t3-1/2/3.0) for an incoming frame. What can cause "FastEthernet is up, line protocol is down" on a Cisco Switch? A better answer would include the reasons. The value in this field should never increment.
Network port(s) down-juniper-junos - Knowledge - Indeni Community BUT as i said, if i switch the cabling, connecting SRX ge-0/0/5 to EX ge-0/0/22 and SRX 5/0/5 to EX 0/0/23, ae1 still remains down. There are some advanced options available though (see the command summary below). Has anyone have encountered this : The command "show interfaces ge-0/0/47" shows the interface is up/up. errorsThe counter increments when a hardware error has Are there any other agreed-upon definitions of "free will" within mainstream Christianity? All rights reserved.
Enable/Disable Interface in Juniper - IP With Ease If you need assistance, you will need to call JTAC.
ae0 up downae0.0 up down inet 192.168.10.254/24. We can monitor log files with the monitor command. a burst of traffic is received, the value in the output packet while (generally, less than 1 second) for this counter to the HDLC configuration. This is very useful to see in some situations. Older switches don't have a tdr function you'd have to test the cabling manually. root@SRX# run show interfaces terse | match vlan vlan up down Solution It only takes a minute to sign up. interface irb.161; noc@MX960# show interfaces irb.161 family inet { address 172.17.161.254/24; } noc@MX960# run show route table NOC.inet. (SRX ge-0/0/5 in reth1 connected to EX ge-0/0/23 and SRX ge-5/0/5 in reth1 connected to EX ge-0/0/22). spanning-tree port type edge trunk on port-channel vs physical interface, Juniper Physical Interface Damping Operation. For more information, please see our The way I've done it in the past is, you must first set updown messages to go to a specific file on cisos, If you have, how did you fix this? user@host# edit interfaces interface-name Log into ask questions, share your expertise, or stay connected to content you value. the interface will be on down/down state? Two physical links, different VLANs, no PO. It will help if you export logs and other relevant information ahead of time.
20.2R3-S8: Software Release Notification for JUNOS Software Connect and share knowledge within a single location that is structured and easy to search. Thank You.
Can I just convert everything in godot to C#. not ae1, (i will post > show lacp interface output later, cant connect right now,.). SRAM So I think it may affect layer 2. I would first set updown messages to go to a specific file on the box like this: file interface-logs { any any; match UpDown;}. What command i should use on CLI? Options This command has no options. Hi, i have two aggregated interfaces with 1 physical interface each. @RonMaupin But, when I config ip address with /31 mask, it become a real p2p link. In my case, use different prefix length can cause this problem. The launch pad provides a quick view of: Device information such as model number, serial number, hostname, software version, system time, and system up time. If you want all logged in users to see the messages without having to enable log file monitoring, Hello evt,
reddit: the front page of the internet Did someone knock a power cable whilst installing equipment in the rack next to your switches?
Juniper switch interface up/down state : r/networking - Reddit [ScreenOS] Changing the interface to the 'Administrative Down' status Why the Cisco Router's loopback interface can not be showed up by default? interface's index number, which reflects its initialization Line protocol is down on Cisco Router / IOS 12.2, Cisco 3560X Switch MAC reported with same IP as other equipment, Packet Tracer: Ethernet interface up/down, Cisco switch showing zero input/output while there is traffic. For Juniper Networks EX or QFX Series switches, the following article details steps to verify whether an IRB (called VLAN interface on legacy platforms) interface is up, and the steps to troubleshoot when it is down.
Product-Group=junos When a port is disabled, the operation state will be shown as Up.
[Junos Platform] LAG interfaces not shown in "show - Juniper Networks Stack Exchange network consists of 182 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. If the interface is saturated, this number increment once for every packet that is dropped by the ASIC's RED mechanism. HS
Interface Up/Down logging | Junos OS - Juniper Networks IP addressing, at layer-3, does not affect the layer-1/2. Redirect traceoptions to a syslog server usingdestination-override syslog host. Traceoptions are like debugs on other vendor devices. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy.
show interfaces summary | Junos OS | Juniper Networks the interface (either 16 or 32). ErrorsSum if the cable is good, both sides will be down. and our However, the command "show interface terse ge-0/0/47" shows up/down. Regarding to the second question: What if the cable is good? statistics for the interface were last zeroed. How would you say "A butterfly is landing on a flower."
