. What is Cross-Stack Aggregation . Interview Questions asked from Network Engineers from Etherchannel. ·     Introduction :- EtherChannel → It is used to aggregate bandwidth b/w multiple L2/L3 interfaces. (backup) EtherChannel increases bandwidth & provides redundancy by aggregating individual links b/w switches. EtherChannel load balances traffic over all the links in the bundle. Up to 8 links can be used to combine into one logical link. EtherChannel can be configured as L2 / L3 . Port Channel is a logical instance of the physical interfaces.   ·     Why do we need Etherc...