Vlan tagging juniper ex. I can't ping the srx from the ex.
Vlan tagging juniper ex A VLAN has the same general attributes as a physical LAN, but it allows all nodes for a particular VLAN to be grouped together, regardless Dec 14, 2020 · Hello. In this case you run 1 subnet on top of a VLAN. I want to use vlan 1510 as an outer TAG to send my local vlans double tagged with 1510 and send over my ISP to my remote location. 3. A. This creates the following VLANs and tags: VLAN employee-10, tag 10 VLAN employee-11, tag 11 VLAN employee-12, tag 12 Creating tagged VLANs in a series has the following limitations: Layer 3 interfaces do not support this feature. The to-vlan-id is a VLAN you configure on the device with the specified interface as a member of that VLAN. 1Q is the networking standard that defines VLAN (Virtual Local Area Network) tagging on Ethernet frames. [edit vlans vlan-name] hierarchy level introduced in Junos OS Release 12. A Layer 3 subinterface is a logical division of a physical interface that operates at the network level and therefore can receive and forward 802. set interfaces ge-0/0/4 unit 0 family ethernet May 22, 2010 · Description This article provides information about tagged behavior on an EX Series switch, when a native VLAN ID is configured. KH Posted 10-26-2020 06:58 Reply Reply Privately Options Dropdown Hi, could you please share the following outputs: show vlans extensive show vlans pvlan extensive Juniper Networks devices provide Layer 2 loop prevention through Spanning Tree Protocol (STP), Rapid Spanning Tree Protocol (RSTP), Multiple Spanning Tree Protocol (MSTP), and VLAN Spanning Tree Protocol (VSTP). Receive traffic back from remote device. The below topics discuss the overview of LACP on standalone devices, examples of configuring LACP, LAG and LACP support line devices. A, right? My guess is that vlan A and vlan C are using the same vlan-id/tag, so the DHCP packets were able to reach the For example, you could configure the VLAN employee and specify a tag range of 10 through 12. Configure tagged aggregated Ethernet. Consult the following for a list of switches that support ELS Junos OS: Software Feature: Uniform Enhanced Layer 2 Software (ELS) CLI configuration statements and operational commands Symptoms On switches with non-ELS Junos OS, the native VLAN will NOT tag traffic if Bind TPIDs and 802. And I've seen flexible-vlan-tagging on MX series too and used them in bigger environments. Solution Example Topology Mar 2, 2008 · The Voice VLAN feature in EX-series switches enables access ports to accept both data (untagged) and voice (tagged) traffic and separate that traffic into different VLANs. The inner tag is not restricted. 9. What is Private VLAN: To begin with PVLAN, let’s look at the concept of VLAN as a broadcast domain. Sorry if this a dumb question. 1X49-D120. 1Qタグが割り当てられます。このタグはVLAN内の各フレームに関連付けられており、トラフィックを受信するネットワークノードはタグを使用してフレームが関連付けられているVLANを識別できます。 Apr 20, 2017 · Description This article provides an example configuration of Q-in-Q tunneling for receiving both untagged and tagged traffic using a customer scenario with the following requirements: Accept any type of frames (tagged/untagged) from clients. the two are not talking to each other. Mar 29, 2024 · Description This article explains a scenario when the Native VLAN-ID is configured on one side whereas the other end is not having Native VLAN-ID configured. Private VLAN (PVLAN) - PVLAN use a combination of primary and secondary VLANs. The from-vlan-id and to-vlan-id VLAN IDs can have values between 1 and 4094. For more information, see Stacking a VLAN Tag. (https://supportportal. 3R. Aug 28, 2020 · Description VLAN tag stacking/rewriting is a powerful Junos OS feature, allowing advanced manipulations of VLAN tags within an Ethernet frame, received from or sent to an interface of a Juniper Networks device. To access the VLAN Configuration page: Aug 26, 2024 · interface-mode trunk; vlan { members 16; } } } } root@SWITCH# commit check [edit interfaces ae1136 native-vlan-id] 'native-vlan-id 16' native-vlan-id can be specified with flexible-vlan-tagging mode or with interface-mode trunk error: configuration check-out failed: (statements constraint check failed) Whole evpn config from one switch. 2 or later for EX Series switches Before you create the virtual routing instances, make sure you have: Configured the necessary VLANs. { interface-mode trunk; vlan-id-list [55 56] }| } Answer choices: 1) The ge-1/0/0 interface will transmit any outgoing frames associated with VLAN 56 as untagged frames 2) The ge-1/0/0 interface will associate any イーサネットLANを複数のVLANに分割する場合、各VLANに固有のIEEE 802. But what do you mean by configuring this? vlan-tagging; unit 0 { vlan-id 4094; } because vlan-tagging on for example srx branch series is statement to configure routed interfaces ge-0/0/0 { vlan-tagging; unit 0 { vlan-id 4094; family inet { address 1. 