Line protocol is down inactive. The switch is connected with active DAC cables to the .

Line protocol is down inactive Router is connected to a latop with a crossover POS6/0 is up, line protocol is down!--- The line protocol is down . 201 YES manual up up Vlan1 unassigned YES unset administratively down down s0/0/0口的状态如下： hhcj_sta3526_A(config-if)#do sh int s0/0/0 Serial0/0/0 is up, line protocol is down (disabled) Port 6 is inactive in the LAG. 1177. 一般来说比较不会是 keepalive Individual link goes down Line protocol on Interface Ethernet7/1, changed state to downn sw1 Lag: %LAG-5-MEMBER_REMOVED: Interface Ethernet7/1 has left Port-Channel10 sw1 Ebra: %LINEPROTO-5-UPDOWN: Line protocol on Interface Ethernet7/1, but inactive ports: Port Reason unconfigured ----- ----- Ethernet7/1 Waiting in LACP Negotiation Current configuration : 180 bytes ! interface GigabitEthernet1/26 description **** Servers **** switchport access vlan 800 switchport mode access spanning-tree portfast spanning-tree bpduguard enable end ===== ==== One busted port from bottom shelf/module of ports === ===== Core4500#>show int gi2/9 GigabitEthernet2/9 is down, line protocol is TenGigabitEthernet2/1/5 is down, line protocol is down (notconnect) Hardware is Ten Gigabit Ethernet, address is a478. interface ethernet1/1/10:1 no shutdown ip forward-protocol nd!! no ip http server no ip http secure-server ip route 6. bb0b. 引起接口物理DOWN的原因主要包括硬件和软件两类故障： 当显示 "Line protocol is down (disabled)" 时，意味着该网络接口的物理链路已建立，但线路协议被禁用，导致无法传输数据。IP 地址配置错误：如果为 PPP 接口配置了 IP 地址，确保 IP 地址的分配和子网掩码设置正确。检查使用的认证协议（如 PAP、CHAP）是否正确配置，并确保用户名和密码与对端设备的配置 It has been seen the following link up/down messages on the forty gig ports in the logbuffer: Line protocol on the interface FortyGigE1/0/52 is up. ageouts : 0 TLS client handshake failures : 0 TLS server handshake failures : 0-----Printing Detailed Connection Report----- Note: GigabitEthernet0/0/3 is down, line protocol is down Internet protocol dodi#show interfaces serial 5/0 Serial5/0 is down, line protocol is down rxAIS inactive txAIS inactive, rxRAI inactive, txRAI active; PA-MC-T3: show controllers T3. I found trouble on switch2(f0/2 and f0/3) after checked with #show interface f0/2 is FastEthernet0/2 is down, line protocol is down (disabled) Hardware is Lance, address is 000a. sh int e1/16 Ethernet1/16 is down (inactive) Hardware: 1000/10000 Ethernet, address: 000d. Cisco Catalystスイッチは、インターフェースの接続状態を監視することができます。機器を接続しているインターフェースの状態が、リンクアップからリンクダウンに変化した場合は何かしらの障害が発生している可能性があり、原因を切り分ける必要があります。前提条件本記事で実機操作を FastEthernet0/24 is down, line protocol is down (notconnect) Last input never, output never, output hang never. dd46. I rebooted it and can access via Hyperterminal, but I cannot ping the IP addre RTR12410-2#show interface pos 6/0 POS6/0 is up, line protocol is down !--- The line protocol is down. line protocol is {up | down} Indicates whether the software processes that handle the line protocol consider the line usable (that is, whether keepalives are successful) or if it has been taken Serial1/0 is up, line protocol is down (Looped) aud. 4254 (bia a44c. Asa version is 8. 1 (protocol is UP). somnath. 5901) MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec, reliability 255/255, txload 1/255, rxload 1/255. It is not the case for Ethernet/FastEthernet interfaces. Traveling in loopback is down line protocol down inactive or line protocol FastEthernet0/47 is down, line protocol is down (err-disabled) 接口状态是err-disable。 sw1#show interfaces status Port Name Status Vlan Duplex Speed Type Fa0/47 err-disabled 1 auto auto 10/100BaseTX 如果出现了接口状态为err-disable，show interfaces status err-disabled命令能查看触发err-disable的原因。 Hi guys, thanks for your answers so far! Well, it is more a general query, as I would like to know what is considered as the line-protocol. 69a1 (bia a478. !--- You need to investigate why this line protocol is not up !--- (at least one L2 port exists, and there should be a !--- link up on this VLAN). status defined, inactive. 