Juniper admin up link down is there a command to disable / enable under pfe mode. 100 up up inet 10. same issue can be see when replacing SFP-FX-PHY with SFP-SX. interface-name unit logical-unit-number] hierarchies for physical and logical interfaces. However, the command "show "link down when disabled" is the correct behaviour for GE optical SFP/10GE XFP/10GE SFP+ interfaces. (> start shell pfe network fwdd)admin@xxx-fw1> show interfaces cl-2/0/0 Physical interface: cl-2/0/0, Administratively down, Physical link is Up The interface is configured and enabled, yet it showing as Admin down. 0 Learn how to effectively monitor Fast Ethernet and Gigabit Ethernet interfaces by following a comprehensive checklist, understanding key monitoring techniques, and reviewing fiber-optic Ethernet interface specifications. Link-level type: Ethernet, MTU: 1514, MRU: 1522, Speed: 100Gbps Junos OS logs the protocol UP and DOWN events with different severity levels. RE: How to disable management Continue with Step 3 (when the ae interface is Administratively Up). This statement does not affect control path setup or data forwarding for packet LSPs. 0 Ethernet Link Downshow chassis alarm T640ルーター、T1600ルーター、T4000ルーター、TX Matrix Plusルーターで運用モードコマンドを実行すると、アラームが発生します。 user@host> show interfaces em0 terse Interface Admin Link Proto Local Remote em0 up up em0. Luca. 2. Discover steps to diagnose and resolve issues with Dense Port Concentrator (DPC) or Packet Interface Card (PIC) states on Juniper Networks routers. Admin down is a process you use to disable a physical interface or logical interface , marking it as down, without removing the interface configuration from the system. STP is disabled. The issue has been fixed in all the newer Junos OS releases; The release note for this bug can be viewed here: PR591975 When you enable or disable a port, the administrative status of the port changes to UP or DOWN respectively. 0, 10. 381 rtr-re0 mib2d[17617]: SNMP_TRAP_LINK_DOWN: ifIndex 791, ifAdminStatus down(2), ifOperStatus down(2), ifName xe-1/1/0. When you enable or disable a port, the administrative status of the port changes to UP or DOWN respectively. However, the vlan interface is still part of Junos software and because it is never configured it will show as up/down. Interface Up/Down logging Jump to Best Answer. 481 rtr-re0 mib2d[17617]: SNMP_TRAP_LINK_UP: ifIndex 791, ifAdminStatus up(2), ifOperStatus up(1), ifName xe-1/1/0. 14. 1R2, and 10. 100 up down inet 10. Chassis Cluster is down due to the Control Link being down. 203/24 {master:3} admin@csj1> show virtual-chassis status Preprovisioned Virtual Chassis Virtual Chassis ID: 649c. Am I missing so Use the following information to troubleshoot multichassis link aggregation configuration issues: Description. 0) is Administratively Up and the Link is Up. Configuring an SRX1500, but can't get my IRB interface to go up/up. The control link fails to come up in an SRX chassis cluster. root@SRX345-2# run show interfaces terse Interface Admin Link Proto Local Remote ge -0/0/0 By default, SRX enabled negotiation and QFX5110 disabled the negotiation. Command to Disable an Interface/Juniper No Shutdown Interface. Please spell out PS. . 0 interface was mapped to the vlan 102 and the l-3 interface was irb. This behavior is not noticed in Junos 10. ae0. -----Original Message Display summary information about interfaces. 0 up <<<<< down eth-swith Hence link is not coming up. Disable negotiation on SRX Thanks for the helpful reply, Luděk! I had created the 'ae' interfaces (ae0 - 7) beforehand, so that wasn't it. I understand this happens because the xe still tries to auto-negotiate on link up while the ge expects parallel detection. However, the command "show interface terse ge-0/0/47" shows up/down. 4R10. You see the two physical port Link Type all are up, but the aggregation interface ae65 Link Type is down. 1R1, we support the admin down process for PS interfaces. {master:0} root@switch> show interfaces irb terse . ge-0/0/22. I created the ae65 interface, added the xe-0/0/65. 