All rights reserved. I want to make my Linecard as a Back-up Role. The associated jnxContentsContainerIndex in the. Note: Removing two members switches from (four members in a Virtual Chassis Re-activate the Virtual Chassis to make that switch a stand-alone switch by running request virtual-chassis reactivate : Once the affected device been isolated as a stand-alone switch, proceed with the standard upgrade. I performed this activity and your steps helped me a lot. See Setting an Uplink Port on an EX Series or QFX Series Switch as a Virtual Chassis Port. I saw posts and KB about the command " request virtual-chassis renumber", but it seems a lot of extra steps and I'm not sure about the impact. I am trying to clarify my understanding on what if both the Master and backup member were to fail in a preprovisioned virtual chassis. One more thing which I would like to ask that. Really appreciate it. I wan to reorder the member That looks OK by me. I want to re arrange the switch member ID order as its physical order in the Rack. After a successful upgrade, re-connect the VCP cables. Double/triple faults may recover, but are generally never quarenteed. I want to create another separate virtual chassis with them in that scenario. Symptoms. MIST APs column will display comma separated APs (one for each of VC member). This document will help the user who prefers to make a Linecard of a Virtual Chassis to a Backup role. Hello, https://www.juniper.net/assets/scripts/global-nav.js, https://events.juniper.net/assets/scripts/custom/events.js, Removing two members switches from (four members in a Virtual Chassis), RE: Removing two members switches from (four members in a Virtual Chassis). Connect a console cable to the Primary EX Switch in the Virtual Chassis. FPC 0 and FPC-2 would be in linecard role. There are two common scenarios wherein the members of a Virtual Chassis show as inactive. Is it possible to configure the VC such that when both master and backup members fail , the Linecard can transition into Master role.If yes is it possible in the pre-provisioned mode OR only in non-provisioned mode ? In order to configure them in that above mentioned scenario. Configuring Primary Role of a Virtual Chassis - Juniper Networks "vcp-1.32768" = INTEGER: up(1), JUNIPER-VIRTUALCHASSIS-MIB::jnxVirtualChassisPortOperStatus.1. Your feedback will help us make the documentation better. Then, once things are the way that you want them with regards to the virtual-chassis, configure it as preprovisioned where you specify the member ID tied to each serial number. In Edit Virtual Chassis window, there is an option add switch where new member details can be specified. Virtual Chassis | Juniper Networks Pathfinder Feature Explorer fpc0: You configure a Virtual Chassis by configuring Virtual Chassis ports (VCPs) on the member switches and interconnecting the switches using the VCPs. Solution When you disconnect a member of a Virtual Chassis configuration, the primary retains the member ID and member configuration in its configuration database. Thank you! Output fields are listed in the approximate order in which they appear. Actually on both virtual chassis you should also configure 'no-split-detection': Thanks Jonas. Would you like to mark this message as the new best answer? Our campus and branch solutions, driven by Mist AI, deliver industry-leading insight, automation, and security to drive real business results. Once you poweroff/poweron the backup and if it comes back up then check in the console logs for any bad blocks etc during the boot up of backup. Thanks lot Ron. Reboot the Primary from the console or from the LCD panel. For more information, review KB31540 - Installing software on a Mixed-Mode Virtual Chassis . 2023 Juniper Networks, Inc., All rights reserved. Alarm Status: admin@switch> show system alarms 1 alarms currently active Alarm time Class Description request virtual-chassis renumber member-id 1 new-member-id 2, request virtual-chassis renumber member-id 0 new-member-id 1, request virtual-chassis renumber member-id 2 new-member-id 0. All rights reserved. 