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Switches
Switches Cisco Catalyst 9300 Series
Visão geral
Resumo do produto
Tipo de produto
Switches de LAN de campus - Acesso
Status
Disponível
Pedido da série
Data de lançamento da série
20-JUN-2017
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Avisos de segurança recentes
14-Apr-2026
Field Notice: FN74383 - Cisco Access Points Running Cisco IOS XE Releases 17.12.4, 17.12.5, 17.12.6 or 17.12.6a May Run Out of Flash Space, Preventing Upgrades - Software Upgrade Recommended
20-Jan-2026
Field Notice: FN72510 - Cisco IOS XE Software: Weak Cryptographic Algorithms Are Not Allowed by Default for IPsec Configuration in Certain Cisco IOS XE Software Releases - Configuration Change Recommended
27-Jan-2025
Field Notice: FN72416 - Limited Number of Cisco Catalyst 9300 Switches Can Experience Memory Failures - Hardware Upgrade Available
17-Jan-2025
Field Notice: FN74221 - Expired Device Certificate Causes Umbrella DNS Connections to Fail in Cisco Catalyst 9200 and 9300 Switches - Configuration Change Recommended
14-May-2024
Field Notice: FN74135 - Cisco SUDI Certificate Expires When Registered to a PKI and Used to Configure Certain Functionalities on Catalyst 9000 Platforms - Workaround Provided
Categorias de documento
Avisos de segurança
Collections
Configuração
Data sheets e informações sobre o produto
Instalação e atualização
Manutenção e operação
Material
Multimídia
Projeto
Referência
Solução de Problemas
Versão e compatibilidade
Collections
Licensing
Cisco Catalyst 9000 Switching Family Licensing
25-Aug-2024
Release
Cisco Catalyst 9000 Switching Family Release Notes
25-Aug-2024
Data sheets e informações sobre o produto
Data sheets
Cisco Catalyst 9300 Series Switches Data Sheet
09-Oct-2025
Catalyst 9300 Stackwise System Architecture White Paper
01-Nov-2023
Notificações de fim de vida útil e vendas
End-of-Sale and End-of-Life Announcement for the Cisco IOS XE 17.17.x
05-Nov-2025
End-of-Sale and End-of-Life Announcement for the Cisco IOS XE 17.15.x
01-Oct-2025
End-of-Sale and End-of-Life Announcement for the Cisco IOS XE 17.9.x
04-Jul-2025
End-of-Sale and End-of-Life Announcement for the Cisco C9300L-STACK-KIT
06-May-2025
End-of-Sale and End-of-Life Announcement for the Cisco IOS XE 17.16.x
15-Apr-2025
End-of-Sale and End-of-Life Announcement for the Cisco IOS XE 17.12.x
03-Oct-2024
End-of-Sale and End-of-Life Announcement for the Cisco IOS XE 17.14.x
06-Sep-2024
End-of-Sale and End-of-Life Announcement for the Cisco IOS XE 17.13.x
03-Apr-2024
End-of-Sale and End-of-Life Announcement for the Cisco IOS XE 17.11.x
16-Aug-2023
End-of-Sale and End-of-Life Announcement for the Cisco IOS XE 17.10.x
06-Apr-2023
End-of-Sale and End-of-Life Announcement for the Cisco ONE C9300 DNA Advantage Term licenses
15-Mar-2023
End-of-Sale and End-of-Life Announcement for the Cisco IOS XE 17.6.x
04-Oct-2022
End-of-Sale and End-of-Life Announcement for the Cisco IOS XE 17.8.x
30-Aug-2022
End-of-Sale and End-of-Life Announcement for the Cisco IOS XE 17.7.x
27-Jul-2022
End-of-Sale and End-of-Life Announcement for the Cisco IOS XE 17.3.x
21-Apr-2022
Exibir toda a documentação deste tipo
Perguntas e respostas
Support for Precision Time Protocol on Cisco Catalyst Switches FAQ
06-Apr-2023
Open IOS XE FAQ
30-Nov-2020
Avisos de segurança
Boletins
Cisco Catalyst IOS Software Update Program for Cisco Catalyst 9200/X, 9300/X, 9400/X, 9500/X and 9600/X Series Switches