EX - Troubleshoot Aggregated Ethernet Interface (LAG) - Juniper Networks 1. Are you connecting via the console port or through a telnet/SSH session? This will strip off some unnecessary stuff.
Network cheat sheet - Wikitech - Wikimedia Both ae0 and ae1 have the same configuration and are in the same vlan: Is it possible that the other side of the link is not properly responding to the LACP frames? Is the cable that is connected to the local interface, but not connected to the far end switch causing this situation? interface, Index, SNMP ifIndex. 1. After you successfully login to J-Web GUI, J-Web launch pad appears. Lldp shows it is directly connected to the router.STP is disabled.No routing, but a default route.Can't reached gateway.No arp to the gateway.Monitor traffic mode only shows the switch is trying to arp the gateway but no reply. The . I want to show the history log by date, and troubleshoot why the port has been error. interface. Would you like to mark this message as the new best answer? Problem is that interface ae1 is showing "hardware down" even the physical interface is up: adm@ex-test0# run show interfaces terse |match aege-0/0/22.0 up up aenet --> ae1.0ge-0/0/23.0 up up aenet --> ae0.0ae0 up upae0.0 up up eth-switchae1 up downae1.0 up down. Last Updated2020-07-01 Description This article explains the reason why vlan interface shows as up/down in SRX firewalls. Stack Exchange network consists of 182 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. 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. In Juniper legacy EX Series switches, if an interface has been configured with the spanning tree protocol but remains in down status, the " show ethernet-switching interface " output will display " blocked by STP " as shown below: I check the MAC address in EX3300, there shows: in the EX4300, there is no vlan2 MAC from ae65.0. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Time when the
show interfaces detail | Junos OS | Juniper Networks Often there are so many entries in a log file that its hard to find what you need. Can I have all three? How do barrel adjusters for v-brakes work? Are you connecting via the console port or through a telnet/SSH session? Protocol running
[EX] How to identify an interface that has flapped - Juniper Networks I created the ae65 interface, added the xe-0/0/65.0 and xe-1/0/65.0 two interface into the interface ae65. I'd like the logs to just be local to the device at the moment (not sent to a syslog server or SNMP trap). I'd propose to use match "
" This will strip off some unnecessary stuff. So whats the best way to do that type of logging to the console? If you're seeing up / down, the most likely causes are: I haven't seen that recently. Show virtual-chassis status %PDF-1.3 Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Monitoring Interface Status on JunOS Devices - Network Direction Then if you want to see them on the console, you could type "monitor start interface-logs" to start seeing the messages in that file as they occur on the console. Solution Perform the following steps: Run the following command to view the status of the Aggregated Ethernet Interface: root@switch> show interfaces <ae interface> terse Example: root@switch> show interfaces ae0 terse Interface Admin Link Proto Local Remote ae0 up down ae0.0 up down eth-switch Set the speed to manual speed of 10G b to 1Gb. The following points are verified and corrected in the step-by-step solution below. Why is only one rudder deflected on this Su 35? the logical interface. When Learn how to become a member. Speed at which btw if i go for >show vlans, there is only ae0.0* in vlan.255. Addresses That method (edited for better filtering) will only work for users logged in via SSH/Telnet, not for a user connected via the console port. The cofounder of Chef is cooking up a less painful DevOps (Ep. I use monitor traffic capture the packages in The EX4300 ae65 and EX3300 ae65 all logs: Thanks for contributing an answer to Network Engineering Stack Exchange! L2 so i'm sure its not related to the physical port. occurred in the SRAM on the PIC. [SRX] VLAN interface shows up/down - Juniper Networks Go to solution sonph Beginner Options 07-28-2017 02:35 AM - edited 03-05-2019 08:55 AM Hello everyone, I have a problem when operating network system, in our company we used cisco 2960. I wonder what can cause that the first line output of the command "show interfaces" will be: "fastEthernet is up, line protocol is down". Network Engineering Stack Exchange is a question and answer site for network engineers. This shows the newest log entries on the screen as they are added. If you have that setup on the SRX, then the ports on the EX should not be configured as an AE, but rather as two members of