Juniper Physical Link Is Down. I to get LINK and ACT lights on but the juniper still says
I to get LINK and ACT lights on but the juniper still says the physical link is Administratively down, Physical link is Down —インターフェイスがオフになっていて、物理リンクが動作不能であり、有効になっている場合でもパケットを渡すことができません。 インターフェイス Whenever the penalty is below the reuse level and the physical level link changes state, state changes are advertised to the system and cause SNMP state changes. 168. Why my ae interface Link type is down but the physical interface is up? 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 The Layer-1 issue typically occurs due to physical connectivity problems such as faulty cables, dirty or incompatible optics, or port-related hardware faults. If you suspect that the Ethernet cable is bad, swap the cable for a known good one. 0. The customer reported that one of their interfaces is still down even after replacing cables and optics. Symptoms The customer reported that one of their interfaces is still down even after replacing cables the difference here is that the vme's ip address is reachable through any of the physical management interfaces so if you use the ip 192. By default, SRX enabled negotiation If you have physical access to the EX switch, verify that the cable is connected to the affected interface. 0 interface-mac-limit 1 packet-action shutdown] the interface did just that aft SRX345 cluster is connected to another vendor switch, the switch shows the interface as UP, but on SRX side it is shown as DOWN. Figure 4 shows the penalty dropping Physical interface: ae0, Enabled, Physical link is Down Interface index: 128, SNMP ifIndex: 551, Generation: 131 Link-level type: Ethernet, MTU: 1514, Speed: Unspecified, BPDU Error: Description Verify LAG (Link Aggregation Group) of a Juniper Networks EX Series switch is UP and troubleshoot it if it is not. 27. Remove traffic and restart the FPC during the maintenance window. Is the alarm Ethernet Link Down displayed against the em0 interface of the primary Routing Engine (Host 0)? Yes: Contact JTAC Does the Enabled field display Physical link is Down status and the Active alarms and Active defect field display Link? Yes: The interface is either not connected correctly or is not receiving a valid signal. fabric physical up ,but Fabric link status: Down . Make sure that the link light is on for that Based on your output and the manual page I would say your optic module is bad. 2/30 How Specify either red, yellow, or ignore to display when the link is down. Is the alarm Ethernet Link Down displayed against the management interface of the primary Routing Engine (Host 0)? Yes: Contact Juniper Networks Technical Assistance Center Description This article helps to resolve a Chassis Cluster 'down' issue, due to the Fabric Link failing to come up. To eliminate possible issues with the port: Reconfigure the fabric link on a different port, connect the cable to the new port, and Description This Kb explains that lacp will be down and all child links will be in admin down state if aeX speed wrongly set Symptoms LACP child links are admin down Solution From I have on of my Jrouter which lost the link. The light on the interface is still green Interface Admin Link Proto Local Remotee1-0/0/0 up up e1-0/0/0. Physical interface: ge-0/0/0, Enabled, Physical link is Down Physical interface: ge-0/0/1, Enabled, Physical link is Down Physical interface: ge-0/0/2, However, when I do a reboot of the switch, the link does not come back up. 1 to connect to the device example lets say The interface is configured and enabled, yet it showing as Admin down. The interface does show in "show interfaces" after the reboot on both the switch and the remote side, however, However, when I shut a switchport down on one of our ethernet-switches, the corresponding reth is showing down, allthough there are two member-interfaces configured to be in I am getting the alarm "Host 1 fxp0: Ethernet Link Down" as i have checked the ethernet is up and able to ping it also: how to troubleshoot this ??? How to clear this alarm ? The console says: show interfaces et-0/1/1 Physical interface: et-0/1/1, Enabled, Physical link is Down Interface index: 656, SNMP ifIndex: 525 Link-level type: Ethernet, MTU: 1514, LAN-PHY mode, When the ge-0/0/0 interface starts to receive BPDU, the STP interface removes the interface from its list, as the interface is transitioned to the down (disable) state: 1. Hello Alex Here is the request: ADMIN> show interfaces ge-0/0/1 media detail | no-more Physical interface: ge-0/0/1, Enabled, Physical link is Down Interface index: 130, SNMP ifIndex: 118, This works fine until there is any physical link disruption, at which point the xe interface stays down when the link reconnects. Symptoms We can observe that physical link on SRX345 Description This article describes how to troubleshoot interface-down scenarios. show interfaces ge-0/0/8 Physical interface: ge-0/0/8, Administratively down, Physical link is Down The interface config does Symptoms All interface are down. 0 up down inet 10. Physical interface: ge-0/0/0, Enabled, Physical link is Down Physical interface: ge-0/0/1, Enabled, Physical link is Down Physical interface: ge-0/0/2, Symptoms All interface are down. An admin has to manually disable/enable that xe interface before it will come Hey guys!After applying the configuration [set switch-options interface ge-0/0/x. 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. This article is part of the Resolution Guide -- SRX Chassis Cluster (High The whole point of using LACP is to provide a method to drop the AE interface if the remote host is unresponsive, even though we still have physical link (otherwise the system would Dec 27 08:26:30 r001 mib2d[38304]: SNMP_TRAP_LINK_DOWN: ifIndex 512, ifAdminStatus up (1), ifOperStatus down (2), ifName ge-0/0/0 In the above example, the ge-0/0/0 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 cabling issue. I would try removing and reseating the module just in case that will clear the errors, but this has probably Yes: The physical link is up, but the fabric packets are not being processed. To verify a Physical Interface (non-aggregated) or a VLAN . Layer 1 troubleshooting helps To bring this interface back up, I believe that you have to either 'activate' or 'deactivate' the interface in question. "You can enable or disable port security on the switch at any time by If the physical link is down, confirm that the cable is connected properly on the local and remote ends. why Recommend Archived User Posted 03-25-2016 09:08 I have tried connecting it to another Juniper SRX with both of them configured the same and link still says down. Was this The link will not come up if the ports at each end of the link are set inconsistently (link negotiation enabled on one port and disabled on the other port).