25-Apr-2024
Field Notices
Applicable to Multiple Models
Field Notice: FN74383 - Cisco Access Points Running Cisco IOS XE Releases 17.12.4, 17.12.5, 17.12.6 or 17.12.6a May Run Out of Flash Space, Preventing Upgrades - Software Upgrade Recommended
14-Apr-2026
Field Notice: FN72510 - Cisco IOS XE Software: Weak Cryptographic Algorithms Are Not Allowed by Default for IPsec Configuration in Certain Cisco IOS XE Software Releases - Configuration Change Recommended
20-Jan-2026
Field Notice: FN72416 - Limited Number of Cisco Catalyst 9300 Switches Can Experience Memory Failures - Hardware Upgrade Available
27-Jan-2025
Field Notice: FN72524 - During Software Upgrade/Downgrade, Cisco IOS APs Might Remain in Downloading State After December 4, 2022 Due to Certificate Expiration - Software Upgrade Recommended
07-Dec-2023
Field Notice: FN72323 - Cisco IOS XE Software: QuoVadis Root CA 2 Decommission Might Affect Smart Licensing, Smart Call Home, and Other Functionality - Software Upgrade Recommended
05-Oct-2023
Field Notice: FN - 70359 - C3650/C3850 and C9300/C9500 Devices That Run on Certain Cisco IOS XE 16.3.x or 16.6.x Software Releases Might Observe a Memory Leak - Software Upgrade Recommended
21-Feb-2019
Cisco Catalyst 9300LM-48UX-4Y Switch
Field Notice: FN - 72511 - RSA Keys Less Than 2048 Bits Are Not Supported for SSH in Cisco IOS XE Release 17.11.1 and Later - Workaround Provided
16-May-2023
Switch Cisco Catalyst 9300
Field Notice: FN72578 - Cisco IOS XE - Smart Licensing Using Policy Might Cause High CPU/Memory Usage - Software Upgrade Recommended
29-Sep-2023
Switch Cisco Catalyst 9300-48U-A
Field Notice: FN - 70489 - PKI Self-Signed Certificate Expiration in Cisco IOS and Cisco IOS XE Software - Workaround Provided
20-Dec-2019
Field Notice: FN74221 - Expired Device Certificate Causes Umbrella DNS Connections to Fail in Cisco Catalyst 9200 and 9300 Switches - Configuration Change Recommended
17-Jan-2025
Field Notice: FN74135 - Cisco SUDI Certificate Expires When Registered to a PKI and Used to Configure Certain Functionalities on Catalyst 9000 Platforms - Workaround Provided
14-May-2024
Versão e compatibilidade
Release Notes
Release Notes for Cisco Catalyst 9300 Series Switches, Cisco IOS XE Cupertino 17.9.x
30-Apr-2026
updated
Release Notes for Cisco Catalyst 9300 Series Switches, Cisco IOS XE Dublin 17.12.x
27-Mar-2026
Release Notes for Cisco Catalyst 9300 Series Switches, Cisco IOS XE Bengaluru 17.6.x
06-Apr-2024
Release Notes for Cisco Catalyst 9300 Series Switches, Cisco IOS XE 17.14.x
05-Apr-2024
Release Notes for Cisco Catalyst 9300 Series Switches, Cisco IOS XE 17.13.x
30-Nov-2023
Release Notes for Cisco Catalyst 9300 Series Switches, Cisco IOS XE Amsterdam 17.3.x
30-Oct-2023
Release Notes for Cisco Catalyst 9300 Series Switches, Cisco IOS XE Dublin 17.11.x
29-Jun-2023
Release Notes for Cisco Catalyst 9300 Series Switches, Cisco IOS XE Dublin 17.10.x
30-Nov-2022
Release Notes for Cisco Catalyst 9300 Series Switches, Cisco IOS XE Gibraltar 16.12.x
22-Sep-2022
Release Notes for Cisco Catalyst 9300 Series Switches, Cisco IOS XE Cupertino 17.8.x
09-Apr-2022
Release Notes for Cisco Catalyst 9300 Series Switches, Cisco IOS XE Cupertino 17.7.x
07-Dec-2021
Release Notes for Cisco Catalyst 9300 Series Switches, Cisco IOS XE Fuji 16.9.x
01-Sep-2021
Release Notes for Cisco Catalyst 9300 Series Switches, Cisco IOS XE Bengaluru 17.5.x
01-Apr-2021
