🔀 Industrial Switches

112votes

3answers

6,234views

How does PoE work and what are IEEE 802.3af, 802.3at, and 802.3bt standards?

PoE IEEE 802.3af IEEE 802.3at 802.3bt

answered by Karen Mitchell (6,890 rep) · 1 month ago

98votes

4answers

5,120views

What is ERPS and how does it compare to STP/RSTP for ring redundancy?

ERPS STP RSTP ring redundancy G.8032

answered by Viktor Petrov (11,800 rep) · 18 days ago

87votes

4answers

4,823views

What is the difference between managed and unmanaged industrial switches?

managed switch unmanaged switch industrial ethernet VLAN

answered by James Wilson (15,420 rep) · 1 month ago

96votes

3answers

4,820views

How do I secure my industrial switch from cyber attacks?

network security cybersecurity IEC 62443 hardening

answered by Fatima Al-Rashid (5,430 rep) · 23 days ago

78votes

3answers

4,520views

What is VLAN and why is it important in industrial networks?

VLAN 802.1Q network segmentation industrial network

answered by James Wilson (15,420 rep) · 1 month ago

82votes

3answers

4,230views

What are the differences between Layer 2 and Layer 3 switches?

Layer 2 Layer 3 routing OSPF VRRP

answered by James Wilson (15,420 rep) · 29 days ago

82votes

3answers

4,210views

How do I select the right switch for video surveillance networks?

video surveillance PoE cameras IGMP NVR

answered by Carlos Mendez (8,100 rep) · 24 days ago

75votes

3answers

3,980views

What is SNMP and how do I use it to monitor switches?

SNMP network monitoring NMS MIB

answered by Lisa Park (7,890 rep) · 27 days ago

72votes

3answers

3,890views

What is QoS and how do I configure it on an industrial switch?

QoS traffic priority DSCP 802.1p

answered by Lisa Park (7,890 rep) · 26 days ago

73votes

3answers

3,820views

How do I select SFP modules that are compatible with my switch?

SFP compatibility SFP+ optical modules third-party SFP

answered by Rajesh Kumar (11,200 rep) · 21 days ago

78votes

3answers

3,820views

What are the key features of industrial switches used in substations?

substation IEC 61850 PRP HSR power utility

answered by Thomas Mueller (18,500 rep) · 25 days ago

70votes

3answers

3,650views

What are common causes of switch port flapping and how to fix?

port flapping troubleshooting link issues SFP diagnostics

answered by Dmitri Volkov (5,680 rep) · 20 days ago

71votes

3answers

3,560views

How much power budget do I need for a PoE switch?

PoE budget PoE calculation power planning switch selection

answered by Karen Mitchell (6,890 rep) · 24 days ago

67votes

3answers

3,450views

How does STP prevent network loops?

STP spanning tree 802.1D loop prevention

answered by Viktor Petrov (11,800 rep) · 22 days ago

68votes

3answers

3,450views

What is IP40, IP54, IP67 - understanding ingress protection ratings?

IP rating IP67 enclosure ingress protection

answered by James Wilson (15,420 rep) · 1 month ago

64votes

3answers

3,421views

What operating temperature range should I look for in industrial switches?

operating temperature wide-temp switch industrial grade harsh environment

answered by Thomas Mueller (18,500 rep) · 28 days ago

60votes

3answers

3,210views

How do I properly ground and shield an industrial switch installation?

grounding EMI shielding installation

answered by James Wilson (15,420 rep) · 26 days ago

63votes

3answers

3,120views

What is PTP (IEEE 1588) and why do industrial networks need it?

PTP IEEE 1588 time sync industrial

answered by Thomas Mueller (18,500 rep) · 17 days ago

62votes

3answers

3,120views

How do I plan switch deployment for a smart city project?

smart city urban deployment safe city city networks

answered by Emma Thompson (6,540 rep) · 19 days ago

65votes

3answers

3,120views

What is IGMP Snooping and why enable it?

