Cisco port up down
WebAug 20, 2013 · Another Live Example of port monitoring with sms/email/voice alert system in DUDE. In my network, I have few Cisco switches at various departments connected via FIBER optics. Recently we were having issue of network connectivity in between various switches and devices. I already have a very good setup of Mikrotik base DUDE … WebJul 28, 2024 · I want to know the activity of switchport , for example : the port has been err-disable cause attenuation, and how many % loss; or the port down at what time its on/off (the timeline activity) 0 Helpful Share Reply Georg Pauwen VIP Master In response to sonph Options 07-28-2024 04:30 AM Hello, you can use any of the output modifiers listed below.
Cisco port up down
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WebFeb 5, 2024 · When I connect the router to the public IP, te interface goes Status down, protocol down, when I connect it to the DHCP connection everything it's up, the interface works and my router goes to internet, not even the led … WebMar 13, 2009 · In reply to Switch Port goes down & up after few seconds.. Ensure that the other ened it set to match your full duplex mode, so if your port is set to full duplex ensure that the nic on the...
WebAug 20, 2007 · In my experience when a cable is not plugged in the Ethernet/Fast Ethernet will show to be line up line protocol down, which is the exact symptom that you report. I suspect that if someone physically checks the connection that they will find that the interface is not connected to a switch or anything. HTH Rick HTH Rick Webthe interface up or down ; the line protocol up or down. The interface up status is determined by testing checking for the carrier signal coming across the interface. The line protocol up status is when the router receives the …
WebCisco ethernet interfaces are normally down / down if they don't have a link. If you're seeing up / down, the most likely causes are: Cable fault; Speed mismatch (I personally haven't seen a duplex mismatch bring an intf up / down) is cable that connected to the local interface, but not connected to the far end switch, will cause that situation? WebMay 19, 2006 · Loopback Tests. If the output of the show interfaces pos command indicates that the serial line is up but the line protocol is down, use loopback tests to determine the source of the problem. Perform a local loop test first, and then a remote test. Refer to Understanding Loopback Modes on Cisco Routers for guidance.
WebJul 6, 2024 · With local loopback the TX is connected to the RX at the port level inside the router. This test excludes the SFP and the cables in the packet path. Failure of the port to come up or ping itself with a local loop indicates a problem with the Cisco Router. If this is the case contact Cisco TAC to troubleshoot it further.
WebJan 13, 2011 · It is normal to show the port as up/down monitoring, as long as it is functioning properly. Sometimes when you configure a monitor (SPAN) session, the destination interface shows the down status (monitoring) by design. The port state is shown in this state to make it evident that the port is currently unusable as a production port. how do i redeem a lord and taylor gift cardWeb19.38 ms. * Times displayed are PT, Pacific Time (UTC/GMT 0) Current server time is 03:05. We have tried pinging Cisco website using our server and the website returned the above results. If cisco.com is down for us … how much money does jailbreak makeWebMay 10, 2024 · You could try and set the keepalive timer on your switchports to something higher than the highest interval seen in your logs, say 20 minutes. That woud mean that the switchport would not go down even after not getting a response from the connected … how much money does jack grealish earnWebDec 27, 2016 · Below you will find the examples of how to bring up and down an interface on a CISCO switch or router. On the CISCO command-line interface, there is the shutdown interface configuration command to disable an interface and the no shutdown command to enable it.. I will show the examples of these commands, as well as how to check an … how do i redeem a giving good gift cardWebJun 14, 2014 · The easiest way on Cisco switches is: show int status This will show you the link status for all ports The 45xx line has also some additional useful commands: show int link which will show you the last time the link was active. Also you can use (it is disruptive for the port): test cable-diagnostics tdr interface xx/yy and then how much money does jaden smith haveWebIt's up/up for a while but suddenly it becomes up/down. I've read this may be related to the clocking (which I've already check is the same both in the terminal emulator and the usb port used as serial) or the encapsulation done differently, although I've no idea how to check this. Can you give me a hand? how do i redact pdfWebJul 28, 2024 · Normally you can identify this situation if the port has many packet errors, or the port constantly flaps (loses and regains link). Check the Cable and Both Sides of the Connection If the link light for the port does not come on, you can consider these possibilities: Ethernet Copper and Fiber Cables how do i redeem a tracktion code