Virtual Chassis is a feature on Juniper Networks routing or switching devices that provides network resiliency in the form of redundant Routing Engines and network expansion flexibility with minimal impact to a configuration. Wtf switch Bs new IP stops pinging once switch As ip starts pinging again. RE: How does Virtual Chassis avoid STP loops? Hi All Thanks a lot Jonas . Follow the steps that are relevant for your device: Collecting Logs from a Standalone Switch Collecting Logs from Virtual Chassis/Virtual Chassis Fabric Collecting Host Logs (QFXs / EX4600) By providing Class 3 PoE with 15.4 watts on some or all ports to power voice over IP (VoIP) telephones, closed-circuit security cameras, wireless access points, and other IP-enabled devices, the EX4200 delivers a future-proofed solution for converging disparate networks onto a single IP infrastructure. I have four ex-4300 switches configured in a single virtual chassis. Juniper Virtual Chassis - EX3400 : r/Juniper - Reddit to ten 10-Gigabit Ethernet interfaces (100 Gbps), we recommend that PDF 256 OS Software Installation and Upgrade Guide - Juniper Networks Symptoms Note: This guide assumes that you have the Virtual Chassis configured. Up to 10 interconnected EX4200 switches can be managed as a single device. I want to know is there anydifferences between mx and ex when usevirtual chassis? Between each step you can validate via the 'show virtual-chassis vc-port' command. because the previous config would be present on them . RE: Virtual Chassis operation when both Master and backup member fail. I will perform this and let you know. A Virtual Chassis configuration is a scalable switch. If I need to remove whole config on them then how i can remove whole config of previous virtual chassis configure on them ? This is a Resolution Guide, which steps you through the method to check the Virtual Chassis status and troubleshoot virtual-chassis members if they are not in an Active/Healthy (Present) state. Juniper, Networking In MX VC, both chassis are forwarding traffic. Cloud-Ready EX Series Switches Design Considerations for Virtual Chassis Now all we have to do is to link the connections on tcp/513 to the IPs on the chassis. I'm a cisco guy so I got couple of questions about how juniper does it: 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. Log into ask questions, share your expertise, or stay connected to content you value. In addition, the EX4200 supports rich quality of service (QoS) functionality for prioritizing data, voice and video traffic. https://www.juniper.net/assets/scripts/global-nav.js, https://events.juniper.net/assets/scripts/custom/events.js, virtual chassis different between mx and ex, RE: virtual chassis different between mx and ex. In a Virtual Chassis configuration, all switches are monitored and managed as a single device, enabling enterprises to separate physical topology from logical groupings of endpoints and allowing more efficient resource utilization. where FPC 0 would be master and FPC 2 would be backup. virtual-chassis | Juniper Networks Actually on both virtual chassis you should also configure 'no-split-detection': Thanks Jonas. Ok I could manually give interface IRB a new hardware address but what else will be unexpectedly broken later? Symptoms When you log in to a member switch of the Virtual Chassis by using the following command via the CLI: Solution Increase the mastership-priority parameter of the device that you desire to change to a higher value than that of the current primary Routing Engine. I'm building out some Juniper QFX5110 switches for layer-2 in a new colo. All EX4200 switches include HA features such as redundant, hot-swappable internal power supplies and field-replaceable, multi-blower fan trays to ensure maximum uptime. http://www.juniper.net/techpubs/en_US/junos13.2/topics/concept/virtual-chassis-ex8200-components.html, http://www.juniper.net/techpubs/en_US/junos13.2/topics/concept/virtual-chassis-ex4200-components.html, http://www.juniper.net/techpubs/en_US/junos13.3/topics/concept/virtual-chassis-mx-series-components.html. performs traffic load balancing across all of the Virtual Chassis standard network port. Shut mgmt port on our oob switch for sw A and no shut port for sw B. This thread already has a best answer. exceeds 9150 bytes. Users can select from the existing profiles or create their own and apply them through the command line interface (CLI), J-Web interface or management system. dear all, There is no way configuring them as active/standby. This thread already has a best answer. Set a description of the location of the Virtual Chassis or VCF member switch or external Routing Engine. The EX4200 line of Ethernet switches deliver the same HA functionality and support many of the same failover capabilities as other Juniper chassis-based systems. of the Virtual Chassis and two 10-Gigabit Ethernet interfaces (20 Once you go virtual-chassis you don't go back. : r/Juniper - Reddit Log into switch A. Its still the only VC member with no VC-PORTS. An integrated Layer 2 and Layer 3 Graceful Route Engine Switchover (GRES) feature maintains uninterrupted access to applications, services and IP communications in the unlikely event of a primary RE failure. Currently both of the switches running their own configuration and have a different ip addresses for management .and both of the running different JUNOS version. The hell? The Juniper Networks EX4200 line of Ethernet switches with Virtual Chassis technology combine the high availability (HA) and carrier-class reliability of modular systems with the economics and flexibility of stackable platforms, delivering a high-performance, scalable solution for data center, campus and branch office environments. Come in the next morning, sit down to configure them. Using Virtual Chassis technology, up to 10 EX4200 switches can be interconnected to create a single logical device spanning multiple wiring closets, floors or even buildings. Recycle member 1. My guess was that the console redirection would have to be an IP connection between the non-master member and the member, and the logical place for that to occur would be on the inter-chassis connections within the VC. Although a Virtual Chassis port Call a Specialist Today! 0 Recommend JACK LAN Posted 03-10-2021 00:27 Reply Reply Privately It is claimed that Juniper's Virtual Chassis technology, eliminates the need for Spanning Tree Protocol (STP). 02038976480 This restriction has no effect on access ports or uplink ports To ease deployment, the EX4200 supports the industry-standard Link Layer Discovery Protocol (LLDP) and LLDP-Media Endpoint Discovery (LLDP-MED), which enable the switches to automatically discover Ethernet-enabled devices, determine their power requirements and assign virtual LAN (VLAN) parameters. Same thing if you create a chassis cluster, the RE is always Active/Passive, but you can have A/A nodes routing traffic or A/P. equivalent to no less than 50 percent of the aggregate bandwidth required Note: We recommend that you configure Virtual Chassis ports on 10-Gigabit Support for Graceful Route Engine Switchover (GRES) ensures a smooth and seamless transfer of control plane functions following a master Engine failure. Write down the IPs assigned to the bme0 interface. Each Virtual Chassis group utilizes a single JUNOS Software image file and a single configuration file, reducing the overall number of units to monitor and manage. 1) Change the Backup Role from FPC -0 to FPC-3. Additionally you need to have 50%+1 of the switches still in the VC in order for the VC to stay alive. For completeness, repeat your test by logging in to the remaining members and checking the system connections and you will have complete confirmation of your connectivity. Chassis port, that port is dedicated to the task of interconnecting RE: QFX-5120-48Y Virtual Chassis 0 Recommend pradkm All rights reserved. First, we should filter to connections that show ESTABLISHED, as nothing else is relevant. All prices displayed are Ex-VAT. Configure redundant Virtual Chassis ports that reside Two port VC is up but VC status is NotPrsnt. How does Virtual Chassis avoid STP loops? Inside Juniper EX Virtual-Chassis Console Connections With any luck, youll see the two sides of the console connection showing up (one from the originating member, and one from the master which is the endpoint for the connection). The EX4200 also includes the integrated J-Web management tool, an embedded device manager that allows users to configure, monitor, troubleshoot and perform system maintenance on individual switches via a browser-based graphical interface. Make sure that you have a connection to the master switch, and that nobody is connected on a console. A Virtual Chassis configuration has two Routing Enginesone is the switch in the primary Routing Engine role and the other is the switch in the backup Routing Engine role. In the past we've used Nexus and vPC*. Solution The load factory-default command is not supported on a multimember Virtual Chassis configuration. Planning EX4200, EX4500, and EX4550 Virtual Chassis. Dual rear-panel Virtual Chassis ports enable EX4200 switches to be interconnected over the 128 Gbps virtual backplane. For example: tcp4 0 0 128.0.0.1.513 128.0.0.6.1014 ESTABLISHED When two EX4200 switches are interconnected, JUNOS automatically initiates an election process to assign a master (active) and backup (hot-standby) Route Engine. Finally you remove an leftover configuration for the newly removed switches under the virtual-chassis stanza. These solutions include a new class of secure, scalable and always-on enterprise switch that advances the economics of networking by enabling businesses to deploy innovative new technologies that increase revenue and improve productivity. 