Switches connected to the external network cannot communicate with each other

Factory
May 04, 2026

Troubleshoot LAN Switching Environments

If you have workstations connected to switches which are unable to login to your network domain (NT or Novell), or are unable to get

Factory
Mar 13, 2026

Why can''t hosts in different subnets communicate with each other?

When they say they cannot communicate with each other, they are presuming the machines are on different switches or different

Factory
Jan 03, 2026

Users in a VLAN Cannot Communicate with Each Other

Users in a VLAN Cannot Communicate with Each Other After commands are configured to troubleshoot faults, pay attention to the

Factory
Oct 27, 2025

How to allow vms to talk to each other locally AND get out

How to allow vms to talk to each other locally AND get out externally? I have 3 endpoints connected to a virtual external switch. All

Factory
Oct 27, 2025

Why Would one VLAN have no Communication on one Switch?

Plus I figured the issue couldn''t be with them because the VLAN works fine everywhere else it exists. So the only other thing I can

Factory
May 11, 2026

My switches do not communicate

If the switches are configured correctly then the PCs should be able to communicate to the other PC in that vlan. If the

Factory
Jul 16, 2026

Two switches connected but not talking

Just want to clarify which switches they are. The next work on the right can ping around the right side, but not reach the

Factory
Jan 24, 2026

Fundamentals of communication between two different networks.

Two PCs on a different network will not communicate with each other unless they are assisted by a router. However, if they are

Factory
Jul 25, 2026

2 switches won''t connect

I am trying to connect 2 3750 switches. I have a cable in each switch''s f1/0/5 port however, neither port comes up at all. The lights

Factory
Jan 25, 2026

Two machines on same subnet cannot connect to each other

They may be in the same "class C" network, but that (unfortunately) says nothing about the actual subnets involved. It''s also quite

Factory
Mar 31, 2026

Users Connected to a Single Device in the Same VLAN Cannot Communicate

The interfaces connecting to other devices in the VLAN are down. The users in the VLAN are on different network segments. MAC

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