Cisco interface is down line protocol is down

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August undefined, 2024

WebAug 26, 2004 · 08-26-2004 11:00 PM. Hello, I shutted down/up the interface. After I have configured the "errdisabled recovery ...", but my interface is now in the "notconnect" status with both interface and line protcol down: === sh int ===. GigabitEthernet0/4 is down, line protocol is down (notconnect) WebMay 6, 2005 · The reason for the line protocol of interface VLAN 151 being down is because GigabitEthernet4/10 link is not connected, as seen from the interface status. It is possible that no device is connected to the interface or that the link has cabling or auto-negotiation issues preventing the link from being up.

Cisco port down and notconnect after changing port speed

WebThis is show interface's output: #sh interfaces gigabitEthernet 0/21. GigabitEthernet0/21 is down, line protocol is down (err-disabled) Hardware is Gigabit Ethernet, address is 0013.c39d.1f88 (bia 0013.c39d.1f88) Description: vlan_public. MTU 1500 bytes, BW 10000 Kbit, DLY 1000 usec, reliability 255/255, txload 1/255, rxload 1/255 WebApr 6, 2024 · This chapter describes the Cisco IOS command-line interface (CLI) and how to use it to configure your switch. Understanding Command Modes; Understanding the Help System ... line protocol is down GigabitEthernet1/0/1 is up, line protocol is down GigabitEthernet1/0/2 is up, line protocol is up Accessing the CLI. You can access the … fixing holes in socks

Troubleshooting Serial Line Problems - Cisco

WebJun 30, 2024 · m@ttshaw. ghost chili. Cisco Expert. check 108. thumb_up 207. Jun 18th, 2024 at 7:58 AM. down/down implies the port is enabled but down - but double check it … WebApr 11, 2024 · This chapter describes the Cisco IOS command-line interface (CLI) and how to use it to configure your switch. Understanding Command Modes; Understanding … Webline protocol down (monitoring) i have configured switch port to trunk here the port configuration: interface gi6/14 switchport mode trunk switchport nonegotiate spanning … fixing holes in knitting

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Solved: Line Protocol down - Cisco Community

WebFastEthernet 0/1 is showing down. This could indicate a layer 1 problem like a broken cable, wrong cable (crossover instead of straight-through) or maybe a bad NIC. Note that this interface is running in half duplex. If you are lucky you might get a duplex message through CDP that tells you that there is a duplex mismatch. 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. can my hamster eat a pin cranian flowerWebJun 18, 2024 · post below information to understand the issue : 1. show version. 2. show switch. 3. show ip interface brief. 4. show logging attached to the thread to understand logs. Here's some information regarding the environment. The switch stack goes back to the Core Switch in the MDF via fiber. fixing hole in vinyl siding

"WebApr 7, 2024 · We are using a ipsec vpn tunnel through these ports as well. R1: R1#show interfaces serial 0/2/1. Serial0/2/1 is up, line protocol is down (disabled) Hardware is HD64570. Internet address is 50.0.0.1/24. MTU 1500 bytes, BW 1544 Kbit, DLY 20000 usec, reliability 255/255, txload 1/255, rxload 1/255. Encapsulation PPP, loopback not … " - Cisco interface is down line protocol is down

Cisco interface is down line protocol is down

Using the Command-Line Interface - cisco.com

WebMar 30, 2024 · CLOSING: The secure socket for the interface has been closed. A new socket can be opened for the interface, in which case, the current secure socket makes the transition to the DOWN state. Otherwise, the interface becomes UNCONFIGURED. UNCONFIGURED: Authentication is not configured on the interface. WebApr 3, 2024 · Device(config-router)#bfd all-interfaces Example: Device(config-router)#bfd interface FastEthernet 6/0: Enables BFD globally on all interfaces that are associated with the EIGRP routing process. or . Enables BFD on a per-interface basis for one or more interfaces that are associated with the EIGRP routing process. Step 5. end. Example: …

