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How Configure a Cisco Switch

How to Access & Configure a Cisco Switch via Console

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Last Update há um mês

1. Establish the Physical Connection

To connect to your Cisco switch:

Plug the RJ-45 console connector into the switch

Plug the USB end into your laptop

Open PuTTY,
https://apps.microsoft.com/detail/xpfnzksklbp7rj?hl=en-US&gl=US
https://www.ssh.com/academy/ssh/putty

SecureCRT,
https://www.vandyke.com/products/securecrt/

or

TeraTerm
https://tera-term.en.softonic.com/

and choose the correct COM port

This gives you direct access—even if the network is down.

2. Basic Configuration via CLI

Once inside the switch, these core commands help you prepare it for management:

Switch> enable

Switch# configure terminal

Switch(config)# hostname SW1

Switch(config)# line console 0

SW1(config-line)# password P@#$123

SW1(config-line)# login

SW1(config-line)# exit

SW1(config)# enable secret admin123

SW1(config)# interface vlan 1

SW1(config-if)# ip address 192.168.1.10 255.255.255.0

SW1(config-if)# no shutdown

SW1(config-if)# exit

SW1(config)# ip default-gateway 192.168.1.1

SW1(config)# end

SW1# write memory

Set a secure hostname

Configure console access

Apply an encrypted enable secret

Assign a management IP

Define a default gateway

Save the running configuration

This sequence forms the foundation of all switch deployments.

Why This Matters

Mastering console configuration gives you full control over your network devices especially during outages, migrations, or onboarding new hardware.

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