Cisco switch port not working

Author: dmyn

August undefined, 2024

WebMar 19, 2014 · In response to jay.digwa. Options. 11-02-2016 04:45 AM. But the weird part is IF we set the Cisco Interface to 100 Full, the link goes down. If I set to Full Auto, it goes back to 100 Half. If your router is set at Auto/Auto then MDI/MDI-X is enabled. If hardcoded, then MDI/MDI-X is disabled. WebI have stack of 5 switches connecting to core switch via port-channel and everything seems working fine. But the strange thing is TRUNK PORT STATUS shows UP on 5th switch but there is no LED light on it. Please suggest if any of you have faced similar issue. Thanks CCNA Certification Community Like Answer Share 9 answers 584 views

Why would certain network switches stop working, others are fine?

WebAug 21, 2024 · Switching SFPs not working 35314 0 6 SFPs not working Go to solution db1 Beginner Options 08-21-2024 12:06 AM - edited ‎03-08-2024 03:56 PM Hi All, I have a really bizarre problem. On one site we have a Cisco WS-C3750X-48P stack with C3KX-NM-10G modules and some SFP modules. Some are from Cisco (SFP-10G-SR) some are … WebWork with Senior Network Engineers to complete the network build and deploy Cisco devices into production. Supported day to day Network Operational requests configuring VLAN's and Switch ports ... siaf ceeteps

Troubleshooting LAN Switching Environments - Cisco

WebMar 7, 2024 · Not sure what is going on, but all of a sudden there are about 5-7 port on the 48 port 3850 switch where it will not boot the phone. There are other phones connected to the same switch which is working fine. I have tried the following and none of this has worked. power inline never. cdp disable. then. power inline auto. cdp enable. Nothing ... WebSkilled in Cisco Networking, Code Division Multiple Access Method (CDMA), Databases, Ethernet, and Switches. Strong information technology professional with a Master's degree focused in Computer ... WebApr 5, 2016 · We have a cisco ws-c2960s-48fps-l, the problem is from port number 25- 32 are not working.. we tried shut no shut.. nothing no response from port. is it hardware issue? if yes what should be done? if not hardware isssue? what could be the issue and its solution. 2 people had this problem I have this problem too Labels: Other Switching 0 … the pearl condo rent

Port with VLAN not working on Cisco switch - Stack …

Port-Authentication (dot1x) not working - Cisco Community

WebJun 10, 2024 · The switch is showing 100U as an administrative VLAN but not an operation VLAN. I'm unsure why this is, and plugging into this port doesn't work. The switch functions normally and other ports work fine. Screenshot of config page attached: cisco vlan config 1 and 19 are configured exactly and same, port 19 works fine with 100U but port 1 doesn't. WebThis switch operates on Cisco IOS Software and supports simple device management on top of network management. Powerful Performing Cisco 2960X Switches. With Flex Stack Plus, the Cisco 2960X can stack up to 8 switches with 80 Gbps of stock throughout, as well as providing easy device onboarding, configuration, monitoring, and troubleshooting. siaf clasesWebJul 25, 2013 · The ports are not broken, as other devices work on the same ports. Also, if I just take the cable from one of the ports that doesn't work and plug it into another port, it works fine. ... Odd Wired/Wireless Behavior Difference with Cisco Switch and Airplay (Bonjour) Device. 2. siaf ayacucho

"WebJul 25, 2013 · Usually, the port marked 'uplink' is wired for crossover connections to other switches/routers, and other ports are setup for straight-through connections to client devices. I've also seen some switches that have a hardware toggle to change the wiring scheme of a port. " - Cisco switch port not working

Cisco switch port not working

Solved: Physical Fiber Connection Issue - Cisco Community

WebWipro Limited. Mar 2024 - Present2 years 2 months. Pune, Maharashtra, India. Working with prospective clients to agree, scope and plan the delivery phase of engagements. Contributing to developing the market for cloud security services across all sectors, identifying sales opportunities and working with senior practice leaders and market ... WebJun 6, 2024 · I have a Cisco C2960-L switch & Cisco 1921 router. I have configured port gi0/16 on the switch to be the trunk port. I have two vlans (1-30). Port gi0/1 on the switch is on vlan 30. I have my laptop plugged into port gi0/1 on the switch and I CAN NOT ping the router (192.168.1.254). I CAN ping the router and get internet access on all other ...