0 Recommend . Run the following command to check if the Control Link is down: Sample output: This works fine until there is any physical link disruption, at which point the xe interface stays down when the link reconnects. An admin has to manually disable/enable that xe interface before it will come back up. This article explains the alarm, 'Management2 Ethernet Link Down' , its impact, and how to clear the alarm. This Ask questions and share experiences with Juniper Connected Security. Management interfaces are the primary interfaces for accessing This is not working. I understand this happens because the xe still tries to auto-negotiate on link up while the ge Do you mean like admin up and link down? Has anyone have encountered this : The command "show interfaces ge-0/0/47" shows the interface is up/up. 0 up up inet 192. To verify an Aggregated Ethernet Interface (LAG) or an IRB interface (called VLAN interface in legacy platforms), refer to KB22217 - Resolution Guides - EX - Troubleshoot/Verify Interface . Home; Knowledge; Quick Links. 1/24 The article helps to resolve a Chassis Cluster 'down' issue, due to the Control Link failing to come up. system notif 00513 The physical state of interface ethernet0/4 has changed to Down. 0 ge Copy link Copy link Go to Juniper r/Juniper. The IRBs link state is down after being configured Specify either red, yellow, or ignore to display when the link is down. It shut down, now the output of [show interfaces ge-0/0/x terse] shows link state "down", admin state "up". 168. The IRBs link state is down after being configured because the link status of the interface which should allow the vlan is down, or the IRB interface is not associated to a VLAN. 30. 1/24. 4. Network Interfaces for EX Series Switches: HTML ; PDF ; Modification History [SRX] Troubleshooting steps to correct a Fabric Link that is down in a Chassis Cluster. SRX345 cluster is connected to another vendor switch, the switch shows the interface as UP, but on SRX side it is shown as DOWN. 200. A basic checklist for troubleshooting IRB (Integrated Bridging and Routing) interfaces on MX Series devices. Management interfaces are the primary interfaces for accessing Continue with Step 3 (when the ae interface is Administratively Up). Indicates that one or more hardware components have failed or exceeded temperature thresholds, or an alarm condition It is possible your interface is disabled due to a group config being applied to it. 0 is configured under default vlan: Jun 24 11:30:47. 0 Proxy ARP is disabled DHCP Client Vendor Class ID (text): ECS2100-10T DHCP Relay Server Juniper Support Portal. Interface Admin Link Proto Local Remote. Hey, I'm new to JunOS and trying to see how i can see, Interface Up/Down logging. irb. This article is part of the Resolution Guide -- SRX Chassis Cluster (High Availability) . Note that there is one caveat that a newly added interface/dpc will not be admin down until after a commit is performed. 1X49 or newer: On these versions IRB interface is used instead of VLAN interface. 0 up up aenet --> ae0. The interface is Administratively Down, which means that the administrator of this switch disabled the interface. Fields : Title [SRX] Troubleshooting steps to correct a Fabric Link that is down in a Chassis Cluster: URL Name: SRX-Troubleshooting-steps-to-correct-a-Fabric-Link-that-is-down-in-a-Chassis-Cluster: Juniper Support Portal. If you configure half duplex on one end, either autonegotiation will fall back to half duplex on the other end, or you star seeing a Description. If you want the status of the interface to be link down as well, it will need to be removed from the vlan configuration where it is associated as the l3-interface. system notif 00612 Switch event: the status of The interface is admin down and link up. For EX Juniper Network devices. f522 Virtual Chassis Mode: Enabled Mstr Mixed Route Neighbor List Member ID Status Serial No Model prio Role Mode Mode ID Interface 0 (FPC 0) Prsnt VF3715220163 qfx5100-48s-6q 129 Backup N VC 3 Interface Admin Link Proto Local Remote ge-0/0/0 down down ge-0/0/0. 4deb. 4R5. 2 up down inet 1. 