0679. Like Liked Unlike Reply. of the switch , even a different 3640 and i always get the same behavior. so the correct answer Virtual-Access1 is up, line protocol is down Hardware is Virtual Access interface MTU 1500 bytes, BW 56 Kbit, DLY 100000 usec, reliability 255/255, txload 1/255, rxload 1/255 Encapsulation PPP, loopback not set DTR is pulsed for 5 seconds on reset Interface is bound to Di1 (Encapsulation PPP) 查看接口状况：GX-SW-2950-01#sh interfaces f0/2FastEthernet0/2 is down, line protocol is down (e. 1!!!! control-plane!! line con 0 exec-timeout 0 0 privilege level 15 logging synchronous stopbits 1 line aux 0 exec-timeout 0 0 文章浏览阅读3. L2 Vlan also created in the switch. %Jan 28 04:29:00:782 2020 siqicangku LLDP/6/LLDP_CREATE_NEIGHBOR: New neighbor created Dte and down line protocol is down the myseq and framing errors, static address resolution and framing format on the encapsulation. 4. 0104 (bia 00e0. 1. I'm scratching my head for now %Jun 9 22:44:04:549 2021 C5-HX-S12508-1 IFNET/5/LINK_UPDOWN: -MDC=1; Line protocol on the interface FortyGigE1/9/0/3 is down. %Jan 1 13:34:48:739 2013 DZYJS-SW-S5130-F3 LAGG/6/LAGG_INACTIVE_PHYSTATE: Member port XGE1/0/49 of aggregation group BAGG23 changed to the inactive state, because the physical state of the port is down. 7702 (bia >如果接口是 suspend/error-disable，一般是 protocol down，需要根据 port-channel 和physical interface 的配置，逐步排查： >通过show system internal event-history info ex/y 和 show system internal event-history interface L2_MDF#sh interface Gi1/0/7 controll GigabitEthernet1/0/7 is up, line protocol is up (connected) Hardware is Gigabit Ethernet, address is 548a. 124. 8. Users are plugged in 本帖最后由 skyming_bluce 于 2020-8-7 19:56 编辑 监控系统发现交换机接口状态异常，登录查看接口状态，show interface g0/27, 显示接口up，线路协议down （notconnect）， 怀疑接口硬件出问题了，不甘心，继续尝试，本来接口下是有准入控制的，去掉准入策略后接口线路协议就up起来了， 敲上命令authentication port GigabitEthernet9/24 is up, line protocol is down (monitoring) @ MX-STAFE-A-P3#sh conf | include monitor . If show interfaces shows up/line protocol up (connected) but you see errors increment in the output of either command, refer to the Common Port and Interface Problems I wonder what can cause that the first line output of the command "show interfaces" will be: "fastEthernet is up, line protocol is down". Resolution: use "show interface port-channel 1" to check the status. no monitor session 1 source interface gi9/24 All throughout my network I'm seeing the line protocol on our switches go up and down lik a yoyo. 1 Router3#show ip int Serial0/0 102 Serial0/1 201 inactive Serial0/0 103 Serial0/2 301 inactive Serial0/0 is up, line protocol is down Hardware is PowerQUICC Serial Internet address is 172. Internet Address RTR12410-2#show interface pos 6/0 POS6/0 is up, line protocol is down !--- The line protocol is down. 2. 1 YES manual up up FastEthernet1/0 - As soon as I configure the link to be an access port, the link goes down, flagging "inactivity" E. I can't ping to the IP address on the serial interface. Encapsulation ARPA, loopback not set. Switch#show interface port-channel 1 Port-channel1 is down, line protocol is down (notconnect) Use shutdown and no shutdown to turn the interface on. Follow answered Jul 18, 2012 at PVC Status Inactive The router learns all the DLCI provisioned by the service provider Frame Relay switch through LMI and then it tries to use them, the line protocol of the interface will be down and the best command to troubleshoot this scenario is “show frame-relay lmi” which will show you the increasing number of LMI status timeouts Solved: NOTE: PoC is attached below R2 INTERFACE: Interface IP-Address OK? Method Status Protocol FastEthernet0/0 2. Any hints ? thanks. 1/24. Serial0 is up, line protocol is down 若 interface up, 但 line protocol down, 这个是 Data-link Layer 的问题. %Jul 3 02:34:56:757 2024 INF60-01 IFNET/5/LINK_UPDOWN: Line protocol state on the interface GigabitEthernet1/0/4 changed to down. f379. There are a couple of things that can result in an interface being administratively down. 1 is down, line protocol is down. 可能原因：keepalive 问题, 或是 frame 封装的问题. All forum topics; Previous Topic; Next Topic; 3 Replies 3. 4001) MTU 1500 bytes, BW 100000 Kbit/sec, DLY 100 usec, reliability 255/255, txload 1/255, The output of the show interfaces serial exec command shows that the interface and line protocol are down, or that the interface is up and the line protocol is down. There Hi, I have a LAN where BGP routing is configured. 4917) Description: Uplink-To-Firewall MTU 1500 bytes, BW 1000000 Kbit/sec, DLY 10 usec, reliability 255/255, txload 1/255, rxload 1/255 Encapsulation ARPA, loopback not set Keepalive set (10 sec) Full-duplex, 1000Mb/s, media type is I established a VPN between two routers and using OSPF as dynamic routing protocol but the routers are NOT neighbors because tunnel line protocol is down. 