1) Change the Backup Role from FPC -0 to FPC-3. Can I also have ORION alert if it sees a presence change? I've been trying the same case but in non-provisioned mode , its a 3 member VC setup . They are short and very helpful. Now after the renumber , do i need to interchange the Interface Vlan assignmet or it will automaticllay get chnaged when we doing the memebr ID change ? Virtual Chassis Workflow for VC formation with Workflow for VC formation with Mist for EX2300, EX4650 and QFX5120 Modified on May 16, 2023 Please note that currently EX2300, EX4650 and QFX5120 do not form a virtual chassis (VC) by default, hence the following workflow to form a Virtual Chassis only applies to EX4650 and QFX5120 model switches. It is expected that once the master fails, you will recover it as soon as possible to avoid double RE failure. "vcp-0.32768" = INTEGER: up(1), JUNIPER-VIRTUALCHASSIS-MIB::jnxVirtualChassisPortOperStatus.1. [EX/QFX] Fixing a Virtual Chassis Member with an - Juniper Networks I wonder if it's a common thing to get EX2300 crashed, as it happened just a couple of days after running into production.. Yes You are right Ron, I followed below steps andinterface numbering changed throughout the entire steps. Finally you remove an leftover configuration for the newly removed switches under the virtual-chassis stanza. which might be better to give you a better overview of the box, e.g. edit virtual-chassisno-split-detection, http://www.juniper.net/documentation/en_US/junos14.2/topics/concept/virtual-chassis-mx-series-split-detection.html. I am also trying to do the same type of monitoring. Would you like to mark this message as the new best answer? Important to remember though that if you do this you need to be consoled in for that last part (step 3). Virtual-Chassis mastership priority confusion : r/Juniper - Reddit Thanks lot Ron. This site is protected by hCaptcha and its Alias support for Virtual Chassis and Virtual Chassis Fabric nodes, Command forwarding support for MX Series Virtual Chassis, Dedicated Virtual Chassis port link aggregation, Digital optical monitoring (DOM) on Virtual Chassis ports (VCPs), Enabling Ifstate, peer infra, and TCP/IP stack parallelization on Virtual chassis, Interchassis redundancy support using Virtual Chassis, LAG local minimum links per Virtual Chassis or VCF member, Layer 2 bridging support for MX Series Virtual Chassis, Link aggregation groups (LAGs) over Virtual Chassis ports (VCPs), MX Series Virtual Chassis commit time improvements, MX Series Virtual Chassis support for Layer 2 spanning-tree protocols, MX Series Virtual Chassis support for MX240 and MX480 member routers in a VC containing MX2010 or MX2020 member routers, MX Series Virtual Chassis support for determining member router health, MX Series Virtual Chassis support for inline flow monitoring, MX Series Virtual Chassis support for locality bias, MX Series Virtual Chassis support for logical systems, MX Series Virtual Chassis support for targeted traffic distribution and redundancy mechanisms, Member specification support in file commands for MX Series Virtual Chassis, Monitor Virtual Chassis ports (VCPs) with SNMP, RJ-45 interfaces as Virtual Chassis ports, Relay daemon code removed for MX Series Virtual Chassis, Subscriber management over MPLS pseudowire logical interface on virtual chassis, Virtual ChassisAutomatic software update on prospective member switches, Virtual ChassisAutoprovisioning of Virtual Chassis ports (VCPs), Virtual ChassisFront-panel configuration of uplink module ports as Virtual Chassis ports (VCPs), Virtual ChassisSFP uplink module port interconnection of member switches. Switches in a Virtual Chassis are called member switches of the Virtual Chassis. A QFX Series Virtual Chassis is a supported combination of interconnected QFX3500, QFX3600, QFX5100, QFX5110, QFX5120 or EX4650, QFX5200, and EX4300 switches operating as one logical device and managed as a single chassis. Thank you for your answers. You'll need to console in for the final part (changing 2 back to 0). and our I have two devices in a VC with static configuration through the serial number. How to alert on a secondary node in a Juniper VC my config is like this, i.e member 0 and 1 are REs for the VC ,member 2 is not pre-defined as linecard. Hi All a Virtual Chassis to ensure that the changes are saved on both Routing Engines. RE: EX2300 Virtual Chassis - NotPrsnt 1 Recommend mriyaz Posted 02-11-2020 02:00 Reply Reply Privately Hi Gabriel, If you have "no split-detection" in place, then the Master should working fine and current in Master state. This will help users who prefer to change any member in a Virtual Chassis to a Routing Engine role. I managed to get the scanerio working but it was not related to VC configiration, my scanerio consists on 3 member VC connected through LACP to a cisco catalyst 4510r+e , i reversed the port modes for juniper to be the active and cicso to be the passive and evertyhing is working fine now! 