Cisco ME 3400 - User Manual

Other manuals for Cisco ME 3400

Command Reference Guide872 pages

Command Reference950 pages

Getting Started Guide32 pages

Hardware Installation Guide88 pages

Questions and Answers

A
Amanda BoothJul 29, 2025
What to do if my Cisco ME 3400 Switch has no connectivity?
- R
  Randy TorresJul 29, 2025
  If your Cisco Switch has no connectivity, it might be due to an incorrect or faulty cable. Ensure you're using the correct type of cable (straight-through or crossover as needed). If unsure, enable the automatic medium-dependent-interface crossover (auto-MDIX) feature. Also, verify the cable is wired correctly and isn't damaged; if necessary, replace it with a tested, working cable. For 1000BASE-T connections, use a twisted four-pair, Category 5 cable. After making these checks, allow 30 seconds for the port LED to turn green.
J
jason24Aug 2, 2025
Why does my Cisco ME 3400 have poor performance or excessive errors?
- J
  John MasonAug 3, 2025
  Poor performance or excessive errors on your Cisco Switch can stem from a duplex autonegotiation mismatch. Also, check the cabling distance; exceeding specified limits can cause issues. If port statistics show excessive frame check sequence (FCS), late-collision, or alignment errors, it may be due to exceeding cabling distance or other cable issues. Reduce the cable length to within recommended distances. For connections involving repeaters or SFP modules, consult their respective documentation for cabling guidelines.
J
jasonreynoldsAug 8, 2025
What to do if Cisco ME 3400 Switch port is placed in error-disabled state after SFP module is inserted?
- S
  Susan FaulknerAug 8, 2025
  If a Cisco Switch port enters an error-disabled state after inserting an SFP module, the cause might be a faulty or non-Cisco-approved SFP module. Remove the current SFP module and replace it with a Cisco-approved one. To verify the port status, use the errdisable recovery cause gbic-invalid global configuration command, and then set a time interval to allow the port to recover from the error-disabled state.
B
Brad AndersonAug 13, 2025
How to fix Cisco Switch that does not recognize the SFP module?
- J
  Jennifer Evans PhDAug 13, 2025
  If your Cisco Switch doesn't recognize the SFP module, first check if the SFP module is correctly oriented and not installed upside down. Then, remove the SFP module to inspect the connector, the module itself, and the module slot for any physical damage. If no damage is visible, try replacing the current SFP module with a known good SFP module to rule out a faulty module.
P
Philip TurnerAug 18, 2025
Why are there unreadable characters on the management console of my Cisco Switch?
- T
  Tracy HardyAug 18, 2025
  If you see unreadable characters on the management console of your Cisco Switch, it's likely due to an incorrect baud rate. Reset the emulation software to 9600 baud.
Z
Zachary McconnellAug 23, 2025
What does an amber system LED on my Cisco ME 3400 mean?
- M
  Mitchell TaylorAug 23, 2025
  If the system LED on your Cisco Switch is amber, it indicates a fatal POST error has been detected. Contact Cisco Systems.

Cisco ME 3400 Specifications

General

Category	Switch
Rack Mountable	Yes
Jumbo Frame Support	Yes
Authentication Method	RADIUS, TACACS+
RAM	128 MB
Flash Memory	32 MB
Power Device	Internal power supply
Model	ME 3400
Layer	Layer 2
MAC Address Table Size	8000 entries
Remote Management Protocol	SNMP, Telnet, SSH, HTTP, HTTPS
Features	VLAN support, IGMP snooping, Quality of Service (QoS)
Compliant Standards	IEEE 802.3, IEEE 802.3u, IEEE 802.1D, IEEE 802.1Q, IEEE 802.3ab, IEEE 802.3x
Memory	128 MB
Power Supply	AC 120/230 V (50/60 Hz)
Dimensions (H x W x D)	4.4 cm x 44.5 cm x 24.2 cm
Routing Protocol	Static routing