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AAAdot1x Lab Sim

October 3rd, 2018 in Lab Sim, LabSim Go to comments


Answer and Explanation


1) Configure ASW1

Enable AAA on the switch:
aaa new-model

The new-model keyword refers to the use of method lists, by which authentication methods and sources can be grouped or organized.

Define the server along with its secret shared password:
ASW1(config)#radius-server host key rad123

ASW1(config)#aaa authentication dot1x default group radius
This command causes the RADIUS server defined on the switch to be used for 802.1x authentication.

Globally enable port-based authentication (802.1x) on a switch:
ASW1(config)#dot1x system-auth-control

Configure Fa0/1 to use 802.1x:

ASW1(config)#interface fastEthernet 0/1
ASW1(config-if)#dot1x port-control auto
Notice that the word “auto” will force connected PC to authenticate through the 802.1x exchange.

2) Configure DSW1:

Define an access-list:
DSW1(config)#ip access-list standard 10 (syntax: ip access-list {standard | extended} acl-name)

Define an access-map which uses the access-list above:
DSW1(config)#vlan access-map MYACCMAP 10 (syntax: vlan access-map map_name [0-65535] )
DSW1(config-access-map)#match ip address 10 (syntax: match ip address {acl_number | acl_name})
DSW1(config-access-map)#action forward

DSW1(config)#vlan access-map MYACCMAP 20
DSW1(config-access-map)#action drop (drop other networks)

Note: In fact, there is an implicit “deny all” command at the end of each VLAN access-map so we don’t need to deny other networks. Therefore there is no problem if you don’t enter the “vlan access-map MYACCMAP 20” above.

Apply a vlan-map into a vlan:
DSW1(config)#vlan filter MYACCMAP vlan-list 20 (syntax: vlan filter mapname vlan-list list)

DSW1#copy running-config startup-config

(Notice: Many reports said the copy running-config startup-config didn’t work but they still got the full mark)

Note: If the requirement of this sim states that “not to use named ACLs” then you should configure number ACL instead:

DSW1(config)#access-list 10 permit

Other lab-sims in this site:

LACP with STP Sim
VTP Lab 2
Spanning Tree Lab Sim

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  1. @2$
    July 31st, 2019

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    August 10th, 2019

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    August 14th, 2019

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    August 15th, 2019

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  6. Roger
    September 8th, 2019

    Hi Everyone,

    This is for clarification, I saw many of you are confused by using 40. or 39.

    So here is a simple explanation:

    First it will depend upon the question in the exam, if it says host host, then use 40.
    and if it says host host, then use 39.

    Now some of you use it only at the beginning with:
    radius-server host key rad123 , and then use permit , only because it was written in the ANSWER cheat like this .

    SO if you were one of the people who got host ( then your answer at radius and permit lines will be this:

    radius-server host key rad123

    and if you were one of the lucky ones and get 40,then do as the answer cheat and put (40) for both lines:

    radius-server host key rad123

    AND after all you have passed your CCNA, so a knowledge like different network/subnet must be clear to you. and don’t ever take any answer as a guaranteed one, do your own research if you were confused.


  7. Fabdot
    September 8th, 2019

    Hi, IPHELPER please email me july 2019 dumps at fabio.dit AT inwind.it

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