Day 23 | EtherChannel

What does LAG (EtherChannel) stand for?

Link Aggregation Group

What are the 6 EtherChannel load-balancing methods? (not including TCP/IP port numbers)

Source MAC

Destination MAC

Source/Destination MAC

Source IP

Destination IP

Source/Destination IP

"View the current EtherChannel load-balancing method on the switch: SW1# […]"

show etherchannel load-balance

"Configure the EtherChannel load-balancing method on the switch: SW1(config)# […]"

port-channel load-balance method

What does PAgP stand for?

Port Aggregation Protocol

What does LACP stand for?

Link Aggregation Control Protocol

Which method of EtherChannel configuration uses a Cisco proprietary protocol?

PAgP

Which method of EtherChannel configuration uses an industry standard protocol?

LACP

LACP is IEEE […]

802.3ad

How many interfaces can be active in an EtherChannel?

8

Which EtherChannel protocol allows up to 8 active interfaces and up to 8 standby interfaces?

LACP

The EtherChannel channel-group number [does/doesn't] have to match the number on the neighbor switch.

doesn't

Which two EtherChannel modes does PAgP use?

Desirable, Auto

Which two EtherChannel modes does LACP use?

Active, Passive

"Configure an interface to join an EtherChannel SW1(config-if)# […]"

channel-group number mode mode

"Configure static EtherChannel: SW1(config-if)# channel-group 1 mode […]"

on

"Manually configure the EtherChannel protocol used on an interface: SW1(config-if)# […]"

channel-protocol [lacp | pagp]

"Configure a Layer 3 EtherChannel: SW1(config-if)# […] SW1(config-if)# channel-group group mode mode"

no switchport