Release Notes for Cisco Catalyst 9300 Series Switches, Cisco IOS XE Bengaluru 17.4.x
30-Nov-2020
Release Notes for Cisco Catalyst 9300 Series Switches, Cisco IOS XE Everest 16.6.x
29-Apr-2020
Exibir toda a documentação deste tipo
Multimídia
How-Tos
Troubleshooting de Esgotamento de Recursos de Hardware FIB do Catalyst 9000 Switch
01-Jun-2023
Overview
Introdução ao Cisco Smart Licensing nos Catalyst Switches
08-Feb-2023
Referência
Referências Técnicas
Extended Fast Software Upgrade on Cisco Catalyst 9300 Series Switches
18-Feb-2026
Executar verificação de integridade e configuração do Catalyst
13-Oct-2025
Extended Fast Software Upgrade Quick Reference Guide
09-Nov-2020
Referências de Comando
Command Reference, Cisco IOS XE 26.x.x (Catalyst 9300 Switches)
10-Apr-2026
Programmability Command Reference, Cisco IOS XE 26.x.x
10-Apr-2026
Command Reference, Cisco IOS XE 17.18.x (Catalyst 9300 Switches)
08-Aug-2025
Programmability Command Reference, Cisco IOS XE 17.18.x
31-Jul-2025
Command Reference, Cisco IOS XE 17.17.x (Catalyst 9300 Switches)
31-Mar-2025
Programmability Command Reference, Cisco IOS XE 17.17.x
31-Mar-2025
Command Reference, Cisco IOS XE 17.16.x (Catalyst 9300 Switches)
11-Dec-2024
Programmability Command Reference, Cisco IOS XE 17.16.x
11-Dec-2024
Command Reference, Cisco IOS XE 17.15.x (Catalyst 9300 Switches)
14-Aug-2024
Programmability Command Reference, Cisco IOS XE 17.15.x
14-Aug-2024
Command Reference, Cisco IOS XE 17.14.x (Catalyst 9300 Switches)
05-Apr-2024
Programmability Command Reference, Cisco IOS XE 17.14.x
05-Apr-2024
Programmability Command Reference, Cisco IOS XE 17.13.x
08-Dec-2023
Command Reference, Cisco IOS XE 17.13.x (Catalyst 9300 Switches)
08-Dec-2023
Programmability Command Reference, Cisco IOS XE Dublin 17.12.x
28-Jul-2023
Exibir toda a documentação deste tipo
Projeto
Notas Técnicas de Desenho
Migrar EVPN VxLAN para IPv6 Underlay em switches Catalyst 9000
30-Nov-2022
Instalação e atualização
Guias de Instalação e Atualização
Regulatory Compliance and Safety Information - Cisco Catalyst 9300 Series Switches
18-Mar-2025
(PDF - 5 MB)
Cisco Catalyst 9300 Series Switches Hardware Installation Guide
14-Feb-2023
Layer 2 Configuration Guide, Cisco IOS XE Fuji 16.9.x (Catalyst 9300 Switches)
18-Jul-2018
Regulatory Compliance and Safety Information—Cisco Catalyst 9300 Series Switches
24-Jan-2018
(PDF - 4 MB)
Notas Técnicas de Instalação e Atualização
Versões recomendadas para as plataformas Catalyst 9200/9300/9400/9500/9600
16-Apr-2026
Atualize os switches Catalyst 9300
15-Oct-2025
Instalar certificados de administrador da Web nos switches Catalyst 9000
10-Jul-2025
Guia de atualização para switches Catalyst 9000
21-Jun-2023
Configuração
Feature Guides
Cisco Plug and Play Feature Guide (Catalyst 3850, Catalyst 3650, Catalyst 9300, Catalyst 9500 Switches)
29-Jun-2017
(PDF - 4 MB)
Guias de Configuração
Cisco TrustSec Configuration Guide, Cisco IOS XE 26.x.x (Catalyst 9300 Switches)
10-Apr-2026
Stacking and High Availability Configuration Guide, Cisco IOS XE 26.x.x (Catalyst 9300 Switches)
10-Apr-2026
VLAN Configuration Guide, Cisco IOS XE 26.x.x (Catalyst 9300 Switches)
10-Apr-2026
BGP EVPN VXLAN Configuration Guide, Cisco IOS XE 26.x.x (Catalyst 9300 Switches)
10-Apr-2026
new
Interface and Hardware Components Configuration Guide, Cisco IOS XE 26.x.x (Catalyst 9300 Switches)
10-Apr-2026
Network Management Configuration Guide, Cisco IOS XE 26.x.x (Catalyst 9300 Switches)