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. Just to be sure i reverted the changes and i again end up with loss of connectivty to my juniper stack. Do i need to remove every config on them ? This article provides a method for recovering the password and configuration for EX-series Switches that are in a Virtual Chassis (VC) setup. How to alert on a secondary node in a Juniper VC. Virtual Chassis Renumbering/Swap Member : Juniper - Reddit With Virtual Chassis, you can control multiple devices as a single device, have multiple Routing Engines in the stack, and use the graceful Routing Engine switchover (GRES) and Nonstop Active Routing (NSR). I'll mark it for the PM to see. Symptoms The management ethernet interface allows users to access the VC via any management Ethernet port of member switches. Is there a transform or something else I need to do to make this information usuable? After 5-10 minutes of time, new member will be added and VC Front Panel will be updated with 3 members. I want specific switches to keep their member number (the first digit in the port config ge-X/y/z) so that my port configurations don't go wrong if there's a reboot and the 1198 switch becomes member 0. [EX] Virtual-chassis member is having different software version SolarWinds solutions are rooted in our deep connection to our user base in the THWACK online community. SolarWinds solutions are rooted in our deep connection to our user base in the THWACK online community. They must run the same Junos OS version on all members, regardless of platform. Solution In order to restore the switch, it is necessary to remove the old VC files and restart the process by performing the following steps: (Optional) In some cases, it is necessary to delete the existing VC ports as an initial step: See request virtual-chassis vc-port delete for syntax and description. ), <-- FPC2 and FPC3 are running standard mode, (Use this mode to form mixed Virtual Chassis or mixed VCF. Yesterday the backup member stopped working - with status NotPrsnt. 3) Then I want to remove FPC 0 and FPC 2 from this virtual chassis. I was wondering if anyone has been able to get it to work to where you see member status under node details? "vcp-0.32768" = INTEGER: up(1), JUNIPER-VIRTUALCHASSIS-MIB::jnxVirtualChassisPortOperStatus.2. If you renumber the switches, then yes, you will have to redo the configuration. member | Juniper Networks When you change member 0 to member 1 (step 2) you will lose network comms. Virtual Chassis member ID re number | Switching I looked at the transform results help page but didn't see anything that applied to that. your best bet would be to walk .1.3.6.1.4.1.2636.3.40.1.4.1.1.1.2 and count the Serial numbers returned (or use the memberID, or MACs, or whatever). Virtual Chassis connectivity issues between remote locations else, if planned VCP is between backup and new member, Port IDs should be added under backup and new member. EX3400 Chassis | Juniper Networks We recommend them for new users. Thanks Ron. ), (Disable the Virtual Chassis fabric or mixed mode setting if it was previously enabled. Configuring an EX4650 or a QFX Series Virtual Chassis There is no current "member count" value in the OID tree. Edit virtual chassis window will not have Trash / Delete button when VCP links are connected and up. If both fails, the VC will stop forwarding packets. Welcome to the Juniper subreddit, a Subreddit dedicated to discussing Routers, Switches and Security Appliances manufactured by Juniper. Reddit, Inc. 2023. I ran into a problem where the EX4400-24T et-0/1/0 and et-1/1/1 ports did not appear in in the Junos configuration nor the Mist portal. I will perform this and let you know. Nice finding skills. ports to interconnect Virtual Chassis members, you must configure them as VCPs. Very interesting PR. You can have only two REs. I looked through the MIB but nothing was obviuos as member status to me. Would you like to mark this message as the new best answer? Backup is optional and can be set by user. "vcp-0.32768" = INTEGER: up(1), JUNIPER-VIRTUALCHASSIS-MIB::jnxVirtualChassisPortOperStatus.0. Reddit, Inc. 