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Zorluk: ZorVLAN Configuration and Access Port Setup

A network administrator needs to manually provision a new VLAN for guest wireless traffic (VLAN 88 named GUEST_WIFI) and configure switch port GigabitEthernet1/0/22 as a dedicated access port in this VLAN on a Cisco Catalyst switch. Place the Cisco IOS CLI commands in the correct administrative order of execution starting from global configuration mode.

  1. 1vlan 88
  2. 2name GUEST_WIFI
  3. 3interface gigabitethernet 1/0/22
  4. 4switchport mode access
  5. 5switchport access vlan 88

Cevap

The correct operational sequence begins with defining VLAN 88 in global configuration mode ('vlan 88'), naming the VLAN ('name GUEST_WIFI'), navigating to the target port ('interface gigabitethernet 1/0/22'), setting static access mode ('switchport mode access'), and assigning the access VLAN membership ('switchport access vlan 88').
Cisco IOS command syntax requires configuring global parameters (VLAN ID and name in VLAN subconfiguration mode) prior to entering interface subconfiguration mode to establish static access mode and assign the access VLAN membership.

Adım Adım Çözüm

1
Execute 'vlan 88' in global configuration mode (Switch(config)#).
Initializes VLAN 88 in the local VLAN database and shifts prompt context to Switch(config-vlan)#.
Defining the VLAN ID is required to instantiate the subconfiguration context for setting VLAN attributes.
2
Execute 'name GUEST_WIFI' within VLAN subconfiguration mode.
Assigns the label 'GUEST_WIFI' to VLAN 88.
The 'name' command is a VLAN subconfiguration command that can only be issued under the Switch(config-vlan)# prompt.
3
Navigate to interface configuration mode via 'interface gigabitethernet 1/0/22'.
Changes prompt context to Switch(config-if)# for GigabitEthernet1/0/22.
Port configuration commands require entering the interface-specific configuration mode from global configuration mode.
4
Execute 'switchport mode access' on the interface.
Disables Dynamic Trunking Protocol (DTP) negotiation and locks the port into permanent access mode.
Explicitly enforcing access mode prevents trunk negotiation vulnerabilities before binding the port to a VLAN.
5
Execute 'switchport access vlan 88' on the interface.
Assigns untagged frames received on GigabitEthernet1/0/22 to broadcast domain VLAN 88.
Maps the physical interface to the configured broadcast domain.

Anahtar Kavram

Cisco IOS CLI prompt hierarchy for VLAN creation, naming, static access port configuration, and VLAN membership assignment
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Konular

VLAN Configuration and Access Port Setup

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