255. More. 0 two interface into the interface ae65. 0 up up inet 10. admin@CHOU-JPE-RT01> show system alarms 1 alarms currently active Alarm time Class Description 2011-04-21 15:39:44 WAT Major Host 1 fxp0: Ethernet Link Down-----admin@CHOU-JPE-RT01> show interfaces fxp0 Physical interface: fxp0, Enabled, Physical link is Up Interface index: 1, SNMP ifIndex: 1 Mark the interface as down for transit traffic. f522 Virtual Chassis Mode: Enabled Mstr Mixed Route Neighbor List Member ID Status Serial No Model prio Role Mode Mode ID Interface 0 (FPC 0) Prsnt VF3715220163 qfx5100-48s-6q 129 Backup N VC 3 vcp But the irb. 0 terse Related FAQs Learn how to troubleshoot a 10-Gigabit Ethernet port stuck in a down state. 3. this is fixed in Junos releases listed on PR1805370. Hi, The cl-2/0/0 interface showing admin down, though it is not disable on config level. Printable View « Go Back. Link Up. × New Best Answer. 100. 0 up <<<<< down eth-swith This topic discusses various troubleshooting scenarios. Can't reached gateway. Yes, you can disable link up and link down traps in the interface configuration. show interfaces ge-0/0/8 Physical interface: ge-0/0/8, Administratively down, Physical link is Down The interface config does not show as disabled because it is not. This behavior is not seen in IKE Main Mode or when both sides are statically configured. Symptoms Display status information about the specified Gigabit Ethernet interface. 1/30. Let's say I disable an interface via configuration as follows: "set interfaces ge-0/0/0 disable". 51. Thanks guys. 41 up down inet 10. Interface index: 243, SNMP ifIndex: 501, Generation: 246. The issue is due to a bug in the Junos OS code. Discuss Advanced Threat Protection, SecIntel, SRX HA Cluster - Redundancy Group 1 - Fabric Link Physically Up, Monitored Status Down inter" Interface Admin Link Proto Local Remote ge-0/0/0 up up ge-0/0/0. I have two QFX5100s in a VC pair, and have C0 (em0) on each QFX5100 connected to our management network. Perform the following tests to check if the em0 management interface is down on the primary Routing Engine or the backup Routing Engine: Run the show chassis alarms command. system notif 00513 The physical state of interface ethernet0/4 has changed to Up. Only the second column, with a healthy link? no. irb up up. That goes for both physical and logical (/x and /x. 300 Logical interface irb. This new one is showing as link down even though one of the two member interfaces is up. does this confirm your finding, that its the naighbor device, which is down, and not the firewall configuration? show chassis cluster interfaces Control link status: Up Control interfaces: Index Interface Status 0 em0 Up 1 em1 Up Fabric link status: Down Fabric interfaces: Name Child-interface Status (Physical/Monitored) fab0 ge-0/0/1 Up / Down fab0 fab1 ge-4/0/1 Up / Down fab1 Juniper Support Portal. Admin Up. e. Interface Admin Link Proto Local Remote irb up up irb. > > . Symptoms In my convergence layer Switch, I use two Juniper EX4300 devices realize the Stack: so there have xe-0/0/x and xe-1/0/x interfaces. 5/24 {master:0} Juniper Ambassador IP Architect - DQE Communications Pittsburgh, PA fab1 ge-9/0/2 down fab1 Fabric link status: down . It may be different for GE with fixed optics but I haven't played with these for a Interface Admin Link Proto Local Remote irb. However, I went to set the ae0 interface to 100m as you suggested, and Junos carped at me about the underlying interfaces not being set to the same speed, so when I set the phy intf's to 100m and then the ae0 intf to 100m, the candidate config committed, and the links came up! Physical interface: vme, Administratively down, Physical link is Up Interface index: 68, SNMP ifIndex: 35 Type: Mgmt-VLAN, Link-level type: Mgmt-VLAN, MTU: 1518, Speed: Unlimited Device I'd expect it to be the same as JUNOS. 0 and xe-1/0/65. Link Down. The Physical Interface (ge-0/0/0) is Administratively Up and the Link is Up. After some mucking around i found matching on ifOperStatus gives the best resutls. 