21/30; } } unit 1 { vlan-id 13; family inet { address 192. Symptoms A VLAN is a collection of network nodes that are logically grouped together to form separate broadcast domains. Thanks for the reply. I have 2 EX4300 switches configured in virtual chasis. Jan 28, 2020 · Description This article describes how to configure Remote Switched Port Analyzer (RSPAN) VLAN when there is a need to capture packets flowing on two or more ports on the Juniper Networks EX2300, EX3400, and EX4300 Series switches. 4. Using a VLAN ID list conserves switch resources and simplifies configuration. VLANの作成 set vlans VLAN名 vlan-id VLAN番号 2. ) Jan 11, 2020 · I'm trying to set up a trunk between an SRX and an EX with the SRX acting as a sort of "router on a stick" (i. 124 set A PVLAN can be configured on a single switch or can be configured to span multiple switches. 1q standard. Situation: Out-of-Band network switch: EX3400. Port 0/0/0 is a trunk port and port 0/0/10 is an access port in vlan1 (default vlan). "QinQ We strongly recommend using the trace, tracing, or traceoptions commands only under the guidance of a JTAC support engineer. Verify the changed VLAN membership. Nov 29, 2022 · Syntaxno-tagging;Hierarchy Level [edit protocols lldp]Release InformationStatement introduced in Junos OS Release 14. When an Ethernet LAN is divided into VLANs, each VLAN is identified by a unique 802. Here, we will configure this on Juniper. content_copy zoom_out_map [edit interfaces] user@host# set aex vlan-tagging unit 0 vlan-id vlan-id You can include this statement at the following hierarchy levels: [edit interfaces interface-name unit logical-unit-number] Oct 5, 2022 · I'm practicing QinQ with EX boxes. We strongly recommend using the trace, tracing, or traceoptions commands only under the guidance of a JTAC support engineer. Switches to be managed: QFX5120. e. Jan 14, 2016 · Configuring Q-in-Q, or dot1q tunneling can lead to some confusion. After collecting the debug information, immediately disable tracing to minimize risk and restore normal system performance. Nov 3, 2017 · Description This KB explains how native VLAN behaves on switches with Enhanced Layer 2 Software (ELS) Junos version enabled. The commands here are based on the Enhanced Layer 2 Software (ELS) style of CLI which is […] Oct 1, 2025 · To configure a routed VLAN interface in a private VLAN on an EX Series Switch (ELS Procedure), create an IRB on a subnet for the primary VLAN’s broadcast domain. 1X53-D47 for EX4600). . 148 I have this switch interface, that is actually part of an ITU. This topic describes options for configuring VSTP on devices that support ELS. 1Q VLAN tag IDs to a logical interface. Simple network drawing: Mar 28, 2021 · Hi, Please help me to understand this question: Config below: ----------------- [edit interfaces ge-1/0/0] user@host# show vlan-tagging; native-vlan-id 55; unit 0 { family bridge. Your L2 switches will need IGMP snooping turned on (ideally on all interfaces via the global configuration). Description Map a specific C-VLAN to an S-VLAN. VLAN is for the convenience of management. When configuring Virtual Extensible LANs (VXLANs) on QFX Series and EX Series switches, be aware of the constraints described in the following sections. Mar 6, 2008 · All packets passing in and out of a VLAN are consistently tagged with the VLAN ID of that VLAN, thereby providing easy identification, because a VLAN ID on a packet cannot be altered. These values can be applied to either the input VLAN map or the output VLAN map. Jul 7, 2023 · Hi, I need to configure a l2circuit with a interface untagged, how can I do this?I tried use vlan ccc with native-vlan-id but it didnt work. I have worked with Adtran and cisco switches in the past. Mar 27, 2023 · Example topology: custA / custB > switch1 > EX4650 > switch2 > custA / custB custA outer tag 101 custB outer tag 102 The EX4650 should allow any inner tag on both vlan 101 and 102. After that, What happens when I set native VLAN id is 100 mapping VLAN_100? May 26, 2017 · Ask questions and share experiences about EX and QFX portfolios and all switching solutions across your data center, campus, and branch locations. Virtual LANs (VLANs) allow network architects to segment LANs into different broadcast domains based on logical groupings. For Gigabit Ethernet IQ interfaces, Gigabit Ethernet, 10-Gigabit Ethernet LAN/WAN PIC, and 100-Gigabit Ethernet Type 5 PIC with CFP, enable stacked VLAN tagging for all logical interfaces on the physical interface. 1Q Tagging on EX Series and SRX Series, If you use the default factory configuration, all traffic originating on the VLAN is untagged and has a VLAN identifier of 1. Forgive me if I use the wrong terminology to describe everything, but on the EX's the VLAN's are defined with "set vlan NAME vlan-id NUMBER", and the interfaces are either "interface-mode access" or "interface-mode trunk" with VLAN members defined accordingly. After configuring my vlans and creating 2 ports with the same set interface ,,, unit 0 family ethernet switching interface-mode trunk and vlan member statements I see my trafic flowing flawlessly from one port to another. This is called MAC-in-UDP (UDP port 4789) encapsulation. Try setting native-vlan-id under the physical interface rather than under family ethernet-switching. 