但是如果交换机的 Hi everyone, I am having an issue with with my router in packet tracer. 2/29 MTU 1500 bytes, BW 1544 Kbit/sec, DLY POS6/0 is up, line protocol is down!--- The line protocol is down . Typically, the interface up / line protocol down is shown when an Ethernet cable is not plugged in or is being disconnected from the port. Hardware is Packet over SONET MTU 4470 bytes, BW 2488000 Kbit, DLY 100 usec, rely 255/255, load 1/255 Encapsulation HDLC, crc 32, loopback not set !--- The loopback has not been set. I'm done with all configurations and I also connected a host to the router but the line protocol is still down. 0 255. Any assistance will be welcomed please. It had an err-disable on its GigabitEthernet port. Is that the case? Could you post the output of show ip interface brief taken at a time when the tunnel is up and then again from a time when the tunnel is down? GigabitEthernet1/5/1 is up, line protocol is down (suspended) Hardware is C6k 1000Mb 802. I've set the tunnel source and destination for both routers with the loopback interfaces, and all I wonder what can cause that the first line output of the command "show interfaces" will be: "fastEthernet is up, line protocol is down". Serial1/0 is up, line protocol is up (looped) Thanks. Below is my config . Can anyone tell me how to bring this interface back up? It's a 1252 with 80211. I'm assuming this is using LACP, so make sure the TrueNAS is configured as an LACP LAG and both ports are members. The Dell switches show "line protocol is down," and the interfaces are This document describes how to troubleshoot a packet over SONET (POS) router interface that has a line protocol status of "down". up, the line protocol is down. Here are the screenshot of configs: RZ1XCF01#sh interface Port-channel28 Port-channel28 is down, line protocol is down (notconnect) Hardware is EtherChannel, address is 001b. 20. %Jul 11 18:46:17:263 2016 ccy01swbuag1342-ab23 LAGG/6/LAGG_INACTIVE_PHYSTATE: Member port FGE1/0/51 of aggregation group BAGG10 changed to the inactive state, because the physical state of the Solved: Connection between our core switch to access switch is showing suspended for etherchannel interface interface GigabitEthernet1/0/2 switchport mode trunk channel-group 2 mode on end interface GigabitEthernet1/0/1 switchport mode trunk Serial0/2/1 is up, line protocol is down (disabled) Hardware is HD64570. When you do a no shut on an Also the show interface shows "line protocol is down (err-disabled) "GigabitEthernet0/7 is down, line protocol is down (err-disabled) Hardware is Gigabit Ethernet, address is 001e. Loss of noise or line is assigned to the conditions. Both ends show the link is up. 4e61) Description: *** Po28, 2 CU E Router#sh interfaces Serial1/0 is administratively down, line protocol is down Hardware is HD64570 MTU 1500 bytes, BW 1544 Kbit, DLY 1000 usec, rely 255/255, load 1/255 Encapsulation HDLC, loopback not set, keepalive set (10 Here is the information requested from my bad router: show frame-relay pvc PVC Statistics for interface Serial0/0 (Frame Relay DTE) Active Inactive Deleted Static Local 0 0 1 0 Switched 0 0 0 0 Unused 0 0 0 0 DLCI = 210, DLCI USAGE = LOCAL, PVC STATUS = DELETED, INTERFACE = Serial0/0 input pkts 0 output pkts 108 in bytes 0 out bytes 9066 The behavior of Ethernet interface is different in this particular case - when a wire is inactive or not plugged in. com. Cannot find the source of the problem. monitor session 1 destination interface Gi9/24 . 3207) display interface Ten-GigabitEthernet 1/0/33 Ten-GigabitEthernet1/0/33 Current state: UP Line protocol state: UP IP packet frame type: Ethernet II, hardware address: e8f7-24b9-411c Description: "palays port" Bandwidth: 10000000 kbps Loopback is not set Media type is optical fiber, port hardware type is 10G_BASE_SR_SFP 10Gbps-speed mode, full Solved: hi all, we have sniffer hooked to switch and it shows GigabitEthernet1/0/12 is up, line protocol is down (monitoring) sh monitor detail Session 1 ----- Type : Local Session Description : - Source Ports : RX Only : None TX Only : None We had a 3560 go down today. If you are connected to a hub or another router , check the device that this is connected to and or check the cable for physical issues . Rick GigabitEthernetx/x is down, line protocol is down (monitoring) Hardware is C6k 1000Mb 802. 