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EtherChannel Questions 4

September 12th, 2017 in SWITCH 300-115 Go to comments

Question 1

Explanation

For this question please remember this:

The table below lists if an EtherChannel will be formed or not for LACP:

LACP Active Passive
Active Yes Yes
Passive Yes No

The table below lists if an EtherChannel will be formed or not for PAgP:

PAgP Desirable Auto
Desirable Yes Yes
Auto Yes No

To form an Etherchannel both sides must use the same Etherchannel protocol (LACP or PAgP). According the two tables above we can see only “desirable” and “auto” (of PAgP) can form an Etherchannel bundle.

Note: If we want to use “on” mode, both ends must be configured in this “on” mode to create an Etherchannel bundle.

Question 2

Question 3

Explanation

The table below lists if an EtherChannel will be formed or not for PAgP:

PAgP Desirable Auto
Desirable Yes Yes
Auto Yes No

Therefore we can see if one end is in “auto”, the other end must be in “desirable” mode to form an Etherchannel.

Question 4

Question 5

Question 6

Comments
  1. CertPrep Nickname
    September 14th, 2017

    New section? Has the site PDF questions file been updated too?

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