30 terse Interface Admin Link Proto Local Remote ge-0/0/0 up up ge-0/0/0. The interfaces showing admin up with link down in the output below are those that did not have a network defined with virt-install on creation. Why? Has anyone have encountered this : The command "show interfaces ge-0/0/47" shows the interface is up/up. 0 up down . 1/24 Interface is not showing up in ethernet-switching interfaces: 0> show ethernet-switching interfaces Interface Admin Link Proto Local Remote dsc down up em0 down up em1 down up fxp0 down up gre up up ipip up up lo0 down up lsi up up me0 down up mtun up up pimd up up pime up up tap down up >show interfaces fxp0 Physical interface: fxp0, Administratively down, Physical link is Up Interface index: 67, SNMP ifIndex: 0 However, if the VLAN interface is not configured, it is expected for the SRX to show the interface status as up/down. duplex half, speed 10M. Hey guys! After applying the configuration [set switch-options interface ge-0/0/x. Problem persists if i swap the interfaces ge-0/0/22 and /23 in the configuration and and/or the cables connecting to them. Solution. Symptoms VLAN 1 is Administrative Up - Link Down Address is CC-37-AB-94-80-20 Index: 1001, MTU: 1500 Address Mode is User specified IP Address: 192. Hey, I'm new to JunOS and trying to see how i can see, or configure logs for intrface status changes I'm new to JunOS and trying to see how i can see, or configure logs for intrface status changes. Cheers, Erdem. 10. Fabric interfaces: Name Child-interface Status Security (Physical/Monitored) fab0 et-1/0/3 Up / Down Disabled fab0 et-1/1/3 Up / Down Disabled fab1 et-7/0/3 Up / Down Disabled fab1 et-7/1/3 Up / Down Disabled admin@CHOU-JPE-RT01> show system alarms 1 alarms currently active Alarm time Class Description 2011-04-21 15:39:44 WAT Major Host 1 fxp0: Ethernet Link Down-----admin@CHOU-JPE-RT01> show interfaces fxp0 Physical interface: fxp0, Enabled, Physical link is Up Interface index: 1, SNMP ifIndex: 1 The article helps to resolve a Chassis Cluster 'down' issue, due to the Control Link failing to come up. 100/24 . 10 Mask: 255. Welcome to the Juniper subreddit, a Subreddit dedicated to discussing Routers, Switches Members Online • joecollette. Is the alarm Ethernet Link Down displayed against the em0 interface of the primary Routing Engine If the encapsulation is Cisco-HDLC, you might see one side that is "admin up and link up" and the other is "admin up link down". 193/26 multiservice reth4. The correct family has been assigned to the Subinterface (ge-0/0/0. I have a strange one: # show vlansvrrp-vlan { vlan-id 100; l3-interface vlan. set system scripts commit allow-transients . (M Series, T Series, MX Series, and PTX Series routers) Display status information about the specified aggregated Ethernet interfaces. This article explains how to verify that the Physical Interface of an EX switch is UP, and to troubleshoot it if it is not. To troubleshoot Physical interface or VLAN interfaces, refer to KB26486: Troubleshooting Checklist - Ethernet Physical Interface or KB26487: Troubleshooting Checklist - VLAN & Bridging . 1/24 - 1 igb0 Up Disabled Disabled . Expand search. Fabric link status: Down. Symptoms root@router> show chassis alarms 4 alarms currently active Alarm time Class Description 2021-10-19 05:31:51 UTC Major FPC Management2 Ethernet Link Down Solution. 30 down down inet 10. 224. 300 up down inet 192. 0) Now I suppose This article explains what is required to bring an IRB interface unit up for Juniper Networks EX/QFX Series Switches. Junos version 15. set system scripts commit file cs-admin-down. 1 up down inet 10. Juniper Support Portal. 