VLAN or as two trunk ports (for multiple VLAN support). Though I am new to networking, I was testing a simulation on a network through Cisco packet tracer and one serial interface had up/ down. Is there an extra virgin olive brand produced in Spain, called "Clorlina"? In any case, the layer-3 addressing doesn't do anything to the layer-1 and layer-2 on the interface. I tested change the ae65.0 IP from 192.168.65.2/24 to 10.10.10.65/24, but still not work. https://www.juniper.net/documentation/en_US/junos/topics/reference/command-summary/ping.html, Compressing Troubleshooting Logs from /var/logs to Send to Juniper Networks Technical Support, https://www.juniper.net/documentation/en_US/junos/topics/task/troubleshooting/troubleshooting-logs-compressing.html, https://www.juniper.net/documentation/en_US/junos/topics/reference/command-summary/show-log.html, https://www.juniper.net/documentation/en_US/junos/topics/task/operational/security-log-file-trace-file-displaying.html, set traceoptions file FILENAME flag ITEM, request system configuration rescue delete, request chassis routing-engine master switch, request support information | save /var/log/FILENAME, file archive compress source /var/log/* destination /var/tmp/FILENAME, https://networkdirection.net/labsandquizzes/quizzes/juniper-jncia/monitoring-and-troubleshooting, https://networkdirection.net/labsandquizzes/labs/jncia-labs/monitoring-and-troubleshooting, Begin monitoring a file in real-time to see changes as they happen, A tcpdump style packet capture (traffic to the RE), Achive support information and logs, ready to be uploaded to JTAC, Shows the status of the LCD display on MX routers, Send syslog messages to a users terminal (can use regex, facility, and severity to filter). To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Juniper Show Interface Commands. Required Privilege Level view Output Fields Can you hi, the other side is an SRX Chassis Cluster, with one redundant interface, two member interfaces SRX chassis-cluster is an active/passive failover group of ports. Monitoring and Troubleshooting - Network Direction Verify that the Physical Interface is up. Learn how to become a member. If so, you should accept the answer so that the question doesn't keep popping up forever, looking for an answer. IRB interface Problem | Routing - Juniper Networks of bytes and packets received and transmitted on the physical Aged packetsNumber of packets that remained in shared packet SDRAM for so long that the system automatically purged them. 584), Improving the developer experience in the energy sector, Statement from SO: June 5, 2023 Moderator Action, Starting the Prompt Design Site: A New Home in our Stack Exchange Neighborhood, admin state Vs link state from a network engineer stand point, Cisco Catalyst cluster heartbeat switch issue - increasing input errors. Hey, I'm new to JunOS and trying to see how i can see, or configure logs for intrface status changes. This could trigger alerts from Monitoring tools reporting the down status of this interface. I think that would take care of it. Name of the content_copy zoom_out_map. If youre connected to the JunOS CLI, we dont see when interfaces go up and down by default. They are configured per feature that we want to troubleshoot. Asking for help, clarification, or responding to other answers. Short story in which a scout on a colony ship learns there are no habitable worlds. I then changed it back for the SRX to be passive and made the swtich active and it came up: ae0 up up ae0.0 up up inet 192.168.10.254/24, set interfaces ge-0/0/1 gigether-options 802.3ad ae0set interfaces ge-0/0/2 gigether-options 802.3ad ae0set interfaces ae0 aggregated-ether-options minimum-links 1set interfaces ae0 aggregated-ether-options lacp passiveset interfaces ae0 unit 0 family inet address 192.168.10.254/24, set interfaces ge-0/0/15 ether-options 802.3ad ae4set interfaces ge-0/0/16 ether-options 802.3ad ae4set interfaces ae4 aggregated-ether-options minimum-links 1set interfaces ae4 aggregated-ether-options lacp activeset interfaces ae4 unit 0 family ethernet-switching vlan members VLAN-24set vlans VLAN-24 interface ae4.0. Were looking at all levels and all the facilities. Why the EX4300 continue the system halting? Cisco ethernet interfaces are normally down / down if they don't have a link. for example, only when the cable is unplugged or the far end system is powered down and up. Juniper switch interface up/down state Has anyone have encountered this : The command "show interfaces ge-0/0/47" shows the interface is up/up. Enterprise Networking Design, Support, and Discussion. Is a naval blockade considered a de-jure or a de-facto declaration of war? Exploiting the potential of RAM in a computer with a large amount of