2023. Can this be confirmed or am i missing something. if planned VCP is between primary and new member, Port IDs should be added under primary and new member. https://www.mist.com/documentation/step-by-step-process-for-vc-formation-with-mist/, Do Not Sell or Share My Personal Information, Onboard (claim / adopt) multiple EX / QFX switches into MIST (say Mist-ex2300-1, Mist-ex2300-2, Mist-ex2300-3 & Mist-ex2300-4). Juniper Networks is dedicated to dramatically simplifying network operations and driving superior experiences for end users. .Kindly guide for these above mentioned tasks too. You can check if there is a mode mismatch by running show virtual-chassis mode : You can fix this problem by running request virtual-chassis mode on the affected members. Thank you for your answers. You have to be careful not removing both paths in your VC, but something like with the assumption that your have cabled your VC in a ring-topology. no-split detection is configured. I will try to guide you and start by highly recommend you to schedule a maintenance window for this and copy a backup of your configuration of box, just in case. Scan this QR code to download the app now. So the VC is not functioning properly. Additionally you need to have 50%+1 of the switches still in the VC in order for the VC to stay alive. If backup is not set, it will be configured as linecard role. "vcp-1.32768" = INTEGER: up(1), JUNIPER-VIRTUALCHASSIS-MIB::jnxVirtualChassisPortOperStatus.3. "vcp-0.32768" = INTEGER: up(1), JUNIPER-VIRTUALCHASSIS-MIB::jnxVirtualChassisPortOperStatus.3. Option 2: If the problem persists, isolate the inactive members from the VC and upgrade them individually by performing the following steps: Isolate the affected switch (the Inactive member) by unplugging the VCP cables. Dont have a login? After some digging, it really looks like the mentioned issue:https://prsearch.juniper.net/InfoCenter/index?page=prcontent&id=PR1442376 and in the thread on forum -https://forums.juniper.net/t5/forums/v3_1/forumtopicpage/board-id/JUNOS/thread-id/14654/page/3, I rebooted the switch and it started to work again (probably temporarly), I'll try to make an upgrade soon to18.2R3-S2 from. Thanks for help. I have 3 member Ex- 4200 virtual chassis set up. In NPM when you list resource on a Juniper switch you can see the Virtual Chassis Port (VCP), enable monitoring on these ports and create and up/down alert on the interface, If the switch is down or missing a cable you will be notified. Navigate to switches tab and ensure all four switches are seen, Ensure the Switches are connected to the cloud & configuration by Mist is enabled, Select Mist-ex2300-1 and Mist-ex2300-2 and click on More > Form virtual chassis, Form virtual chassis option will be seen only if all devices are having same version. HI Gabriel I will be testing this on a staging setup and will update my post if it was 100% successful. ), KB31540 - Installing software on a Mixed-Mode Virtual Chassis, [EX/QFX] Routing Engine stuck in 'Linecard' role, Converting a Virtual Chassis Member Role from Linecard to Backup, [EX] Resolution Guide - Troubleshoot Virtual Chassis (VC). This thread already has a best answer. This topic discusses configuring an EX4650 or a QFX Series Virtual Chassis. A reboot is required after running these commands. Monitoring Juniper Virtual Chassis Members jlogle over 12 years ago I would like to be able to monitor members of the virtual chassis on Juniper EX series switches. To that end, I added the follwing and tried to commit. If I use the command user@SWA-0> request virtual-chassis renumber member-id 3 new-member-id 0 , what will be the impact on the interface configuration and vlan assignment? Output from the show virtual-chassis command continues to display the member ID of the disconnected member with a status of NotPrsnt. Different options exist: Note: You can add the option " member " to execute the command on a specific switch only. Major alarm will shown in logs that Virtual-chassis member is having different version, however all members are running on same version and status of VC member is Present. Troubleshooting an EX Series Virtual Chassis - Juniper Networks [EX] Converting a Virtual Chassis Member Role from - Juniper Networks virtual-chassis { preprovisioned; member 1 { role routing-engine; serial-number BBBBBBBB; } member 0 { role routing-engine; serial-number