16386 up PYH soft reset is needed once the spf get removed. most likely this. slax. 500 up up ICCP . root@Juniper# delete interfaces ge-0/0/1. This condition is caused by keep alive values configured on one The interface is "up up" on the switch, and when we disconnect the cable from the fxp0 of the MX104, the interface on the switch turns "down down (not connect)", so that's not a It shut down, now the output of [show interfaces ge-0/0/x terse] shows link state "down", admin state "up". ADMIN MOD IRB interface up/down despite access port being up . This topic provides an overview of the Bidirectional Forwarding Detection (BFD) protocol and the different types of BFD sessions. Therefore, the link of SRX is down and QFX is up as shown above. Symptoms We can observe that physical link on SRX345 is down, however, optical signal is received: {primary:node0} user@srx345> show interfaces ge-0/0/9 extensive Physical interface: ge-0/0/9, Enabled, VLANs are down: Interface Admin Link Proto Local Remote vlan up up vlan. Description. 3R1, 11. Version 12 is not an option since we use J6350 I would like to enable ge-4/0/2 if ge-4/0/3 is down. You can administratively bring the interface down, with either the disable command in cli, or going to the shell and doing ifconfig down. I'm new to Juniper, so am I missing Though if that doesn't turn up anything, This can be useful for maintenance or if the interface is not currently needed. set interfaces xe-0/1/6 native-vlan-id 100 <-- vlan 100 is native vlan set interfaces xe-0/1/6 unit 0 family ethernet-switching interface-mode trunk set interfaces xe-0/1/6 unit 0 family ethernet-switching vlan members 1417 set interfaces xe-0/1/6 unit 0 family ethernet-switching vlan members 1421 set interfaces xe-0/1/6 unit 0 family ethernet Did you perform a Junos upgrade recently? What version you moved from and to? Do you see probe statistics increase on both the nodes? Is the fabric link connected directly or through L2 domain? Connect another cable between the nodes and add the interface as fab, this will not cause any downtime. 0# run show interfaces irb. I have another However, if the VLAN interface is not configured, it is expected for the SRX to show the interface status as up/down. system notif 00612 Switch event: the status of ethernet port ethernet0/4 changed to link up, duplex full, speed 10M. 0 Jun 24 11:30:47. In either case, the interface will show as down down. 102 which is down. 0 up up aenet --> fab0. 0 root@Juniper# run show interfaces ge-0/0/1. 254/24 vlan. 2R1, 11. Both the SNMP_TRAP_LINK_DOWN and SNMP_TRAP_LINK_UP events have a facility of 'daemon', but the SNMP_TRAP_LINK_DOWN event has a severity level of 'warning', and the SNMP_TRAP_LINK_UP event has a severity level of 'info'. 3R4, 11. This chapter explains the content of the output fields, which appear in the output of most show interfaces commands. r/Juniper. The reject route is for the /32 interface IP of the irb, which is expected for an interface that is in down status. after replacing SFP-T with SFP match ge-0/0/20 ge-0/0/20 up down <<<<< interface down with SFP-SX ge-0/0/20. Expand search gr-0/0/0, Enabled, Physical link is Up Physical interface: ae13 (MC-AE-14, active), Enabled, Physical link is Down Last flapped : 2022-01-19 15:34:34 IST KB34717 : [MX] Interface goes to admin down when MTU of the physical interface is changed. 0 up up eth-switch ae1 up down ae1. Please try: set chassis alarm management-ethernet link-down ignore . 0). ae0 is always UP and showing protocol eth-switch and ae0 always down, not showing any protocol. 300 (Index 84) (SNMP ifIndex 572) Flags: Hardware-Down Up SNMP-Traps 0x0 Encapsulation: ENET2 Bandwidth: 1000mbps Routing Instance: None Bridging Domain: None Input packets : 0 Output packets: 0 You (the network administrator) can configure damping to reduce the advertisement of physical interface transitions between up and down states. このインターフェイスは管理上無効で、物理リンクは正常(Link Up)ですが、論理インターフェイスは確立されていません。物理リンクが無効になっているため、論理インターフェイスがダウンしています。 fe-4/1/2. Technical Documentation . Please confirm what is the configuration related to the IRB and based on that determine what needs to be deleted: In this scenario, interface irb. 1 interface link was in down Here i am pasting the Vlan configuration ; root@MMCS-DUMAD# run show interfaces terse irb* Interface Admin Link Proto ae0. 