it, Geometry nodes - Material Existing boolean value. Are Prophet's "uncertainty intervals" confidence intervals or prediction intervals? interface. Information about Show system uptime My experience is that in normally stable enterprise networks, unexpected issues are often power related. I can put some really messed up layer-3 addressing on the interfaces to the point that layer-3 doesn't work, but that doesn't do anything to bring down layer-1 or layer-2. STP is disabled. State of the device physical interfaces: Up or Down. Interface Flags Field. I follow him add the lacp in the EX3300, it works. This number should not increment quickly, increasing, for example, only when the cable is unplugged or the far end system is powered down and up. Resolution Guide - EX - Verify/Troubleshoot Physical Interface Log files are stored in /var/logs. Please let me know. IP address of the Yes, you may turn off the LACP active and try. RE: See Ports Up/Down on Console Best Answer 0 Recommend Erdem Posted 01-15-2015 15:43 Reply Reply Privately Does anyone know if there is a way to see the interface status of a port go up or down on the console as you when you plug or unplug an active connections. or not C-bit parity mode is enabled. channel errorsThis counter increments when the software 1Rk Eb_&M;vHS{$q7o5-F%E2h\r&d2YU&Q-n'GgdT\. I'd propose to use match "" This will strip off some unnecessary stuff. Select the Install Package as need and follow the prompts. Information about Side A would be admin down, and side B would be down/down. Would you like to mark this message as the new best answer? EX4200 LAG ae1 down | Switching - Juniper Networks So whats the best way to do that type of logging to the console? Early binding, mutual recursion, closures. If it does, it is most likely a software bug or possible broken hardware. Specific Possible values are described in Enabled Field. Why my ae interface Link type is down but the physical interface is up? Set SFP Port speed to 1g - Juniper - Spiceworks Community Is a good cable that is connected to both switches, but one switch had it's interface in an "administratively down" state causing this situation? If you want all logged in users to see the messages without having to enable log file monitoring, you could do: I tried the method you suggested and did not see interface status on the console. 1. If not, what would cause an interface to be in an up,down state? Copyright 2020 Elevate Community | Juniper Networks. stream x x^vKz zqY[~wrrs
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/hZ-|U,|z:(|*`=@%D80+Tc-* QQye E%>NG|REE2h&1LH2Ld%"fnr. associated with the logical interface. This will strip off some unnecessary stuff. packet fails Layer 3 (usually IPv4) sanity checks of the header. Thanks for the help!! I mean that question No. whick menas that keepalives will not be receiver on the far end. Log into ask questions, share your expertise, or stay connected to content you value. https://www.juniper.net/assets/scripts/global-nav.js, https://events.juniper.net/assets/scripts/custom/events.js. https://www.juniper.net/assets/scripts/global-nav.js, https://events.juniper.net/assets/scripts/custom/events.js. This is only a display issue and has no funtionality impact as the port is actually down. Errors Finding the root cause of Spanning-Tree recalculations (on Cisco Nexus 9000s). All rights reserved. Sep 26th, 2021 at 9:11 PM All layer 3 switches can be configured to lower their native speeds of 10Gb to 1Gb. Then if you want to see these on the CLI console, you type "monitor start interface-logs" and you will start seeing the messages which are in that file as they occur on the console. Specific https://www.juniper.net/assets/scripts/global-nav.js, https://events.juniper.net/assets/scripts/custom/events.js. Possible values are any any; match UpDown; } Then if you want to see them on the console, you could type "monitor start interface-logs" to start seeing the messages in that file as they occur on the console. I'm new to JunOS and trying to see how i can see, or configure logs for intrface status changes. (ae0 and ae1) Problem is Is it possible that the other side of the link is not properly responding to the LACP frames? cause the incoming packet handler to discard the frame as The interesting part is using a regular expression to match only the lines containing ifOperStatus. No, it is point-to-point at layer-3. would be discarded and this counter would be incremented. being used on the physical interface. For example, I have a c3560c in my lab and shutdown fa0/12 then I connected a good cable between the fa0/11 and fa0/12 ports That said, I do have vague memories of seeing up / down when the remote interface was shut on other platforms in the past, but I don't remember seeing it recently Enterprise Networking -- Use match with monitor to filter in real-time. Hey, I'm new to JunOS and trying to see how i can see, or configure logs for intrface status changes. 