IGMP Snooping multicast IEC 61850 video multicast

answered by Thomas Mueller (18,500 rep) · 21 days ago

58votes

3answers

2,950views

What is port mirroring and how do I use it for troubleshooting?

port mirroring SPAN packet capture troubleshooting

answered by Fatima Al-Rashid (5,430 rep) · 20 days ago

58votes

3answers

2,890views

What is the future of industrial ethernet switching?

future TSN SPE industry trends

answered by James Wilson (15,420 rep) · 8 days ago

54votes

3answers

2,890views

How do I choose between rack-mount and DIN-rail industrial switches?

DIN rail rack mount form factor deployment

answered by James Wilson (15,420 rep) · 22 days ago

55votes

3answers

2,890views

How does 802.1X port-based authentication work?

802.1X authentication RADIUS port security

answered by Fatima Al-Rashid (5,430 rep) · 19 days ago

56votes

3answers

2,840views

What is MSTP and when should I use it instead of RSTP?

MSTP RSTP 802.1s spanning tree

answered by Viktor Petrov (11,800 rep) · 17 days ago

52votes

3answers

2,670views

What is DHCP Snooping and why enable it?

DHCP Snooping security rogue DHCP network protection

answered by Fatima Al-Rashid (5,430 rep) · 18 days ago

48votes

3answers

2,650views

What is Link Aggregation (LACP) and when should I use it?

LACP link aggregation 802.3ad redundancy

answered by Viktor Petrov (11,800 rep) · 19 days ago

48votes

3answers

2,650views

What is the role of MAC address table in switches?

MAC table CAM table switching fundamentals learning

answered by Michael Chen (8,420 rep) · 14 days ago

51votes

3answers

2,560views

What is the difference between switching capacity and forwarding rate?

switching capacity forwarding rate Mpps performance

answered by Viktor Petrov (11,800 rep) · 13 days ago

47votes

3answers

2,450views

What is EMS/EMC and why does it matter for industrial switches?

EMC EMI EMS industrial standards

answered by Viktor Petrov (11,800 rep) · 15 days ago

46votes

3answers

2,450views

What is BPDU Guard and how do I use it?

BPDU Guard STP security port security edge ports

answered by Fatima Al-Rashid (5,430 rep) · 13 days ago

49votes

3answers

2,410views

What are dual power inputs and why are they important?

dual power redundant power industrial power reliability

answered by Thomas Mueller (18,500 rep) · 15 days ago

44votes

3answers

2,340views

What is LLDP and how does it help with network management?

LLDP network discovery topology 802.1AB

answered by Fatima Al-Rashid (5,430 rep) · 14 days ago

44votes

3answers

2,340views

What is stacking and how does it differ from clustering?

stacking clustering high availability network scaling

answered by James Wilson (15,420 rep) · 16 days ago

42votes

3answers

2,180views

How do I calculate the correct number of ports for my industrial switch?

port count switch sizing network design capacity planning

answered by Dmitri Volkov (5,680 rep) · 16 days ago

41votes

3answers

2,180views

What does MTBF mean for industrial switches?

MTBF reliability specifications failure rate

answered by James Wilson (15,420 rep) · 12 days ago

39votes

3answers

2,130views

What is the difference between store-and-forward and cut-through switching?

store-and-forward cut-through switching methods latency

answered by Viktor Petrov (11,800 rep) · 11 days ago

38votes

3answers

1,980views

How do I handle jumbo frames in industrial networks?

jumbo frames MTU 9000 throughput

answered by Lisa Park (7,890 rep) · 11 days ago

36votes

3answers

1,890views

What is fiber optic bypass and why use it in industrial networks?

fiber bypass failsafe ring network fault tolerance

answered by Viktor Petrov (11,800 rep) · 10 days ago

34votes

3answers

1,780views

What is loop detection and how is it different from STP?

loop detection network protection broadcast storm access port

answered by Fatima Al-Rashid (5,430 rep) · 9 days ago