5200. d4f7. HTH. 85d7 (bia SW2 Lag: %LAG-5-MEMBER_REMOVED: Interface Ethernet7/1 has left Port-Channel10 due to: partner not in sync SW2 Ebra: %LINEPROTO-5-UPDOWN: Line protocol on Interface Port-Channel10, changed state to down SW2 Ebra: %LINEPROTO-5-UPDOWN: Line protocol on Interface Ethernet49/1, changed state to up SW1#show interfaces fa0/3 FastEthernet0/3 is down, line protocol is down (notconnect) Hardware is Fast Ethernet, address is 0011. Mark as New; Bookmark; Subscribe; Mute; GigabitEthernet1/0/1 is down, line protocol is down (notconnect) Hardware is Gigabit Ethernet, address is 00df. 11; Fortigate 200F FortiOS 6. !--- Line protocol on interface VLAN 151 is down in this output. 交换机 address protocol media Hardware . When I make my trip down to their work desk recently, it turns out that these few people are still using cat 5 lan cable. Hardware is Packet over SONET MTU 4470 bytes, BW 2488000 Kbit, DLY 100 usec, rely 255/255, load 1/255 Encapsulation HDLC, crc 32, loopback not set!--- The loopback has not been set. 41 # clock timezone Beijing add 08:00:00 clock protocol ntp # telnet server enable # irf mac-address persistent timer irf auto-update enable undo irf link-delay irf member 1 priority 20 irf member 2 priority 10 # dot1x dot1x authentication-method eap dot1x timer reauth-period 900 # mac The Interface says it is up, but line protocol is down. Cisco ethernet interfaces are normally down / down if they don't have a link. ece7. Keepalive set (10 sec) !--- The keepalive is set as every ten - What was done was simply to shutdown the interface on both swicthes, add the command channel group xx mode on on both side of the connection and then bring up the connection with the result above showed: one side up/down GigabitEthernet1/2 is up, line protocol is down Hardware is Gigabit Ethernet Port, address is 0004. 0 3. dodi#show controllers T3 4/0 T3 4/0 is down. Is the interface administratively down? Use the no shutdown config command to enable the interface. eonmediainc. when i reload the router and configured the F0/0 with ip address 192. 例如，三层物理接口连线正确，并且接口属性配置正常后，如果没有配置IP地址，则物理状态current state为UP，但协议状态Line protocol current state仍处亍DOWN状态。 接口物理DOWN原因及处理方法. I used packet tracer for simulation. 0. 16. is up on the port where the 3640 is connected. Use shutdown and no shutdown to turn the interface on. GigabitEthernet1/0/51 is down, line protocol is down (notconnect) Hardware is Gigabit Ethernet, address is 003c. The Author of this posting offers the information contained within this posting without consideration and with the reader's understanding that there's no implied or expressed suitability or fitness for any purpose. This is a first. 770a) Internet address is 192. Why for VLANs 130-150 is the Protocol DOWN? I c Hi, For unknown reason, two days ago, my network went down, I had to reboot the 3750 (core) to get it work. !--- Hello Everyone, i tried to make it up but coudnt get suceed. 10GigabitEthernet5 is up, line protocol is up Hardware is 10GigabitEthernet, address is 00e0. 255 IP MTU 1500 bytes (default) Up 2 minutes, 15 seconds Vxlan1 is down, line protocol is down (notconnect) Hardware is Vxlan Source interface is Loopback0 and is inactive All Class C networks, very simple setup. Serial0/0. R4#sh ip ospf interface. The VLAN interface exists and is not administratively down. %Jun 30 22:00:38:647 2020 H3C IFNET/5/LINK_UPDOWN: Line protocol state on the interface Ten-GigabitEthernet1/0/52 changed to down. 49b8 (bia 38ed. 7701 (bia 0004. The rest are using at least a cat 5e without having any issues. Enter configuration commands, GigabitEthernet1/0/51 is down, line protocol is down (notconnect) Hardware is Gigabit Ethernet, address is 003c. for LACP response Ethernet2 waiting for LACP response Switch#show int port No. 一. My thought process was to replace these cat 5 cable with at least a cat 5e and adjust the network adapter to be on full-duplex instead of auto-negotiation. But when I connect them I get this message 'serial is down line protocol is down' Can someone please guide me Thanks POS6/0 is up, line protocol is down!--- The line protocol is down . I cannot produce the issue on demmand, it is intermittent to a particular port but is an active issue across the network. 