Cisco interface is down line protocol is down
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 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.
Cisco interface is down line protocol is down
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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 ... 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 ...
WebOct 5, 2024 · * VLAN interface exists and is not administratively down. * At least one L2 (access port or trunk) port exists and has a link up on this VLAN. In your case, since you do not add any layer 2 access port to the VLAN, you need to check whether the trunk port is in Forwarding state for the VLAN. 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 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 … WebMar 10, 2024 · Cisco Community Technology and Support Networking Switching VLAN line protocol is down 6612 0 4 VLAN line protocol is down henderson.john Beginner Options 03-09-2024 08:49 PM - edited 03-08-2024 09:41 AM Hi and thanks in advance, I have a 2960XR that will act as a layer 3 router for multiple VLAN's.
WebIssue the shutdown first, then issue the "no keepalive" command, then bring the interface back up. It should show up/up at this point and hold that state indefinitely (for a GE, anyhow). Turning keepalive tracking off while the interface has already marked itself down isn't going to bring it up. Share Improve this answer Follow
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. basecamp bike talloiresWebMay 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. sw 7558 medici ivoryWebSep 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. sw6h positivoWebMar 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 … sw7up.cbnu.ac.krWebIs 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 Interface GigabitEthernet1/0/1, changed . Stack Exchange Network. Stack Replace network consists of 181 Q&A communities including Stack Overflow, ... basecamp bgWebline protocol down (monitoring) i have configured switch port to trunk here the port configuration: interface gi6/14 switchport mode trunk switchport nonegotiate spanning … basecamp bestandenWebFastEthernet 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. sw7u- 7 -09uhvdxc