Did you know?

WebPlease, check ip/ping connectivity between vlan221 and DHCP server (172.16.0.109) İf connectivity is succesful, try to connect laptop (with wired) for test. - if laptop can't get ip address, please check DHCP server scope configuration and parameters. Maybe you should control the logs on DHCP server. Web@Aaron: A multi-port bridge isn't a hub, though-- it's a switch. Any bridge, even a two port bridge, can be considered an Ethernet switch (since it forwards frames basd on MAC / port adjacency). The basic act of switching-- using a MAC / port table to intelligently transmit frames only to the appropriate port-- doesn't at all rely on STP.

WebSwitch-A> (enable) set port speed 1/1 auto Port (s) 1/1 speed set to auto detect. Switch-A> (enable) Note: Once a duplex mode of a port has been configured to something other than auto, the only way to configure the port to auto sense its duplex mode is to issue the set port speed {mod_num/port_num} auto command. WebSep 27, 2024 · Supported Catalyst Switches. This section lists the Cisco Catalyst Switches that support the Cisco SFP Transceiver Modules. Note: If a module / device supports both 100M SFP and Gigabit Ethernet SFP transceiver modules, they can be used at the same time on appropriate ports. However, it does not support different types of …

WebApr 22, 2011 · switchport mode trunk no shut Also, though this part is not a link issue, make sure your VTP config is correct so that you don't have vlan problems. 0 Helpful Share Reply jeremiah.nelson Beginner In response to Antonio Knox 04-25-2011 06:32 AM I guess I'm not understanding why the copper connection works but the fiber doesn't? Jeremiah … WebApr 1, 2014 · you need to set all non switch ports to spanning tree port fast as this is well known to cause issues with DHCP requests when a port first connects due to it being in blocking mode until spanning tree has done its stuff. regards ken View solution in original post 0 Helpful Share Reply paul driver VIP Expert In response to Prince K Mathew Options

WebJun 5, 2024 · Issue is like below. When login, and check the status of these ports . it shows UP. But physical LED of that port is down and not working. I check same cable to connect with other port of same switch (Gi4/0/45) then it works fine.no err-disable or any looping issue.!! Speed and duplex are default from both side (user and port).

WebNov 1, 2024 · The Cisco switch tries to negotiate the speed at 10G as the Edge 840 is capable of operating at 10G speed, but the Cisco switch is never successful so the port remains down. While Support first encountered this issue on a Cisco C2960 switch, this issue may be encountered on other Cisco switches and routers. siaf antenatal screeningWebNov 4, 2014 · The problem solved by power cycle the switch. Reload command didn't solve it. This article is helpful http://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst3750/software/troubleshooting/g_power_over_ethernet.html Anyway, thanks for your advice. Have a nice day. Regards, Syafiq 0 Helpful Share Reply … sia fancy dressWebJun 11, 2024 · to the 10gb port fiber on the 9200, and that was the reason, that it was not working. I was sure that all SFP ports on the other device are 10gb, but it was not true. only two ports are 10gb, and all the others sfp are 1gb SFP. Now everything is working. Thank you for your help. Best Regards. Ivan Zabaluyev. 0 Helpful Share Reply thaidv3 … the pearl daybreakWebMay 12, 2024 · Login to switch. 2. issue command show IP interface brief, you get VLAN associated with IP address. 3., if you looking to get the device 10.2.0.0 - not the VLAN with above mentioned command what VLAN 4. you decide which port you like to have that IP addres to assinged to device. do below steps : config t the pearl dadelandWebFeb 16, 2015 · 2. Add the following commands to the switchport you are working with: spanning-tree portfast spanning-tree bpduguard enable authentication control-direction both authentication event fail action next-method authentication host-mode multi-auth authentication order dot1x mab. sia fashionsWebA partial failure of a switch isn't abnormal in my experience. In the case of your failure, the parts of the switch that handled keeping the lights on, for example, kept running fine. The physical interface hardware (the PHYs) probably kept running just fine (since you were probably seeing "lights" out on the far ends of the connections). the pearl daoWebApr 3, 2009 · One common cause of inactive ports on switches that run Cisco IOS is when the VLAN they belong to disappears. This can occur when interfaces are configured as layer 2 switchports that use theswitchportcommand. Every port in a Layer 2 switch … This figure shows a switched network without VTP pruning enabled. Port 1 on … the pearl country club