2(25) Cofniguration is %Jun 9 22:44:04:549 2021 C5-HX-S12508-1 IFNET/5/LINK_UPDOWN: -MDC=1; Line protocol on the interface FortyGigE1/9/0/3 is down. Switch#conf t Enter configuration commands, one per line. I am not sure what it would take for an Ethernet/FastEthernet to show down/down. 168. End with CNTL/Z. a line protocol is down on the FE interface. Receiver has loss of signal. 接口频繁up down 收发光没有问题接口下也没有错包，想知道还有什么原因引起的 RTR12410-2#show interface pos 6/0 POS6/0 is up, line protocol is down !--- The line protocol is down. Switch-A(config-if)# show interface gigabitethernet 0/3 Gi0/3 up, line protocol is up (connected) Bridge Port Type: Customer Bridge Port Hardware Address is Line Protocol down on S4048-ON TenGigabitEthernet port- DAC Cable to Fortigate 200D. 1856. A line protocol 已解决: 本帖最后由 xunil 于 2017-3-3 14:36 编辑 两台型号一样的思科交换机3560V2，在上面两台上面分别创建vlan700，并为int vlan 700配置IP地址，但是show int vlan 700的时个发现有一台交换机是Vlan700 is up, line protocol is down，而另一台protocol也是up，这是怎么一个情况？ When I show a switch interface information, there are line protocol and Link:. A user has no network connectivity. 7. 4917 (bia 5087. 3. 检查一下是否需要设定 clock rate, 以及两边封装方式是否一样. 6. The ability to mark an interface as "down" (in this situation) is used in order to remove any static routes in the routing table that use that interface as the GIVEN: 9300: vlan 8 SVI= 172. GigabitEthernet0/23 is up, line protocol is down (monitoring) Hardware is Gigabit Ethernet, address is 5087. 5901 (bia 00e0. In this case, we should use object tracking instead of interface tracking, to track not only the line protocol status (up/down), but 0 unknown protocol drops 0 babbles, 0 late collision, 0 deferred 0 lost carrier, 0 no carrier, 0 pause output 0 output buffer failures, 0 output buffers swapped out. Because as I mentioned before, I always thought that speed and duplex are physical attributes while the line-protocol is more protocol related, e. Line protocol on the interface Vlan-interface4094 is UP. monitor session 1 filter packet-type good rx . If the output shows that the PVC is inactive or deleted, there is a Vlan1 is up, line protocol is up (connected) Hardware is Vlan, address is 0242. Bias-Free Language. (Also make sure a good cable it plugged in) Share. Here is what I have try so far: 1 1) Unplug and plug back the cable 2) Changed # version 7. 79bb. Problem: I am unable to get a TenGigagbit port to the 4048 to establish the line protocol up. When you do a no shut on an interface, the interface I am unable to establish the LACP link between two infrastructures separated by approximately 20 km. I'm using Cisco Packet Tracer 5. 255. Check whether all the pins such as DCD, DSR, DTR,RTS,CTS are UP. GE 0/0/5, Admin is up, Link is up, Line protocol is down Speed :0 Mbps Interface index: 8194 Last clearing of "show interface" counters 10 day 16 hr 18 min 46 sec link status last changed 4 day 3 hr 14 min 50 sec 2794142 packets input, 1055694895 bytes (Inactive)) Trunking Native Mode VLAN: 140 (mobility management) 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. Do you guys have any clue as to why it would do this? The 6513 FastEthernet stated that it was up/up. Framing is M23, Line Code is B3ZS, Clock Source is Internal ARISTA01T2# ARISTA01T2#show running-config interfaces Port-Channel 1 interface Port-Channel1 no switchport ip address 10. We can take this a step further and only find interfaces that have been inactive for longer than one day: sh int | i (line All of a suddent the interfaces are showing up but line protocol down. The documentation set for this product strives to use bias-free language. 1/31 ipv6 enable ipv6 address fc00::2/126 ipv6 nd ra suppress port-channel min-links 2 ARISTA01T2# ARISTA01T2#show running-config interfaces Ethernet 1-2 interface Ethernet1 no switchport channel-group 1 mode active GigabitEthernet0/15 is down, line protocol is down (err-disabled) ! Switch_Colo_Cisco1#clear errdisable interface gigabitEthernet 0/15 vlan 103! Switch_Colo_Cisco1#sh port-security . Cisco ethernet interfaces are normally down / down they may need to be crossed over protection or not on the cable , they should pop out of the protection clip and be able to be changed around , all standard fiber cables usually can. 接口频繁up down 收发光没有问题接口下也没有错包，想知道还有什么原因引起的 Solved: Hi all, The line protocol is still down. Keepalive set (10 sec) !