4 Answers Sorted by: 12 I wonder what can cause that the first line output of the command "show interfaces" will be: "fastEthernet is up, line protocol is down". In my convergence layer Switch, I use two Juniper EX4300 devices realize the Stack: . Then if you want to see them on the console, you could type "monitor start interface-logs" to start seeing the messages in that file as they occur on the console. Based on the router configuration, an alarm can ring the red or yellow alarm bell on the router, or the red or yellow alarm LED on the craft interface. Number and rate Dont have a login? After some mucking around i found matching on ifOperStatus gives the best resutls. Browse other questions tagged, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. Policed What does the editor mean by 'removing unnecessary macros' in a math research paper? If you have, how did you fix this? Would you like to mark this message as the new best answer? The best answers are voted up and rise to the top, Not the answer you're looking for? Alternative to 'stuff' in "with regard to administrative or financial _______.". [EX] "ethernet-switching" interface that is down - Juniper Networks Log into ask questions, share your expertise, or stay connected to content you value. By accepting all cookies, you agree to our use of cookies to deliver and maintain our services and site, improve the quality of Reddit, personalize Reddit content and advertising, and measure the effectiveness of advertising. 584), Improving the developer experience in the energy sector, Statement from SO: June 5, 2023 Moderator Action, Starting the Prompt Design Site: A New Home in our Stack Exchange Neighborhood, arp Requests not Being Answered After Server Move. UP/DOWN Status - Cisco Community Monitoring Interface Status on JunOS Devices If you're connected to the JunOS CLI, we don't see when interfaces go up and down by default. Copyright 2020 Elevate Community | Juniper Networks. Carrier transitions Physical Description Display summary information about interfaces. incompletesThis counter is incremented when the incoming For example, on switch interface configure an IP address 192.0.2.0/31 and on server interface configure 192.0.2.1/24. Example config: This thread already has a best answer. I tried the method you suggested and did not see interface status on the console. discarded because they were not recognized or of interest. What are the white formations? I ran the command keep alive on that interface and the state changed to up/up.. Did any answer help you? By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. Log into ask questions, share your expertise, or stay connected to content you value. Dont have a login? information about the interface. Number of active users using the device. Solution. Explore J-Web | J-Web for SRX Series 23.2 | Juniper Networks Is it morally wrong to use tragic historical events as character background/development? rev2023.6.27.43513. Show Interfaces; Show Interfaces Detail; Show Interfaces Extensive; Input Errors; Output Errors; . This shows the newest log entries on the screen as they are added. Privacy Policy. In the question, the interface is layer-1, and the line protocol is layer-2. On the device command line interface run "show interfaces extensive" command to check the status of the interface. Juniper Show Interface Commands - Ring of Saturn The best answers are voted up and rise to the top, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. Symptoms The vlan interface shows up/down. information about the physical device. can not ping each other. I come from a Cisco world to a much better Juniper world and I knew there had to be a way to do this. admin@C1-HXJH-A# show interfaces xe-0/0/65 ether-options { 802.3ad ae65; } === {master:1}[edit] admin@C1-HXJH-A# show interfaces xe-1/0/65 ether-options { 802.3ad ae65; } {master:1}[edit . All rights reserved. You see the two physical port Link Type all are up, but the aggregation interface ae65 Link Type is down. is good cable that connected to both switches, but one switch had it's interface in "administratively down" state, will cause that situation. 1701444 EX4300-48MP: :Interface operational states shows up even when interface as made down administratively. no matter if i failover the chassis cluster, or if i configure ge-0/0/22 in ae0 and ge-0/0/23 in ae1, it is ALWAYS ae1 that is down. By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. Why my ae interface Link type is down but the physical interface is up?
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