Question about Cisco Catalyst 3560-E 24-Port Gigabit Ethernet Switch (WS-C3560E-24TD-E)

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After unplugging the UTP cable the LED stays,Cisco 3560 Poe 48por

After unplugging the UTP cable the LED stays on,even though the port shows as down?What causes this?

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The light may stay on due to static in the switch. It will automatically go off after some time when the static gets discharged.

Posted on Apr 29, 2010

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The power devices that Cisco Catalyst 2960 Series Support?


The Cisco Catalyst 2960-48PST-L can support 48 PoE ports with total PoE power output capacity at 370W. Taking advantage of Cisco Catalyst Intelligent Power Management, the Cisco Catalyst 2960-48PST-L configuration can deliver the necessary power to support 24 ports at 15.4W, 48 ports at 7.7W, or any combination in between.

The Cisco Catalyst 2960-24PC-L can support 24 simultaneous full-powered PoE devices at 15.4W for maximum powered-device support.

The Cisco Catalyst 2960-24LT-L can support eight PoE devices at 15.4W
Cisco Catalyst 2960 Switches for the details

Aug 15, 2014 | Computers & Internet

1 Answer

How do I connect cable modem to cisco 3560 switch and configure it?


The cable modem will need to go through a router because it needs a NAT and PAT translation table, connecting the cable modem direct would lose the ability to get to the internet.

Jun 05, 2012 | Cisco Catalyst Compact 3560-C PD PSE -...

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Can I use Cisco interconnect SFP cable for Catalyst 3560 for connection two SFP-gigabit ports on Cisco Catalyst 3750?


While I am not 100% sure if you can or not, Cisco makes a Stack cable for the 3750s that is specifically designed to do what you are requesting. I recommend you get one of those instead. The SKU is CAB-STACK-50CM.

I hope this helps.

Jun 24, 2011 | Cisco Catalyst 3560 SFP Interconnect Cable...

1 Answer

I am trying to add an additional PoE device, put it will not power up. How can I tell the switch to power up a specific port, or put the switch into automatic mode?


Are you within the power budget?

Power feeding of Ethernet is limited for fixed 10BASE-T/100BASE-TX ports. The solution can provide maximum output power per PoE port up to 15.4W on 12 ports or 7.5W on 24 ports simultaneously. The Switch provides independent overload and short-circuit protection for each port, LED indicators for power status per PoE port, and supports IEEE802.3af MIB for Power over Ethernet functionality.
For each attached 802.3af-compliant device, the Switch automatically senses the load and dynamically supplies the required power. The Switch delivers power to a device using the two data wire pairs in the twisted-pair cable. Each port can provide up to 15.4W of power at the standard -48 VDC voltage.

Source: http://www.cisco.com/en/US/products/ps9967/products_qanda_item09186a0080a36afb.shtml

Mar 19, 2011 | Cisco Systems 24-Port SF 300-24P 10/100...

1 Answer

One way audio on NEC ITL 12 button IP Phone at remote site. Main site has IP Phones which are working fine. IP Phone connected to Cisco 3560 24 port poe switch. Switch connected to 2801 router. Point to...


This is likely a config problem on the NEC or a hardware/software issue on the NEC. Do a Wireshark capture on the NIC on both ends. Examine the RTP streams and see if they are intact. You may have to decode the stream from UDP to RTP depending on if it is a peer to peer call or if it is going through the 8100. Plenty of documentation on how to do that at Wireshark's website.

Aug 01, 2009 | NEC Computers & Internet

1 Answer

Can we able to trunk one vlan to another vlan


interface GigabitEthernet0/1
switchport access vlan X
!
interface GigabitEthernet0/2
switchport access vlan Y
!
interface GigabitEthernet0/3
description trunk port
switchport mode trunk
switchport trunk allowed vlan X,Y

Aug 19, 2008 | Trendware 8PORT SMART POE SWITCH SNMP VLAN...

3 Answers

Inline power problem: cisco ip phone 7941G


You need to ensure that each port that has a phone plugged into it is configured with power over ethernet configured switched on.

Mar 20, 2008 | Cisco 7940 IP Phone

2 Answers

Hardware Problem


Probably a bad power supply. Is it getting through power on self test? Any LEDs illuminated when you power it on? Best way is to first connect a terminal configured at 9600,N,8,1 to the console port and then power it on. If you see it running through self test in a few (10-30) seconds, then it's starting up, watch the screen for any errors. If not, then your power supply is probably shot.

Nov 14, 2007 | Cisco Catalyst 3560-24PS Switch

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