AAAAAAAAA ; } } Symptoms How do I change my Linecard to a Backup? Virtual Chassis operation when both Master and backup member fail Example Learn how to become a member. After removing VCP link, Edit virtual chassis window shows a broken link and Trash button would be visible which can be used to delete this member from virtual chassis. Some early EX code had a few bugs which would cause the chassis to break, and then things would sometimes renumber once they were rebooted. and I guess i need to POWER UP FPC 0 first in order to make it master ? I wan to reorder the member ID from 1,0 to 0,1 . , Do i need to apply replace pattern ge-3/ with ge-0/ to take effect the previous interface configuration ? Now, virtual chassis is again left with two members after deleting newly added member. I tried to connect to the backup switch by console cable, but the console connection also didn't work, so I suppose that the switch is dead (but ports blink) The question is - if I poweroff/poweron the backup switch and it will add to virtual-chassis after reboot, will it disturb network on master switch? Learn how to become a member. where FPC 0 would be master and FPC 2 would be backup. After the device comes up you can check again for the vc-ports status: root> show virtual-chassis vc-port. "vcp-1.32768" = INTEGER: up(1), [this should be a Table poller with the values as an enumeration to you get up/down/unknown instead of numerical values]. Here is the Juniper MIB for reference. For information on configuring a Virtual Chassis Fabric (VCF), see Understanding Virtual Chassis Fabric Configuration. I have Virtual Chassis with two members - master and backup. Dont have a login? You can designate the member ID that is assigned to a specific switch by creating a permanent association between the switch's serial [EX] Converting a Virtual Chassis Member Role to - Juniper Networks Have you set no-split-detect? 5) I want to change FPC 1 to FPC 0 ( MASTER) and FPC 3 TO FPC 1 ( Backup). We do preprovisioned just to be sure that things don't ever get changed once we set them up. you only have vcp-0 and vcp-1 even in multi-chassis systems. We're sorry this page did not help you. Solution In this case, the member switch can be accessed by using the following shell command: root% rlogin -Ji fpc <member-id> Modification History 2020-02-27: Article checked for accuracy; content re-arranged for clarity; article found valid AFFECTED PRODUCT SERIES / FEATURES I am new to ORION. To delete an existing member from VC, VCP link should be removed physically (this will move desired member to not-present state). I've been trying the same case but in non-provisioned mode , its a 3 member VC setup . There is no default member ID in an EX8200 or EX9200 Virtual Chassis. If I need to remove whole config on them then how i can remove whole config of previous virtual chassis configure on them ? Click on Form Virtual Chassis and wait for 3-5 minutes till VC formation happens. Learn how to become a member. edit virtual-chassis no-split-detection https://www.juniper.net/assets/scripts/global-nav.js, https://events.juniper.net/assets/scripts/custom/events.js. In NPM when you list resource on a Juniper switch you can see the Virtual Chassis Port (VCP), enable monitoring on these ports and create and up/down alert on the interface, If the switch is down or missing a cable you will be notified. This mib is available in Junos 16.1 and should provide the information that you are looking for. Monitoring Juniper Virtual Chassis Members - Forum - Network This thread already has a best answer. The Virtual Chassis contains only EX4650-48Y switches and has two member switches in Routing Engine role (master, backup) and the remaining members in linecard role. Thanks for your valuable inputs. Monitoring Juniper Virtual Chassis Members, http://www.oidview.com/mibs/2636/JUNIPER-MIB.html. I have four ex-4300 switches configured in a single virtual chassis. I bit confused , why we go for preprovisioned method ? as an aside jnxVirtualChassisMemberTable has some more interesting variables, e.g. I was wondering if anyone has been able to get it to work to where you see member status under node details? We have NPM version 10.1 and NCM 6.0. Dont have a login? Your issue might be related to the following PR, https://prsearch.juniper.net/InfoCenter/index?page=prcontent&id=PR1442376, Thanks for help. FPC-1 is my master and