Question about Trendware TRENDnet TFC-1000 (TFC-1000MSC) Media Converter

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I have a TrendNet TFC1000 MEdia converter and I cannot get it to negotiate with my core Cisco swith. I have tried changing the DIP settings on the TrendNet box but it still will not negotiate with the core

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TFC-MSC1000/TFC-MST1000 doesnt not have Auto MDIX so make sure you connect the TFC to a Gigabit(1000Mbps) port on the Cisco switch. If it is connected to a 10/100Mbps, you cannot get a link light

Posted on Aug 17, 2010

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Can you run a cico 2901 router with netgear fs728tp switches in a hybrid network environment?


Way make it so hard for yourself? The media converter may be trying to assign a DHCP address in addition to the router.



Hope this helps!

Sep 02, 2014 | NetGear FS728TP-100NAS 24-Port Ethernet...

1 Answer

Greetings i am using a cisco adsl 2 wireless modem router,what do i need to get to upgrade from a 4 port TRENDnet TE100-S55E switch to a 12 port TRENDnet patch panel,I need advice on what type of chal


Keep your 4-port and just purchase a netgear or linksys 8-port switch. This will increase your port count to 12, but you burn two ports on uplinking. If you need more ports, just get a 16-port switch then. I believe this will be the most cost effective solution.

May 15, 2014 | Cisco Catalyst 4006 Chassis ( 4006)

1 Answer

Connecting cisco 851 cable to virgin media superhub problems?


Did you follow instructions on the manual , re install the driver .

Dec 27, 2013 | Cisco Computers & Internet

1 Answer

Connecting Cisco 851 cable to virgin media super hub Problem


are you using the cable modem as your router? if so then simply hard code your media hub to a static ip address in the same range that the router/modem communicates on. (private address side)

Dec 27, 2013 | Computers & Internet

1 Answer

Cisco SD208P switch is slowing connections...please help!!


Try new CAT 5/6 cable or limited bandwidth. Plus NIC's respond differently withing Speed and Duplex settings. Test between auto and 100 full, and 10 full negotiation on PC. Network Connections > Right click > Properties > Configure > Advance > Speed & Duplex > Value. Might also be bottle necking as 10Mbs instead of taking advantage of of higher through puts.

Aug 09, 2012 | Cisco (SD208P) 8-Port Ethernet Switch

2 Answers

Hello, I have a Linksys SRW2016 and 2048 switches with one cisco 1800 series router. I have successfully created two vlans on one switch and when i try to connect a trunk port to cisco router it...


Make sure that the frame encapsulation is set on the router to 802.1q on each of the sub-interfaces. You could also try fixing the speed and duplex on both the router and the switch in case there is a problem negotiating the speed and duplex.

Hope that helps!

Oct 04, 2010 | Linksys SRW2016 (745883562435) 16x1000...

1 Answer

Cisco AS5300 gateway FoIP problem


Once I had a problem with Ethernet auto negotiation, fax-es and AS5300. all links in fax IP path had to be set to fixed configuration (ex. 100 Mbps full-duplex).

Cisco equipment could not autonegotiate link speed by itself (VG248, C3550 and AS5350), so it tried every few seconds to re-negotiate ethernet link speed, and those extra packets broke fax transmision over IP. Voice worked OK, at the same time.

Hope it helps..

Nov 14, 2008 | Cisco AS5300 (AS535-4E1-120-AC) Gateway

1 Answer

WS-GS5486


If you have device A connected to device B over a Gigabit link, and the link does not come up, perform this procedure.
Step-by-Step Procedure
1. Verify device A and B use the same GBIC, short wavelength (SX), long wavelength (LX), long haul (LH), extended wavelength (ZX), or copper UTP (TX). Both devices must use the same type of GBIC to establish link. An SX GBIC needs to connect with an SX GBIC. An SX GBIC does not link with an LX GBIC.

2. Verify distance and cable used per GBIC as defined by Cisco.

3. If either device has multiple Gigabit ports, connect the ports to each other. This tests each device and verifies that the Gigabit interface functions correctly. For example, you have a switch that has two Gigabit ports. Wire Gigabit port one to Gigabit port two. Does the link come up? If so, the port is good. STP blocks on the port and prevents any loops (port one receive (RX) goes to port two transmit (TX), and port one TX goes to port two RX).

4. If single connection or Step 3 fails with SC connectors, loop the port back to itself (port one RX goes to port one TX). Does the port come up? If not, contact the Cisco TAC, as this can be a faulty port.

5. If steps 3 and 4 are successful, but a connection between device A and B cannot be established, loop ports with the cable that adjoins the two devices. Verify that there is not a faulty cable.

6. Verify that each device supports 802.3z specification for Gigabit auto-negotiation. Gigabit Ethernet has an auto-negotiation procedure that is more extensive than the one used for 10/100 Ethernet (Gigabit auto-negotiation spec: IEEE Std 802.3z-1998). When you enable link negotiation, the system auto-negotiates flow control, duplex mode, and remote fault information. You must either enable or disable link negotiation on both ends of the link. Both ends of the link must be set to the same value or the link cannot connect. Problems have been seen when you connect to devices manufactured before the IEEE 802.3z standard was ratified. If either device does not support Gigabit auto-negotiation, disable the Gigabit auto-negotiation, and it forces the link up.warning.gif Warning: Disabling auto-negotiation hides link drops or physical layer problems. Disabling auto-negotiation is only required if end-devices such as older Gigabit NICs are used which cannot support IEEE 802.3z. Do not disable auto-negotiation between switches unless absolutely required to do so, as physical layer problems can go undetected, which results in STP loops. The alternative is to contact the vendor for software/hardware upgrade for IEEE 802.3z Gigabit auto-negotiation support

Feb 02, 2008 | Cisco (GBIC-LX/LH) Expansion Module

1 Answer

Vhs pal video not working


Change the DIP switch to PAL, unplug the unit (no power), then plug it back in. You need to power-cycle the unit to after changing DIP switch settings.

Also make sure that your capture application is set to PAL mode, if there is a NTSC/PAL setting.

Nov 22, 2007 | Canopus ADVC-110 A/D Converter...

3 Answers

Switch port


switch setting
int f0/1
speed 100
dup full


and lan card shuld be shud be more then 100mbps or 1gb
then it will conect to full duplex means


u have to to any device shud have same duplex

Aug 11, 2007 | Cisco Catalyst 2950 24x10/100 Mbps...

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