--- The keepalive is set as every ten A consequence is that, by default, the local tunnel endpoint router cannot bring the line protocol of the GRE Tunnel interface down if the remote end of the tunnel is unreachable. 69a1) Description: LAG to DELL MTU 1500 bytes, BW 10000000 Kbit/sec, DLY 10 The only conclusion that I can come up with is that the Line Protocol State always follows the Link State? Any thoughts would be much appreciated! "The Protocol column lists the line protocol for an interface. 1でLACPをすると、Windows2016のNICチーミングで LACPネゴシエーションエラーが発生します。 原因としては、スイッチ側のLine Protocol is downだとは思 Serial1/0 is up, line protocol is up 物理层和数链层工作正常。 注意：如果使用了错误的IP地址和子网掩码，因为是三层故障，一样会显示双UP。 Serial1/0 is up, line protocol is down 物理层工作正常，数链层问题，可能原 Here's some sh ints: interface Serial0/3/1:1 no ip address encapsulation ppp no fair-queue ppp multilink group 1 end Serial0/3/1:1 is up, line protocol is up Hardware is GT96K Serial MTU 1500 bytes, BW 1536 Kbit, DLY 20000 usec, reliability 255/255, txload 1/255, rxload 1/255 Encapsulation PPP, LCP Open, multilink Closed Open: CDPCP, loopback 1. mcaissie@nospam. The Interface says it is up, but line protocol is down. I have this problem too "Serial0 is down, line protocol is down" "Serial0 is up, line protocol is down" "Serial0 is up, line protocol is up" Frame Relay Characteristics IP Split Horizon Checking Ping Your Own IP Address on a Multipoint Frame Relay The Keyword broadcast Reconfiguring a Subinterface DLCI Limitations IP/IPX/AT Address RIP and IGRP Keepalive Serial Interfaces interface is up, the line protocol is down. I don't know what i did wrong. 1/24 IP Sending Frames' Format is PKTFMT_ETHNT_2, Hardware address is 0022-b130-0001 接口状态为DOWN，请执行除原因二之外的 Serial0/0/1 unassigned YES unset down down Loopback0 172. Improve this answer. Secure Port MaxSecureAddr CurrentAddr SecurityViolation Security Action Indicates whether the interface hardware is currently active (whether carrier detect is present), inactive, or has been taken down by an administrator. I tried a different cable , different port. How to fix this? Will appreciate your help. Labels: Labels: Other Routing; 0 Helpful Reply. ip routing is enabled. we observe line protocol up but some degraded traffic blow. 1 , #no shut 9300(config-if)# do sh int vlan 8 Vlan8 is down (VLAN/BD is down), line protocol is down, autostate enabled. from global config mode . Level 7 Options. 4001 (bia 00df. guruprasadr. If a TwinGig Convertor is plugged into the second hole, the X2 port 2 is inactive, and the SFP I have connected two 2600 routers back to back using DTE/DCE cable. Please see attached config file The initial post seems to be saying the the GRE tunnel is going into the state that Line Protocol is Down. Csico switch 3750, when connect a device to this port, the light on the switch is green, but the device doesn't get IP, and doesn see it belongs to any VLAN in sh vlan. 28. If you're seeing up / down, the most likely causes are: Cable fault OS10の10. i have worked many times with diffent speed and duplex for testing it really works. i have used Leased Line Router 1841 series. err-disabled状态的作用:通常情况下,如果交换机运转正常,其中端口一项显示为启用(enable)状态. 4e61 (bia 001b. Numerous ports on numerous switches have expeirenced the issues and I am struggling to ascertain why. if the Line status is up,a protocol status of down usually is caused by mismatched data link layer configuration For an example serial interfaces has their combination when one router has configured to use PPP(Point_to_Point Protocol) and other remains the default HDLC Hi, I have an issue with a router's fast ethernet interface. I'm student. X) and hit 192. physical interface down, or PPP session is down). I have set the clock rate 56000 at DCE end. RTR12410-2#show interface pos 6/0 POS6/0 is up, line protocol is down !--- The line protocol is down. 1. 3605 (bia 0011. On the Router %Jan 1 06:53:02:102 2013 UIS-Stor-SW01&02-IRF LAGG/6/LAGG_INACTIVE_CONFIGURATION: Member port XGE2/0/8 of aggregation group BAGG8 changed to the inactive state, because the aggregation configuration of the port is incorrect. I am also going to try with GNS3 very shortly. Please see attached config file for the config of the router. GigabitEthernet1/3/21 is down, line protocol is down (inactive) if still the issue not resolved we need to reset the line card manually, as I found one similar case where multiple 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 Typically, the interface up / line protocol down is shown when an Ethernet cable is not plugged in or is being disconnected from the port. 6w次，点赞9次，收藏22次。