1. Virtual Chassis makes the 2 or more devices perform as a single L2 device so only one RE can be active at a time. By utilizing a consistent operating system and a single configuration file, all switches in a Virtual Chassis configuration are treated as a single device, simplifying overall system maintenance and management. The EX4200 switches are single rack-unit devices that deliver a compact solution for crowded wiring closets and access switch locations where space and power are at a premium. [EX] Converting a Virtual Chassis Member Role to - Juniper Networks It doesnt work. The Junos OS software enables you to preconfigure ports that The EX4200 line of Ethernet switches fully integrate with the Juniper Networks Unified Access Control (UAC), which consolidates all aspects of a users identity, device and location, enabling administrators to enforce access control and security down to the individual port or user levels. Well the differences between MX and different type of EX platforms can be very radical. Would you like to mark this message as the new best answer? Symptoms Clearly theyre not really in the inet.0 routing table, otherwise a huge chunk of the Internet would be unavailable when traffic was routed through the switch, but nonetheless those are the IPs in use, so that gives us something to look for. Offering a full suite of Layer 2 and Layer 3 switching capabilities as part of the base software, the EX4200 satisfies a variety of high-performance applications, including branch, campus and data center access deployments as well as Gigabit Ethernet (GbE) aggregation deployments. Verify spanning-tree is not blocking anything, it isnt. Virtual Chassis operation when both Master and backup member fail Troubleshooting an EX Series Virtual Chassis - Juniper Networks Creating Virtual Chassis with EX3400's | Switching - Juniper Networks If I find out, Ill update the post to say so. January 14, 2014 I have not done enough testing yet to know whether there is a consistent relationship between member number and IP addressing. Solution To recover the password and configuration: Connect a console cable to the Primary EX Switch in the Virtual Chassis. The EX4200 runs on JUNOS Software, the same operating system software used by Juniper Networks routers to power the worlds largest and most complex networks. Thanks a lot Jonas . Each EX4200 switch includes an integrated application-specific integrated circuit (ASIC)-based Packet Forwarding Engine, the EX-PFE, while an integrated Routing Engine (RE) delivers all control plane functionality. I want to know is there any differences between mx and ex when use virtual chassis? [EX/QFX] Resolution Guide - Troubleshoot Virtual Chassis (VC) Switches deployed in close proximity, such as wiring closets or top-of-rack data center applications, can be securely connected using a Virtual Chassis cable and cable lock supplied by Juniper Networks. So how can we see what connections exist to interface bme0? WTF. I am unable to grasp how does that happen. Why isnt this working?! Solution Note that collection of logs differs across Juniper Networks EX Series and QFX Series platforms. All rights reserved. Understanding EX Series Virtual Chassis | Juniper Networks More pricing below, click here! Notify me of follow-up comments by email. Why did sw B stop pinging?? The user data packet is transmitted in its entirety across the Virtual By utilizing a common operating system, Juniper delivers a consistent implementation and operation of control-plane features across all products. Quickly try to ping from one IRB to the other before proceeding. 4) After the removal of FPC 0 and FPC 2 , Only two members ( FPC 1 and FPC 3 will left in that virtual chassis). 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. an MX Series Virtual Chassis configuration, user data packets that Proceeds to walk down to the DC with console cable. interfaces into a trunk, reduces the routing cost accordingly, and Contact Juniper Networks directly: 02038103904. When combined with the field-proven JUNOS Software and L2/L3 failover capabilities, these features provide the EX4200 with true carrier-class reliability. Do you have time for a two-minute survey? However, the router does not apply the configuration The configuration is Below 2. When two or more EX4200 switches are interconnected, they share a single control plane among all Virtual Chassis member switches. The switch model is accompanied by the maximum number of members allowed in the Virtual Chassis. It turns out that the connections between the switches are in a constant state of flux, and the diff was showing that almost every connection had changed between the two grabs I executed. Log into ask questions, share your expertise, or stay connected to content you value. They STILL think theyre VCed together. [EX] How to upgrade the software version for an EX-Series Switch How does Virtual Chassis avoid STP loops? How does Virtual Chassis avoid STP loops? | Switching - Juniper Networks There is no way configuring them as active/standby. Really appreciate it. ** NEBS certified. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This site uses Akismet to reduce spam. Absolutely not. Once youve done that for all member switches, youll have a list of all the IPs (or at least, the last octet of the IP address) and which switch they exist on: In my case, I found that all three switches had a unit with the IP address 128.0.0.32, so its a fair assumption that since that IP is not unique, you can safely ignore it as it wont be a destination for the console connection. I performed this activity and your steps helped me a lot. and I guess i need to POWER UP FPC 0 first in order to make it master ? through theJuniper website that you show ,i have a another question. Solution 10-Gigabit Ethernet interfaces (20 Gbps) on the access-facing side The Junos OS software enables you to preconfigure ports that are currently unavailable for use. To maintain that consistency, JUNOS adheres to a highly disciplined development process that utilizes a single source code, follows a single quarterly release train, and employs a highly available modular architecture that prevents isolated failures from bringing an entire system down. FPC 0 and FPC-2 would be in linecard role. John Herbert [QFX] Virtual chassis with two QFX5100 members is - Juniper Networks Trunk the vlan on the inter switch link. The following examples illustrate these recommendations: If the bandwidth in your network is equivalent to two Solutions that use the EX4200 line with Virtual Chassis technology combine the scalability and compact form factor of stand-alone switches with the high availability, high backplane bandwidth characteristics and high port densities of traditional chassis-based switches. In addition, make sure that the Virtual Chassis port bandwidth is Guide for Virtual Chassis configuration (Pre-provisioned) Damn. Verify all the members are running the same JUNOS Version: root@switch> show version 2. Switches in a Virtual Chassis are called member switches. location (Virtual Chassis) | Juniper Networks Understanding EX Series Virtual Chassis | Junos OS | Juniper Networks The EX4200 implements the same slot/module/port numbering schema as other Juniper Networks chassis-based products when numbering Virtual Chassis ports, providing true chassis-like operations. 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). 5. 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. the same two member routers in an MX Series Virtual Chassis, the Virtual Learn how to become a member. reassembly are not supported on Virtual Chassis port interfaces, user See Understanding EX8200 Virtual Chassis Components for information about EX8200 Virtual Chassis. I have four ex-4300 switches configured in a single virtual chassis. The EX4200 Ethernet switch with Virtual Chassis technology delivers a high-performance, scalable and highly reliable solution for data center, branch and campus environments. So we unboxed some new EX4600s, and got them bench upgraded and in a virtual-chassis. LAG load-sharing algorithmBridged Unicast Traffic: LAG-sharing algorithmRouted Unicast Traffic: LAG load-sharing algorithm Bridged Multicast Traffic: LAG-sharing algorithm Routed Multicast Traffic: Scheduling methods (egress): Strict priority (SP), Shaped Deficit Weighted Round-Robin (SDWRR), 802.1p, DSCP /IP Precedence trust and marking. Once you go virtual-chassis, you dont go back. Theyre both pinging! Dont have a login? This thread already has a best answer. Site Terms and Privacy Policy, 24-port 100/1000BASE-X SFP + 320W AC PSU Including 50cm Virtual Chassis cable, Juniper Networks EX4200 Ethernet Switches with Virtual Chassis Technology Datasheet, 128 Gbps Virtual Chassis interconnect to combine up to 10 units as a single logical device, 17.41 x 1.72 x 16.43 in (44.21 x 4.32 x 41.73 cm), 28 (24 host ports + four-port GbE uplink module), Internal, hot-swappable redundant power supply; field-replaceable fan tray with three fans; graceful Route Engine switchover (GRES) in Virtual Chassis configuration, Reduction of Hazardous Substances (ROHS) 5, Limited lifetime switch hardware warranty, Redundant, internal hot-swappable power supplies, Hot-swappable fan tray with redundant blowers, Consistent modular JUNOS Software control plane feature implementation, Dual Route Engines with Graceful Routing Engine Switchover (GRES), Scales from 24 to 480 ports with up to 20 10 GbE uplinks, Virtual Chassis configuration consisting of 10 switches, 4-port GbE module with pluggable SFP optics, 2-port 10 GbE module with pluggable XFP optics, Dual-mode 2-port 10 GbE SFP+ / 4-port GbE SFP module with pluggable SFP+/SFP optics, DC power supply: 190 W DC, input voltage range 36 