10-Apr-2026
IP Addressing Services Configuration Guide, Cisco IOS XE 26.x.x (Catalyst 9300 Switches)
10-Apr-2026
System Management Configuration Guide, Cisco IOS XE 26.x.x (Catalyst 9300 Switches)
10-Apr-2026
Layer 2 Configuration Guide, Cisco IOS XE 26.x.x (Catalyst 9300 Switches)
10-Apr-2026
Multiprotocol Label Switching Configuration Guide, Cisco IOS XE 26.x.x (Catalyst 9300 Switches)
10-Apr-2026
Programmability Configuration Guide, Cisco IOS XE 26.x.x
10-Apr-2026
Cisco DNA Service for Bonjour Configuration Guide, Cisco IOS XE 26.x.x (Catalyst 9300 Switches)
10-Apr-2026
IP Multicast Routing Configuration Guide, Cisco IOS XE 26.x.x (Catalyst 9300 Switches)
10-Apr-2026
Quality of Service Configuration Guide, Cisco IOS XE 26.x.x (Catalyst 9300 Switches)
31-Mar-2026
IP Routing Configuration Guide, Cisco IOS XE 26.x.x (Catalyst 9300 Switches)
31-Mar-2026
Exibir toda a documentação deste tipo
Notas Técnicas e Exemplos de Configuração
Automatização das sequências de comandos do Cisco IOS XE usando TCL e EEM
16-Apr-2026
novo
Configurar e verificar o Netflow, o AVC e o ETA nos switches Catalyst 9000 Series
13-Nov-2025
Configurar e solucionar problemas do ZTP nos switches Catalyst 9000 Series
07-Nov-2025
Implemente e verifique VxLAN EVPN somente BGP no Catalyst 9000
04-Sep-2025
Configurar licenças HSEC usando SLP em switches Catalyst 9300X Series off-line
18-Jun-2025
Configurar a MTU IP do ISE ideal em SD-WAN para implantações de SDA
19-May-2025
Entender a hospedagem de aplicativos em Switches Catalyst 9000
07-May-2025
Configurar o IPsec nos switches Catalyst 9000X Series
20-Dec-2024
Configurar parâmetros equivalentes de registro no IOS XE
02-Dec-2024
Configurar e solucionar problemas de QinQ e L2PT em Switches Catalyst 9000
17-Sep-2024
Configurar AutoQoS nos Switches Catalyst 9000
26-Jul-2024
Configurar e verificar o NAT nos switches Catalyst 9000
10-May-2024
Use CLIs simplificadas de EVPN nos switches Catalyst 9000
07-Nov-2023
Use VNID para provisionar automaticamente L3VNI, Core-SVI, Core-vlan em switches Catalyst 9000
18-Aug-2023
Configurar o RT automático RD VRF do BGP para EVPN nos switches Catalyst 9000 Series
18-Aug-2023
Manutenção e operação
Notas Técnicas de Manutenção e Funcionamento
Switch Cisco Catalyst 9300
Verificar pacotes usando contadores PHY e HW QoS
07-Oct-2025
Fazer upload/download de arquivos usando o método WebUI: sem necessidade de USB, TFTP ou SCP
01-Apr-2024
Substituir um módulo supervisor ou um membro da pilha do Catalyst 9000 em HA
14-May-2026
Transferência de arquivos em Switches Catalyst 9000 usando WebUI SFTP
23-Feb-2026
Calcule o consumo total de energia no Catalyst 9300
24-Jul-2025
Entender a Alocação de Buffer de Fila nos Switches Catalyst 9000
24-May-2024
Entender os recursos de hardware do IPv4 nos switches Catalyst 9000
01-Jun-2023
Entender os recursos de hardware de QoS nos switches Catalyst 9000
05-Dec-2022
Solução de Problemas
Mensagens de Erro e de Sistema
System Message Guide for Cisco IOS XE 26.1.x
09-May-2026
updated
System Message Guide for Cisco IOS XE 17.18.x
31-Jul-2025
System Message Guide for Cisco IOS XE 17.17.x
31-Mar-2025
System Message Guide for Cisco IOS XE 17.16.x
11-Dec-2024
System Message Guide for Cisco IOS XE 17.15.x
28-Aug-2024
System Message Guide for Cisco IOS XE 17.14.x
05-Apr-2024
System Message Guide for Cisco IOS XE 17.13.x
30-Nov-2023
System Message Guide for Cisco IOS XE Dublin 17.12.x
28-Jul-2023