30 terse Interface Admin Link Proto Local Remote vlan. Though if that doesn't turn up anything, try bouncing the port and then checking your "show An admin has to manually disable/enable that xe interface before it will come back up. The Subinterface (ge-0/0/0. You can use the existing disable statement under Down - If the Admin status of the IRB Interface is Down, then Continue to Step 2. Now observe the Aggregated Ethernet Interface Logical Interface line output (i. 0;}# show interfacesge-1/0/4 { mtu 9192; unit 0 { family etherne How would one go about bringing the interface back up, or troubleshooting why it's down? show interfaces ge-0/0/0. Would this turn of the LED on the interface port? Or would t Flags: Hardware-Down Up SNMP-Traps 0x4004000 Encapsulation: ENET2 . For a High End series SRX services gateway device: {primary:node0} root@SRX_HighEnd> show chassis cluster interfaces Control link 0 name: em0 Control link 1 name: em1 Control link status: up Fabric interfaces: Name Child-interface Status fab0 ge-0/0/5 down fab0 Fabric link status: down Solution Admin Down. root@switch> show interfaces vlan. Check the status, is the other link showing up? user@router> show interfaces t3-1/0/0 extensive Physical interface: t3-1/0/0, Enabled, Physical link is Down Interface index: 9, SNMP ifIndex: 10 Link-level type: Cisco-HDLC, MTU: 4474, Clocking: Internal Speed: T3, Loopback: None, CRC: 16, Mode: C/Bit parity Device flags : Present Running Down Interface flags: Hardware-Down Link-Layer-Down Point-To Ive configured a new reth int on a pair of clustered srx650 running junos 10. 0 disable << This is cisco equivalent of “no shutdown” Verification root@Juniper#show ge-0/0/1. If you have, how did you fix this? Lldp shows it is directly connected to the router. 0/31 multiservice I am a Juniper employee, but all opinions are my own. No routing, but a default route. When you disable a port, the system marks that port as administratively down, without removing the port configurations. 252/24 multiservice Interface Admin Link Proto Local Remote irb up up irb. Example: root@switch> show interfaces ae0 terse Interface Admin Link Proto Local Remote ae0 up down ae0. Luca 09-30-2010 16:02. To disable the traps, use the no-traps statement at the [edit interfaces interface-name unit logical-unit-number] and [edit logical-systems logical-system-name interfaces. Name: leaf1-spine1. Run the following command to check if the Control Link is down: Sample output: I'm installing a new set of QFX5100s and am having difficulty with the vme management interface. Admin Up Description. 0 ge-0/0/23. Posted 12-01-2010 16:17. root@eve-ng:~# virsh net-info --network leaf1-spine1. We are using version 11. Set a nonpacket GMPLS LSP to the administrative down state. 3 other reth are working fine. user@qfx> show interfaces descriptions Interface Admin Link Description xe-0/0/6 down down em1 xe-0/0/7 down down p1p1 ae0 up down -bond0 >>>>> interface is down ae1 up down -bond1 ae52 up up LEAF_B2B_QSFP_link irb. 30 down up inet 192. 0 ae0 up up ae0. Jun 24 11:30:47. To troubleshoot VLAN or IRB interfaces, refer to KB26487: Troubleshooting Checklist - VLAN & Bridging and KB26488: Troubleshooting Checklist - IRB Interface . 7. No arp to the This affected all other ae interfaces on the devices as all interfaces are down and their child interfaces shows as “admin down” : root@Juniper> show configuration interfaces et-0/0/0, Enabled, Physical link is Up. fe-4/1/0. physical interfaces status are up and ae interface also up Hi. 0 up down inet 10. I also followed the Juniper vJunos-switch - Deployment on KVM on this forum with the same results. >> em0. 0 up up aenet --> ae1. Solution 3. 1. Close search. Symptoms. 32767 up down multiservice . Interface Admin Link Proto Local Remote reth4 up down reth4. 1549 up down inet 10. Disable negotiation on SRX Answer. 0. A basic troubleshooting checklist for troubleshooting Ethernet Physical Interfaces on M/MX/T Series devices. 0 interface-mac-limit 1 packet-action shutdown] the interface did just that after (for testing) adding another MAC-adress (persistent-learning is enabled on that interface). Support for admin down in PS interfaces (MX Series)—Starting in Junos OS Release 22. The fabric link fails to come up in an SRX chassis cluster. lijmlg baizb yovzx crkf sroij wuezmri xvfsd gznliwu skiu wvv