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Zorluk: OrtaVLAN Configuration and Access Port Setup

A network technician is troubleshooting an issue where a workstation connected to interface FastEthernet 0/5 is failing to reach resources in VLAN 50. VLAN 50 already exists in the VLAN database. The technician executes `show interfaces fastEthernet 0/5 switchport` and observes the following output:

Administrative Mode: dynamic auto
Operational Mode: static access
Administrative Trunking Encapsulation: dot1q
Operational Trunking Encapsulation: native
Negotiation of Trunking: On
Access Mode VLAN: 1 (default)

Which command set must be entered on interface FastEthernet 0/5 to force the port statically into access mode and assign it to VLAN 50?

  1. switchport mode access
    switchport access vlan 50    Cevap
  2. B
    switchport access vlan 50
  3. C
    switchport trunk native vlan 50
    switchport mode trunk
  4. D
    vlan 50
    switchport access vlan 50

Cevap

The correct sequence under interface configuration mode is 'switchport mode access' followed by 'switchport access vlan 50'.
To properly configure an access port on Cisco IOS, the interface must be explicitly configured with 'switchport mode access' to turn off DTP negotiation and 'switchport access vlan 50' to assign the port to the designated broadcast domain.

Adım Adım Çözüm

1
Examine the current switchport state from the show output.
Administrative Mode is dynamic auto and Access Mode VLAN is 1.
Default Cisco Catalyst interface settings leave ports ready to negotiate trunks via DTP and assigned to default VLAN 1.
2
Explicitly disable DTP negotiation for trunking by setting static access mode.
Interface command 'switchport mode access' sets Administrative Mode to static access.
Access ports connecting to end-user workstations should always be statically configured as access ports for stability and security.
3
Assign the interface to the target VLAN.
Interface command 'switchport access vlan 50' modifies Access Mode VLAN to 50.
Places untagged host traffic from FastEthernet 0/5 into broadcast domain VLAN 50.

Anahtar Kavram

Static Access Port Configuration and Access VLAN Assignment
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Konular

VLAN Configuration and Access Port Setup

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