Serial1/0 is up, line protocol is up物理层和数链层工作正常。注意：如果使用了错误的IP地址和子网掩码，因为是三层故障，一样会显示双UP。Serial1/0 is up, line protocol is down物理层工作正常，数链层问题，可能原因：如果是DCE，检查Clock rate是否设置Keepalive信息没有收 I have a 3560 switch newl y installed and have created a mgmt VLAN (999) but the line prot is down and won't come up. The whole network is from chapter 8 (ip . Transmitter is sending remote alarm. Since that day, i have an amber led on port 13 of the 3750, which is connected to port 48 on a 2960 (distribution) switch that is also amber. 2. Keepalive set (10 sec) Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. Take care, Navneet. ba45. 0104) Configured speed 10Gbit, actual 10Gbit, configured duplex fdx, actual 2 L2-HYBRID down 00:00:00 Eth 1/1/23 (Inact) Eth 1/1/24 (Inact) show interface port-channel 2 Port-channel 2 is up, line protocol is down Address is 68:4f:64:5f:b7:00, Current address is 68:4f:64:5f:b7:00 Interface index is 85886082 Internet address is not set Mode of IPv4 Address Assignment: not set Interface IPv6 oper status: Disabled Line protocol down on an ethernet indicates . Scramble disabled Last Protocol Status refers generally two the layer to status. If you have a new router without a config, and do not go through the initial config dialog, the interfaces will be administratively down until you manually start them by entering no shutdown in interface config mode. If so, issue the !--- no shutdown command under the interface. Encapsulation ARPA, loopback not set LAGG/5/LAGG_INACTIVE_PHYSTATE: Member port GigabitEthernet1/0/28 of aggregation group BAGG1 becomes INACTIVE because the port's physical state (down) is improper for being attached. Solved: Hello. 49b 8) GigabitEthernet0/0 is up, line protocol is down (disabled) Hardware is CN Gigabit Ethernet, address is 00e0. Hi, I have a switch WS-C4507R + E, added two SFP SFP-10GBase-SR, and they stayed with inactive status, would like some help to activate these interfaces in 10Gb. The CU is not sending the clock. 8fc7. The cable connected from the router may be Bad. This is commonly seen problem in Initial Deployments. The switch is connected with active DAC cables to the FastEthernet0/47 is down, line protocol is down (err-disabled) 接口状态是err-disable。 sw1#show interfaces status Port Name Status Vlan Duplex Speed Type Fa0/47 err-disabled 1 auto auto 10/100BaseTX 如果出现了接口状态为err-disable，show interfaces status err-disabled命令能查看触发err-disable的原因。 Line protocol current state : Administratively DOWN Description : GigabitEthernet1/0/1 Interface, Route Port The Maximum Transmit Unit is 1500 bytes, Hold timer is 10(sec) Internet Address is 100. MTU 1500 bytes, BW 1544 Kbit, DLY 20000 usec, reliability 255/255, txload 1/255, rxload 1/255. Keepalive set (10 sec)!--- The keepalive is set as every ten seconds. 2 YES manual up up FastEthernet0/1 192. But I have a problem that I cannot solve. 99. c095. Internet address is 50. errdisable recovery cause link-monitor-failure . MTU 1500 bytes, BW 10000 Kbit/sec, DLY 1000 usec, reliability 255/255, txload 1/255, rxload 1/255. I started configuring it with CLI and then was using the web interface. I have also assinged IP addresses to the Serial interfaces. 7701) For example, if an X2 is plugged into the second hole, the X2 port 2 is active and SFP ports 9 and 10 are inactive. ae87 (bia 001e. 1/24 Broadcast address is 255. %Jul 3 02:34:56:824 2024 INF60-01 LAGG/6/LAGG_INACTIVE_PARTNER: Member port GE2/0/4 of aggregation group BAGG4 changed to the inactive state, because the aggregation configuration of its peer port is incorrect. Tunnel1 is up, line protocol is down The configuration of BPG Disclaimer. f533) Description: SW-02 UPlink to SW-01. Vlan 1 is shut down and 2 other vlan's exist Vlan 2 (user data) and vlan 700 (voice) which work fine. A check of the associated port indicates that the interface is. 1093. I can be on the MGMT network (192. Dynamic routing protocol is line protocol flaps rather than the line. Sub interfaces are configured on my ASA and the switch port conneting to firewall is configured as trunk. Scramble disabled Last 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. Line protocol state on the interface Ten-GigabitEthernet1/0/49 changed to down. line protocol up 消息显示了接口的数据链路层状态，表示该接口可以发送和接收 keepalive 消息。 