V - 72 V, dual input feed, dual load-sharing hot-swappable internal redundant power supplies, Minimum number of PSUs required for fully loaded chassis: 1 per switch, Field-replaceable fan tray with multiple blowers (3), Switch remains operational even if one blower fails, C-UL to CAN/CSA 22.2 No.60950-1(First Edition), TUV/GS to EN 60950-1, Amendment A1-A4, A11, GR-1089-Core: EMC and Electrical Safety for Network Telecommunications Equipment, All models except EX4200-24P and EX4200-48P, Department of Defense (DoD) Unified Capabilities (UC), 100 Mbps optic/connector type: LC SFP fiber supporting 100BASE-FX SFP (multimode), LX (single-mode) and BX (single-strand), GbE SFP optic/connector type: RJ-45 or LC SFP fiber supporting 1000BASE-T SFP, SX (multimode), LX (single-mode), LH/ZX (single-mode) and BX (single strand), 10GbE XFP optic/connector type: 10GE XFP LC connector, SR (multimode), LR (single-mode), ER (single-mode) or ZR (single-mode), 10GbE SFP+ optic/connector type: 10GE SFP+ LC connector, SR (multimode), USR (multimode), LR (single-mode), ER (singlemode), LRM (multimode) and DAC (direct-attach copper), Time Domain Reflectometry (TDR) for detecting cable breaks and shorts: 24P/24T and 48P/48T only, Auto MDI/MDIX support: 24P/24T and 48P/48T only (all ports), Port speed downshift/setting max advertised speed on 10/100/1000BASE-T ports: 24P/24T and 48P/48T only, on all ports, Physical port redundancy: Redundant trunk group (RTG), IEEE 802.1AB: Link Layer Discovery Protocol (LLDP), IEEE 802.1s: Multiple instances of Spanning Tree Protocol (MSTP), IEEE 802.1w: Rapid reconfiguration of Spanning Tree Protocol, IEEE 802.3ad: Link Aggregation Control Protocol, Max number of IPv4 unicast routes in hardware: 10,000, Max number of IPv4 multicast routes in hardware: 2,000, Routing protocols: RIPv1/v2, OSPF, BGP, IS-IS, Max number of Neighbor Discovery (ND) entries: 16,000 (shared with IPv4), Max number of IPv6 unicast routes in hardware: 1,000, RFC 2460 Internet Protocol, Version 6 (IPv6) Specification, RFC 2461 Neighbor Discovery for IP Version 6 (IPv6), RFC 2462 IPv6 Stateless Address Autoconfiguration, RFC 2463 Internet Control Message Protocol (ICMPv6) for the Internet Protocol Version 6 (IPv6) Specification, RFC 2464 Transmission of IPv6 Packets over Ethernet Networks, RFC 2526 Reserved IPv6 Subnet Anycast Addresses, RFC 2283 Multiprotocol Extensions for BGP-4, RFC 2545 Use of BGP-4 Multiprotocol Extensions for IPv6 Inter-Domain Routing, RFC 2893 Transition Mechanisms for IPv6 Hosts and Routers, RFC 3484 Default Address Selection for Internet Protocol Version 6 (IPv6), RFC 3513 Internet Protocol Version 6 (IPv6) Addressing Architecture, Internet draft-ietf-isis-ipv6-06.txt, Routing IPv6 with IS-IS, RFC 1812 Requirements for IP Version 4 Routers, RFC 1256 IPv4 ICMP Router Discovery (IRDP), RFC 5176 Dynamic Authorization Extensions to RADIUS, RFC 2267 Network Ingress FilteringRFC 2030 SNTP, Simple Network Time Protocol, RFC 2131 BOOTP/DHCP relay agent and DHCP server, RFC 2154 OSPF w/Digital Signatures (Password, MD-5), RFC 3569 draft-ietf-ssm-arch-06.txt PIM-SSM PIM Source Specific Multicast, RFC 1965 Autonomous System Confederations for BGP, RFC 2796 BGP Route Reflection (supersedes RFC 1966), RFC 1745 BGP4/IDRP for IP-OSPF Interaction, RFC 2385 TCP MD5 Authentication for BGPv4, RFC 2918 Route Refresh Capability for BGP-4, RFC 3392 Capabilities Advertisement with BGP-4, RFC 4360 BGP Extended Communities Attribute, RFC 4486 Subcodes for BGP Cease Notification message, RFC 1195 Use of OSI IS-IS for Routing in TCP/IP and Dual Environments (TCP/IP transport only), RFC 2474 DiffServ Precedence, including 8 queues/port, RFC 2598 DiffServ Expedited Forwarding (EF), RFC 2597 DiffServ Assured Forwarding (AF), RFC 2475 DiffServ Core and Edge Router Functions, LLDP Media Endpoint Discovery (LLDP-MED), ANSI/TIA-1057, draft 08, Draft-ietf-idr-restart-10.txt Graceful Restart Mechanism for BGP, Draft-ietf-isis-restart-02 Restart Signaling for IS-IS, PIM-DM Draft IETF PIM Dense Mode draft-ietf-idmr-pim-dm-05.txt, draft-ietf-pim-dm-new-v2-04.txt, Draft-ietf-isis-wg-multi-topology-11 Multi Topology (MT) Routing in IS-IS, Draft-ietf-bfd-base-05.txt Bidirectional Forwarding Detection, Allowed MAC addresses configurable per port, VLAN-based ACL (VACL) Ingress and Egress, Router-based ACL (RACL) Ingress and Egress, ACL entries (ACE) in hardware per system: 7,000, Ability to add/remove/change ACL entries in middle of list (ACL editing), 802.1X with authentication bypass access (based on host MAC address), 802.1X dynamic ACL based on RADIUS attributes, 802.1X Supported EAP types: MD5, TLS, TTLS, PEAP, Redundant, field-replaceable, hot-swappable fans, Graceful Route Engine Switchover (GRES) for Layer 2 hitless forwarding and Layer 3 protocols on RE failover, Layer 2 hitless forwarding on RE failover, Online insertion and removal (OIR) uplink module.