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WebJun 22, 2009 · The port LED is set to the orange color and, when you issue the show interfaces command, the port status shows as Errdisabled. Following is an example of what an error-disabled port looks like: switch#show int G1/0/1 GigabitEthernet1/0/1 is down, line protocol is down (err-disabled) To find out the main reason for err-disable state. WebMar 5, 2024 · When the interface status is up and the line protocol status is down on a FastEthernet interface it is typically a sign that nothing is plugged in or that there is a problem with the connection. Can you check and tell us whether something is plugged …

WebFeb 22, 2010 · * VLAN interface exists on the router and is not administratively down. * At least one L2 (access port or trunk) port exists and has a link up on this VLAN. The latest implementation of the autostate feature allows synchronization to Spanning-Tree Protocol (STP) port status.A VLAN interface will be brought up after the L2 port has had time to ... Webline protocol down (monitoring) i have configured switch port to trunk here the port configuration: interface gi6/14 switchport mode trunk switchport nonegotiate spanning-tree portfast trunk spanning-tree bpduguard disable sh int gi6/14 gi6/14 is up, line protocol is down (monitoring) can any one help please? Enterprise Certifications Community

WebSep 1, 2012 · TenGigabitEthernet4/4 is down, line protocol is down (inactive) Hardware is Ten Gigabit Ethernet Port, address is 6400.f159.bdc7 (bia 6400.f159.bdc7) MTU 1500 bytes, BW 10000000 Kbit, DLY 10 usec, reliability 255/255, txload 1/255, rxload 1/255 Encapsulation ARPA, loopback not set Keepalive set (10 sec) WebIs go a way to check the interface link up / down on the ASA, such as with this console since follows: Jul 25 02:00:15.268: %LINEPROTO-5-UPDOWN: Line protocol on …

WebMar 26, 2008 · What you describe (interface up/down is the physical layer and line protocol up/down is the layer 2 status) is the case for most serial interfaces. It is not the case for Ethernet/FastEthernet interfaces. I am not sure what it would take for an Ethernet/FastEthernet to show down/down. HTH Rick HTH Rick 0 Helpful Share Reply …

Webup, line protocol is up — This is the proper status line condition. No action is required. Serial x is down, line protocol is down (DTE 1 mode) The router is not sensing a CD2 signal (that is, the CD is not active). A telephone company problem has occurred—line is down or is not connected to CSU3/DSU4. Cabling is faulty or incorrect ... can my hamster eat carrotsWebSep 9, 2005 · Use the show interfaces serial EXEC command to determine if the line status changes from "line protocol is down" to "line protocol is up (looped)," or if it remains down. If the line protocol comes up when the CSU or DSU is in local loopback mode, this suggests that the problem is occurring on the remote end of the serial connection. fixing holes in jon boatWebI have different VLANs configured on it and its working perfectly. Now i have added another VLAN (SVI) and assigned that VLAN to one of the port , but VLAN interface is still … can my hamster eat hamWebJan 7, 2008 · Ethernet0 is administratively down, line protocol is down: This output indicates that a local interface has been manually shut down using the shutdown command. The Show IP Interface Command. The show ip interface command will provide details regarding layer 3 configuration on the interfaces. Using this command you can … can my hamster eat grapesWebSep 9, 2005 · You can identify five possible problem states in the interface status line of the show interfaces serial display (see Figure 15-1): Serial x is down, line protocol is down Serial x is up, line protocol is down Serial x is up, line protocol is up (looped) Serial x is up, line protocol is down (disabled) can my hamster eat celeryWebNo, it is point-to-point at layer-3. Switch interfaces are layer-2 interfaces, but if you can address it, then you have enabled layer-3 and it is a router interface. In any case, the … fixing holes in metalWebI am using Cisco packet tracer.I connected two routers using a crossover cable.My interface gigabitethernet0/0 is up while the line protocol is down (disabled) . I used the no shutdown option.I also changed the speed and the duplex to auto mode.Still the line protocol is down.How to correct this? Router#sh int fixing holes in plasterboard