CCNP 642-832 TSHOOT Ticket 7 – Port Security

In this post  CCNP 642-832 TSHOOT TROUBLE TICKETS (TT) Questions, i have introduced the trouble tickets questions of 642-832 exam.

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Client 1 is getting a 169.x.x.x IP address & is unable to ping Client 2 as well as DSW1. The command ‘sh interfaces fa1/0/1′ will show following message in the first line ‘enFastEthernet1/0/1 is down, line protocol is down (err-disabled)'

On ASW1 port-security mac 0000.0000.0001, interface in err-disable state

Configuration of ASW1
interface fa1/0/1
switchport mode access
switchport port-security
switchport port-security mac-address 0000.0000.0001

Answer:on asw1 delele portsecurity & do on interfaces shutdown, no shutdown

Ans1)ASW1
Ans2)Port security
Ans3)issue “no switchport port-security mac-address 0000.0000.0001 command followed by shutdown & no shutdown commands on port fa1/0/1 on ASW1

Symptoms for this ticket:-

1- Client 1 is getting 169.x.x.x ip address

2- Client 1 is unable to ping Client 2 as well as DSW1.

3- ‘sh interfaces fa1/0/1′ will show following message in the first line ‘enFastEthernet1/0/1 is down, line protocol is down (err-disabled)'

4- ‘sh running-config', you will see ‘switchport port-security mac-address '0000.0000.0001′ configured under fa1/0/1.