FPC-0 is my backup , FPC 2 and FPC 3 are in linecard role. More than 190,000 members are here to solve problems, share technology and best practices, and directly when VC formation is in progress, switch status will be displayed as VC forming, After VC formation is successful, switch list page displays only one entry with primary switch name. 2) After that FPC1 would be my master and FPC 3 would be my backup. Can you please check below changes will do this ? You might find an OID for member status or such. All rights reserved. I will be testing this on a staging setup and will update my post if it was 100% successful. Symptoms The Virtual Chassis is formed using the uplink ports (VCEP). https://www.juniper.net/assets/scripts/global-nav.js, https://events.juniper.net/assets/scripts/custom/events.js, Virtual Chassis operation when both Master and backup member fail, RE: Virtual Chassis operation when both Master and backup member fail. -------------------------------------------------------------------------------, root@sw5.mtl4> show virtual-chassis status, Preprovisioned Virtual ChassisVirtual Chassis ID: 8fa1.ded1.a1d1Virtual Chassis Mode: Enabled Mstr Mixed Route Neighbor ListMember ID Status Serial No Model prio Role Mode Mode ID Interface, 0 (FPC 0) Prsnt PE3717273221 ex4300-48t 129 Backup N VC 1 vcp-255/1/0, 2 vcp-255/1/11 (FPC 1) Prsnt PE3717278547 ex4300-48t 129 Master* N VC 3 vcp-255/1/0 0 vcp-255/1/12 (FPC 2) Prsnt PE3717274806 ex4300-48t 0 Linecard N VC 0 vcp-255/1/0 3 vcp-255/1/13 (FPC 3) Prsnt PE37172704790 ex4300-48t 0 Linecard N VC 2 vcp-255/1/0 1 vcp-255/1/1, -------------------------------------------------------------------------------------------------------------------------------------------------, {master:1}root@sw5.mtl4> show configuration virtual-chassis | display setset virtual-chassis preprovisionedset virtual-chassis member 0 role routing-engineset virtual-chassis member 0 serial-number PE3717273221set virtual-chassis member 1 role routing-engineset virtual-chassis member 1 serial-number PE3717278547set virtual-chassis member 2 role line-cardset virtual-chassis member 2 serial-number PE3717274806set virtual-chassis member 3 role line-cardset virtual-chassis member 3 serial-number PE37172704790. To commit all changes to the active configuration, select Commit Options > Commit. For more information, please see our Thanks a lot Jonas . There are two methods to fix this scenario: Option 1 : Re-install the same Junos OS version that is running on the active VC members on the inactive members as well by executing request system software add package-name member , and then reboot the affected switches. https://www.juniper.net/assets/scripts/global-nav.js, https://events.juniper.net/assets/scripts/custom/events.js. I have a pair of EX3400-48P's running 20.4R3-S5 in a Virtual Chassis. I wonder if it's a common thing to get EX2300 crashed, as it happened just Hi Gabriel, If you see a crash file in /var/tmp/ then please have it checked on a JTAC case. I have four ex-4300 switches configured in a single virtual chassis. It went smooth. i have tried disabling split , but no change. Top Replies In this example, the Primary and Backup members have a status of Present; however, one of the members (FPC 1) reports the status as Inactive : The show version command displays the Junos OS version for all the members that are physically connected (including Present and Inactive members): There are two methods to fix this scenario: Option 1 : Re-install the same Junos OS version that is running on the active VC members on the inactive members as well by executing request system software add package-name member , and then reboot the affected switches. This article is part of the EX Resolution Guide: KB21064 - Verifying health of Virtual Chassis and troubleshoot if the members are not all present . Hello, interface numbering changed throughout the entire steps. Understanding QFX Series Virtual Chassis - Juniper Networks The previous ECalderon'spost might be the issue since you console to the device and not get any output, the switch could still forward traffic for sometime, but later might stop What is your current switch version? By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. Kudos. Thanks for your valuable inputs. 2) After that FPC1 would be my master and FPC 3 would be my backup.
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