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petek
@petek
Trusted Member
Joined: Feb 27, 2025
Last seen: Sep 22, 2026
Topics: 6 / Replies: 39
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RE: 1756-EN2T solid red NET LED after a spare went in, duplicate IP on another line

Own switch isn't own network. If both panel switches uplink to the same core on one VLAN then it's one flat layer 2 domain, and a duplicate address is...

3 weeks ago
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RE: TIA V17 can't find the S7-1500, device not accessible, but ping works

Which adapter is the cable actually in, and which one does the ping leave on? Run route print and look at the interface for 192.168.10.0. Any switch b...

3 weeks ago
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RE: TIA V18 hardware catalog stops at V4.5, new S7-1200 CPU is firmware V4.6

6ES7 214-1AG40-0XB0, same as the old one on the rig. So what's missing in the catalog? And what's an HSP, I saw the word in a search result but not wh...

3 weeks ago
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RE: PRONETA and TIA V17 find no PROFINET devices from the engineering VLAN, ping works

It matters. Different subnets means there's a router sat between you and the line. What switch is it, and where does the engineering PC plug in?

3 weeks ago
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RE: RSLinx shows red X on 1756-EN2T in RSWho, ping works from the same laptop

Switch model? If it's an L3 core with the two VLANs routed, I think Bill's right, broadcast stops at the SVI. Wireshark on the laptop would show your ...

3 weeks ago
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RE: S7-1500 diagnostics buffer "Distributed I/O: station failure" every few minutes

Switch model, if any. And are the devices daisy chained through their own ports, or is there a switch in the middle? If you mirror one port and see t...

3 weeks ago
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RE: Finding compressed air leaks with a CompactLogix instead of a soap bottle

1000 litre receiver. Loads at 6.2 bar, unloads at 7.0.

3 weeks ago
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RE: Stratix 5700, four cells down after a tech patched two switch ports together

A broadcast comes in one port, goes out the patched port, comes back in the other, and with spanning tree off there's nothing to stop it, so within se...

3 weeks ago
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RE: S7-1200 ET 200SP "Not reachable" after renaming the device in TIA V17

What switch is the rig on now, and does the wifi go through a router to get there? Accessible devices is DCP, layer 2. It stops at the first router, ...

3 weeks ago
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RE: eWON Cosy 131 online in Talk2M but ping to the S7-1200 behind it times out

Before the firmware. What's the IP range of the network your laptop is on right now, home or office? ipconfig, the adapter with the default gateway. A...

4 weeks ago
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RE: 1791ES-IB16 safety connection times out a few times a day since a new managed switch

Get IT to mirror that port for a day. Nothing dropped means latency, not loss.

4 weeks ago
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RE: 1791ES-IB16 safety connection times out a few times a day since a new managed switch

Switch model first. And what did IT enable on it, IGMP snooping, storm control, anything QoS? Same VLAN as before or did they move ports? A managed sw...

1 month ago
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