PN device directly connected to industrial switch cannot ping

Check the network connections between the PC and the device you are pinging. 9 and is configured with Profinet. Issue: I can. The computer issuing the PING command cannot communicate with the device a...

Mar 23, 2026

Switch is UP. But unable to ping or telnet.

Hi All, I am facing an issue with a switch. Please refer my below sample diagrams to understand the network setup. Here i am unable

Nov 23, 2025

Can ping a PC from the Switches, but not from my PC

I can now ping the IP from all of the switches, no problem, also not when I log on to the core switch in the same VLAN

Sep 20, 2025

Two computers cannot ping one another

I''ve got two physical computers which are connected to the same unmanaged switch. Said switch is connected to a

Sep 21, 2025

cant ping device which is directly connected

The switch has a layer 3 port whose IP is 172.30.0.2. I can ping my PC from the switch but when I introduce the

Feb 12, 2026

Switch is working but will not ping?

Once all the changes had been saved, the switch & pc ip addresses were now able to be pinged. However, back in

May 01, 2026

Unable to ping/Scan Profinet PLC Device Through Siemens

The Switch has several other VLANs for other IT infrastructure. Issue: I can successfully ping and scan the Profinet

Oct 23, 2025

Unable to ping switch

Hi, I''ve got this one Catalyst switch on my network that I am not able to ping, except in rare situations (like earlier

Aug 06, 2025

New Switch can''t be pinged

Hi all, I have 3 cisco cbs-350''s that are all connected to each other and can all be pinged and accessed when on the

Jun 23, 2026

Solved: Cannot ping Lan Devices from Vlan

While the poe works great, the machines connected to the switch can only communicate among each other and

Jan 29, 2026

A Switch Cannot Be Pinged by a Directly Connected Device

If a switch is directly connected to another network device, ensure that the connected ports have the same type and VLAN

Nov 24, 2025

Can''t ping a Directly Connected Switch

Hello, Dears I have set-up a small network based on two cisco 2960xr switches with IP Lite

Mar 09, 2026

Devices connected to switch cannot ping the internet, but the

I just can''t see what I need to do to get a host connected to the switch to talk to the internet. The switch itself can, but a device

Aug 28, 2025

Why can''t i ping the LAN port of the device with PC?

Having issues pinging a device through the LAN port to a PC via Ethernet. The device is not directly, connected to

Feb 26, 2026

Not able to ping PC connected with Ethernet cable

When my PC is connected to the modem via LAN cable, I cannot ping it from my laptop when the laptop is also

Oct 29, 2025

Why can''t I ping the next hop router on a directly connected network?

I can ping from Network A to both interfaces on Router 1 (192.168.10.1, 192.168.30.1) Even though Network B has been automatically

Jun 25, 2026

Nexus 7000 switch cannot ping another nexus 7000 when directly

Hello tsterling001, I spun up a test 2-node simulation, and used the default ANK settings to build initial configurations. After bootup, I

Jun 09, 2026

Unable to Ping PLC Device Through SCALANCE X108 in VLAN 101

Am I reading it correctly that you can PING/scan the X.21/X.22 devices, but not the X.9 PLC, when all are connected

May 23, 2026

Case Study: Directly Connected Devices Cannot Ping Each Other

Switch A and switch B cannot ping each other, and the OSPF neighbor status on switch A is Exchange. After switch

Apr 29, 2026

i cant ping the a switch from router directly connected

‎ 09-27-2023 11:32 PM - last edited on ‎09-27-2023 11:55 PM by shaiksh hi i configure on my lab, two routers R1 and R2 directly

Oct 15, 2025

Unable to ping router from switch : r/ccna

I''m currently training for my CCNA and am using Packet Tracer to build simple networks. I ran into an issue where I was unable to

Mar 15, 2026

i cant ping the a switch from router directly connected

Solved: hi i configure on my lab, two routers R1 and R2 directly connected and R1 is Connected RED network, and

Mar 21, 2026

Ping runs on switch directly but not from a device connected to switch

Hello Cisco community, i''ve got a weird problem. I have a server "A" connected to Gig2/0/18 as an access port

Jan 20, 2026

Devices connected to switch cannot ping the internet, but the

Devices connected to switch cannot ping the internet, but the switch can Hi! I have an annoying issue, and I think I am missing

Mar 30, 2026

Effective troubleshooting of industrial network communication failures

Troubleshooting industrial network communication issues should start with network diagnostics, not PLC code or sensor checks,

Jun 02, 2026

Unable to ping/Scan Profinet PLC Device Through Siemens

I can ping the two PLC devices (192.168.101.21, 192.168.101.22) that use Modbus over TCP/IP. However, when the

Oct 27, 2025

I can communicate to the plc but can''t ping it

I can communicate to all of the plcs remotely through rslinx but can''t ping to any of them unless I connect directly to

Aug 09, 2025

Solved: Can''t ping host from switch

I configured another interface for that and I connected the new host. These 2 hosts, same VLAN, can ping each other

Nov 28, 2025

IT can''t ping PLC. : r/PLC

Can you ping with it directly connected to your laptop? Test the cable directly, just because lights are on doesn''t mean it''s working.

Jul 23, 2026

Ping Request Fails or Times Out

Check the network connections between the PC and the device you are pinging. Verify that the device being pinged

Oct 07, 2025

Case Study: A PC Cannot Ping an Industrial Control Device Directly

A PC and an industrial control device are connected to the S5735S-H24S4XC-A switch. The industrial control device uses a 100M

Jan 26, 2026

VLAN q: can ping switches, but not attached devices on new VLAN

I''m having difficulty seeing devices at either end of a new VLAN, and I cannot figure out why. What is puzzling is that

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