System Message Guide for Cisco IOS XE Dublin 17.11.x
14-Apr-2023
System Message Guide for Cisco IOS XE Dublin 17.10.x
04-Apr-2023
System Message Guide for Cisco IOS XE Cupertino 17.9.x
01-Aug-2022
System Message Guide for Cisco IOS XE Cupertino 17.8.x
08-May-2022
System Message Guide for Cisco IOS XE Cupertino 17.7.x
17-Mar-2022
System Message Guide for Cisco IOS XE Bengaluru 17.6.x
18-Aug-2021
System Message Guide for Cisco Catalyst Series Switches, Cisco IOS XE Bengaluru 17.5.x
24-Jun-2021
Exibir toda a documentação deste tipo
Notas Técnicas de Troubleshooting
Troubleshooting de Latência de Rede e Quedas de Pacotes nos Catalyst 9000 Switches
17-Mar-2026
Identificar e Solucionar Problemas de Fluxo de Tráfego Norte-Sul de Encaminhamento SDA
16-Mar-2026
Solucionar problemas de recarregamento inesperado em switches Catalyst 9000
10-Mar-2026
Solucionar problemas de Rommon nos switches Catalyst 9000 Series
05-Mar-2026
Solucionar problemas de Smart Licensing nas plataformas Catalyst
17-Feb-2026
Solucionar problemas de MTU em switches Catalyst 9000 Series
03-Nov-2025
Verifique as diferenças entre PoE 802.3AT/802.3BT no Catalyst 9000
15-Oct-2025
Entender o REP nos Switches Catalyst 9000
02-Sep-2025
Troubleshooting de Quedas de Protocolo Desconhecidas nos Catalyst 9000 Switches
25-Aug-2025
Solucione problemas de cenários com fixação Null0 e MSS
14-Aug-2025
Entender quedas de saída nos Switches Catalyst 9000
12-Aug-2025
Entender o Smart Licensing para switches Catalyst
28-Jul-2025
Entender as notificações de oscilação de Mac nos Switches Catalyst 9000
13-Jun-2025
Troubleshooting de Fontes de Alimentação nos Catalyst 9000 Switches
08-May-2025
Verificar o SPAN e o ERSPAN nos switches Catalyst 9000 Series
29-Apr-2025
Exibir toda a documentação deste tipo
Password Recovery
Executar Recuperação de Senha nos Catalyst 9000 Series Switches
14-Jul-2025
Support FAQ
Perguntas frequentes - Quedas de saída nos switches Cisco Catalyst 9000 Series
07-Apr-2026
novo
Solucionar problemas de inicialização de Switches Catalyst 9000 no Switch: Prompt
01-Mar-2024
Material
Recursos de vendas
Cisco Catalyst 9300 Series Ordering Guide
18-Mar-2025
Ordering Guide for Customers with Existing Catalyst 9000 Deployments to Request ThousandEyes Credits
26-Aug-2021
White Papers
Extended Fast Software Upgrade (xFSU) on Cisco Catalyst 9300 Series Switches White Paper
23-Mar-2026
Cisco ThousandEyes Enterprise Agent Deployment Guide on Catalyst 9000 Switching Platforms
23-Oct-2024
Benefits of Upgrading to Cisco Catalyst 9300 Series Switches Feature comparison
04-Jun-2024
Model Driven Telemetry White Paper
03-Apr-2024
Upgrade guide from Cisco Catalyst 3650/3850 Series to Catalyst 9300 Series
01-Apr-2024
(PDF - 985 KB)
Cisco Catalyst 9000 Licensing White Paper
26-Feb-2024
MPLS for the Catalyst 9000 Switching Family White Paper
17-Feb-2024
Cisco Catalyst 9300 Series Switches Architecture White Paper
01-Mar-2023
Application Hosting on the Cisco Catalyst 9000 Series Switches White paper
18-Oct-2022
Cisco Catalyst 9000 with Panduit Cables Ready for Wi-Fi 6 and Beyond White Paper
23-Mar-2022
Deploying 90W Cisco UPOE+ with Cisco Catalyst 9000 Switches Deployment Guide
22-Sep-2021
Understanding Cisco StackPower White paper
12-Jan-2021
Cisco Catalyst 9000 Switching Platforms: QoS and Queuing White Paper
13-Sep-2020
Application Hosting on the Cisco Catalyst 9000 Series Switches
07-Feb-2020
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