The core switch cannot access the internet after rebooting

Ensure to save or back up any important switch configurations before the restart. Isolate the problem: Connect a known-good device directly to the problematic port on the switch. If the link comes up ...

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Nov 01, 2025

Core Switch and Access Switch Crisis

We have a Huawei Core switch and a Dlink plug and play switch before the new Huawei Access switch was deployed.

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Sep 04, 2025

How to Reboot Your Router and Modem

Rebooting your router and modem is a critical troubleshooting step when you have network problems. Here''s how to do it.

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Mar 13, 2026

Internet not reaching Core/Access Switch

Oooh yes, that was a typo. Corrected but still no internet access on Core Switch You can use the “show ip nat”

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May 17, 2026

Help Resolving DNS Issue that resolves it self after rebooting a switch

I started having a networking issue that is related to DNS. When using nslookup I noticed that all of the request would

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Sep 20, 2025

How to revive the network without rebooting the PC?

I have had to reboot my Windows 11 PC to restore network connectivity every day for the past week or so. The

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Apr 26, 2026

Router Reboot Guide — When to Restart, How to Do It, and How to

In this guide, we''ll explain when you should reboot your router, how to restart it properly using the power button, by

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Feb 10, 2026

Common Network Switch Issues & How to Fix Them

Learn how to spot, troubleshoot, and fix common network switch issues, from slow connections to VLAN errors, and

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May 20, 2026

No network after the switch reboots

Check and make sure that there are no configuration issues with the switch, such as VLAN settings, etc., to ensure

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Apr 28, 2026

Network Switch Keeps Rebooting

The 5 attached switches, along with the Cisco SR2024 are all unmanaged switches, therefore the firmware cannot be

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Oct 07, 2025

I totally fucked up our network core switch and everything is

We have a pair of Dell N3224P-ON switches and today''s morning my colleague gave me a task and instructions to remove some

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Aug 03, 2025

Network Switch Troubleshooting Guide: Common Problems and

Restart the switch: Try rebooting the switch as a temporary measure to resolve any transient connection issues.

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Oct 15, 2025

That feeling when you''re rebooting a network switch remotely

That feeling when you''re rebooting a network switch remotely on a Sunday... I think we''ve all been here. I made this screenshot and

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Jun 15, 2026

Why Does My Router Keep Rebooting Itself? Unraveling the

If you have ever experienced frustrating and abrupt interruptions in your internet connection, only to find that your

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Dec 20, 2025

Troubleshooting a Down Network: Step-by-Step Guide

By following the steps outlined in this guide—starting with checking the gateway and switches, verifying power,

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Dec 28, 2025

Internet not reaching Core/Access Switch

when you ping 8.8.8.8 from 172.30.235.2 (the switch) and then issue the command ''show ip nat translation *" on the

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Jun 23, 2026

Internet not reaching Core/Access Switch

Corrected but still no internet access on Core Switch. Have you looked at the vlan database and verified that the core

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Oct 25, 2025

DHCP Server failing after every reboot of switch (SG350-10P)

Hello Community! With little experience in networks I am trying to run the DHCP server functionality on a SG350-10P

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Feb 05, 2026

Why Can''t I Connect To The Internet Through A Network Switch?

Having trouble connecting to the internet through a network switch? Learn about common issues and troubleshooting

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May 20, 2026

How to reset your router

Rebooting your router can fix a number of problems, from speed issues to malware attacks,

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Jun 28, 2026

headTitleNoCommunity

First published on TECHNET on Nov 21, 2011 It supersedes SP1 Cumulative Update 2 (CU2) and contains a superset of the fixes

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Dec 10, 2025

Solved: can''t access internet via core switch

You need also to configure NAT for all internal subnets to allow them access to the Internet. Simply put the

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Jan 13, 2026

Core to access switch ping working and access to core is not pinging

Hi, we are facinf and issue with ping from access to core core management vlan 98 192.168.98.1 255.255.255.0 vlan

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Jan 16, 2026

How to reboot a Cisco Switch?

Rebooting a Cisco switch is a fundamental network maintenance procedure employed to address various operational

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Mar 30, 2026

How Often Should You Reboot Your Router?

Learn how to reboot your router and when it''s necessary in order to improve your internet

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