2. They generally refer to whether Layer 1 is working (line status) and whether Layer 2 is working (protocol status). Specify a particular module number to see information on the ports on that module only. To drill down for additional port information, use either the Device View or Summary View, and double-click any port. Not sure what the issue is. Right now, this 10G port is connected to a NIC in a PC, but there is no traffic going in or out. 2.This command will enable the messages. The switch show interfaces command lists the two-code status just like routers. Text Is this "status up/protocol down" normal? The two codes are named line status and protocol status. The port is flapping since morning. Right now, this 10G port is connected to a NIC in a PC, but there is no traffic going in or out. Cisco Status "Monitoring" Posted by StPaddy. [SOLVED] Cisco Status "Monitoring" - Spiceworks Community Additional tabs include: Layer 1 goes down and then up. Best Answers. Port on switch down/down (notconnect) - Cisco show interfaces FastEthernet 1/0/1 status show interfaces gigabitEthernet 2/0/1 transceiver. The interfaces that are "up" are in the connected state. Guidelines The following guidelines apply to the use of TDR: † If you connect a port undergoing a TDR test to an Auto-MDIX enabled port, the TDR result might be invalid. I usually use "show interface status" and variations on it but I also use a neat piece of open-source software called "Switchmap" to provide a simple graphical view of the interfaces. Thanks. How to detect port changes in real time on Cisco 4506 R2#show inter fa 0/0. Just issue the command "show monitor" and remove the commands for the SPAN session and the port will then be returned to the "connected" state. show interface status - Cisco One great benefit of this is that if a port is up/down it will tell you how long . Solved Cisco. Status codes of an interface can be displayed using the show interface TYPE command, e.g.:. To prevent incompatible configurations, follow these steps on a previously configured switch that you plan to add to the stack: 1. Note some switches the default is shutdown. Cisco Content Hub - Checking Port Status and Connectivity Checking Port Status You can display summary or detailed information on the switch ports using the show port command. Cisco Status "Monitoring" Posted by StPaddy. Solved: Port status up and down and up again - Cisco Community How can we find out what is plugged in to the port. GigabitEthernet10/17 is down, line protocol is down (notconnect) Hardware is Gigabit Ethernet Port, address is 0006.f612.bac0 (bia 0006.f612.bac0) In mac table, there are no entries. Each line displays the interface, configured IP address, link status up/down and Administrative status up/down. Next thing - there should be no green light if the link is down . What can cause "FastEthernet is up, line protocol is down" on a Cisco ... How to find the port Uptime/Downtime status or utilization in ... - Cisco show interfaces status command with no arguments. The | include connected shows only the lines of the output that contain the word "connected". I just bought a Cisco 3750X switch and when I did a sh ip int brief command, I see that my TE1/1/1 interface (it's a 10G port) has status up but protocol down. It is really useful on cases like mine where you don't know the mac or IP addresses. Gi2/0/5 up down Wireless AP 116 show int status Gi2/0/4 Wireless AP 114 connected 195 a-full a-1000 10/100/1000BaseTX . . Cisco switch Link status Up, Protocol down - Super User Cisco Switches Interface Status Codes - takistmr.com down/down implies the port is enabled but down - but double check it is not admin down on either end. Cisco Expert. Cisco ethernet interfaces are normally down / down if they don't have a link. 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. Interface status codes can tell you whether an interface on a Cisco router or a switch is working. To display summary information on all of the ports on the switch, enter the show port command with no arguments. 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?
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