Router#show interfaces fastEthernet 6/1 FastEthernet6/1 is down, line protocol is down (notconnect) !--- Reasons: In this case, !--- 1) A cable is not properly connected or not connected at all to this port. of inactive conn. 770a (bia 0242. 15 people had this problem. sh int g2/0/1 got: GigabitEthernet2/0/1 is down, line protocol is down (monitoring) Hardware is There are many reason for the line protocol down. conf t . Encapsulation ARPA, loopback not set The line state of an SVI is in the up state when all of these are true: The VLAN exists and is active in the VLAN database on the switch. line protocol. But on the switch i got the. It is always down if the Line status is down. f533 (bia 003c. 4254) MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec, reliability 255/255, txload So the interface is down and the line protocol is down. 3, address is a44c. Keepalive set (10 sec) !--- The keepalive is set as every ten But line protocol on my switch showing down. Encapsulation PPP, loopback GigabitEthernet0/1 is down, line protocol is down (err-disabled) S1#sh interfaces status err-disabled Port Name Status Reason Gi0/1 err-disabled psecure-violation 交换机端口一直在重复up/down. 070, Release 6530P02 # sysname 2Z-GYHLW-HJ-24. %Jun 30 22:00:38:651 2020 H3C LAGG/6/LAGG_INACTIVE_PHYSTATE: Member port GE2/0/4 of aggregation group BAGG4 changed to the inactive state, because the physical state of the port is down. Q However, the Port-channel does not come up and the AP is Inactive on CV-CUE. 89ed. If you are connected to a switch that the cable is not plugged in to the switch port or the switch port is disabled . 1d21. interface breakout 1/1/9 map 40g-1x interface breakout 1/1/10 map 10g-4x interface breakout 1/1/11 map 10g-4x . 3, address is (scrubbed) MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec, reliability 255/255, txload 1/255, rxload 1/255 Encapsulation ARPA, loopback not set Keepalive set (10 sec) Auto-duplex, Auto-speed input flow-control is off, output flow-control is desired %Dec 20 11:17:23:438 2024 H3C LAGG/6/LAGG_INACTIVE_PHYSTATE: Member port XGE1/0/0/17 of aggregation group BAGG17 changed to the inactive state, because the physical or line protocol state of the port was down. If the line protocol comes up when the CSU or DSU is in When the WAN interface are virtual one, such as Dialer, Tunnel, the interface does not go down even if the WAN status actually inactive (i. Expand Post. Solved! Go to Solution. I have tried several times to get the line protocol up but i some how just cant get it to start. It shows, the Port-channel1 is down. %Jan 1 13:34:48 Solved: Hi, i appreciate if anybody could help me. Good day, Hardware: Dell S4048-ON version OS 9. 3605) MTU 1900 bytes, BW 10000 Kbit, DLY 1000 usec, reliability Here is my topology in gns3: I plan to form a tunnel between R3 and R4, and the loopback and tunnel interface is as shown next to the routers. For the purposes of this documentation set, bias-free is defined as language that does not imply discrimination based on age, disability, gender, racial identity, ethnic identity, sexual orientation, socioeconomic status, and intersectionality. 1 AND also 192. 关于思科交换机err-disabled状态的一切. I have this problem too. ae87) MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec, reliability 255/255, txload 1/255, rxload 1/255 Resolution: use "show interface port-channel 1" to check the status. ercntsw1#show int te2/1/4 TenGigabitEthernet2/1/4 is down, line protocol is down (notconnect) Hardware is Ten Gigabit Ethernet, address is 38ed. Line protocol state on the interface Ten-GigabitEthernet2/0/8 changed to down. Keepalive set (10 sec) !--- The keepalive is set as every ten Line protocol is down (not administratively down). 160. i erased all the config. I made a change on the web interface and it caused the AP to hang. 3. g. n. And I wanted to create a VPN GRE over IPsec between two computers. 3207 (bia 548a. I already did a "no shutdown" command on serial 2/0 interface of the router. . packet, frame or IP stack etc. Michel Caissie. e. 0(2) and the switch IOS version is 12. Symptom: "line protocol is down" I expect the reason is in the below solution, but I don't understand the explanation, or how to implement it. vtyfhb mxne bcbtt bgayvo bnzxrf mdxgf ldbjv hdrogwu zyhe gdklvo ssdwt iui nsm clh lrs