0 set interfaces ge-0/0/9. Feb 26, 2024 · Dynamic VLAN - LIke MAC-based, dynamic VLANs do not have a specific VLAN ID range assigned. Apr 9, 2023 · 傻瓜交换机 顾名思义就是这个交换机是个傻瓜，他没有管理端口和管理地址，你没办法了他交流，也就无法改变端口vlan；所有的端口都是通的，只会根据 MAC地址 进行数据转发。 傻瓜交换机的端口默认应该是vlan1，端口类型是access，接收到不同vlan的数据包，会直接丢掉，不进行转发。 不同vlan之间 Jan 31, 2015 · In reality a VLAN tag is inserted in the Ethernet frame like this: The 802. If you include the stacked-vlan-tagging statement in the configuration, you must configure dual VLAN tags for all logical interfaces on the physical interface. Instead, VLAN membership is dynamically assigned by a VMPS (VLAN Membership Policy Server) based on the MAC address or user authentication. The target machine would receive and process the frame, and that would make the VLAN Hopping Attack successful. These vlans are not available for use by customers. 25/29; } } And here is the EX Jan 18, 2019 · Description This article describes how to configure QinQ by using Enhanced Layer 2 Software Support (ELS) on Junos OS. After you set up a VLAN mapping, the device accepts incoming packets tagged with from-vlan-id and translates that VLAN ID into the to-vlan-id to process the packet. Symptoms How to allow the incoming packets’ VLAN tags to be swapped/translated with a new VLAN tag. The return traffic will have Note: Changing the Layer 2 logical interface option from vlan-tagging to flexible-vlan-tagging or vice versa adjusts the logical interface MTU by 4 bytes with the existing MTU size. 1R7. You can not use both statements on the interface, just one. 1Q VLAN tags. I can confirm with wireshark that I am indeed tagging to the Juniper switch. If you do not configure this statement, the native VLAN ID is added to the untagged traffic. VLANs allow network administrators to segment a physical network into multiple logical networks, improving security, efficiency, and management. 1Q (dot1Q) VLAN tags are prepended by the service VLAN (S-VLAN) tag. 0 L3 inteface is up/up, but I cannot reach my juniper L3 interface IP address from the cisco 3550, or obviously anywhere else on vlan1. 168. Nov 6, 2019 · This article explains the behavior change of untagged traffic over S-VLAN from single tag (S-VLAN tag) to double tag (native-VLAN and S-VLAN tag) in different EX and QFX hardware platforms and Junos OS. As a result, the Layer 2 logical interface is deleted and re-added, and the IRB MTU is re-computed appropriately. The ports connected to the nas are Ge-0/0/12 and Ge-0/0/13. Other vlan 1 to 4094 can be used by customers. The mapping option allows you to assign an S-VLAN to a specific C-VLAN on an interface. The stacked and rewriting Gigabit-Ethernet VLAN Tags are also referred to as Q-in-Q tunneling. Jun 14, 2019 · Hi danny, Please check the following and try to flip VLAN assignment method just to be sure that's not acting up: a) On EX: show vlans vlan1100 extensive delete vlans vlan1100 interface ge-0/0/9. 1Q tags one at a time for a trunk interface, you can configure a VLAN range to create a series of tagged VLANs. The Juniper Networks Junos operating system implementation of Q-in-Q tunneling supports the IEEE 802. Feb 20, 2008 · Description The purpose of this article is to explain how to configure VLANs and trunks on the EX Series (Enhanced Layer 2 Software (ELS) and legacy) Switches and QFX devices, and verify that they are created. VLANs limit the amount of traffic flowing across the entire LAN, reducing the possible number of collisions and packet retransmissions within the LAN. The types of domains and ports are: Primary VLAN—The primary VLAN of the PVLAN is defined with an 802. You can configure rewrite operations to stack ( push ), remove ( pop ), or rewrite ( swap ) tags on single-tagged frames (IEEE 802. Some switches even let you group ports into a virtual smaller switches (bridges) without the use of VLAN. Apr 7, 2008 · The Voice VLAN feature is used on the EX series switches for this purpose. However, VLANs are isolated from one another by default, meaning devices in different VLANs cannot communicate unless we enable Inter-VLAN Routing. Is it possible to have 15 and 30 tagged on an interface like ge-0/0/12 while 10 is untagged? If so, how? If I set the interface port-mode to “trunk,” it seems all the member VLANs are automatically tagged. The default factory configuration for devices that support ELS uses RSTP. Click the delete icon available on the upper right side of the page. From configuration mode, create the VLAN and add access vlan members to it: ELS EX and QFX devices: root> configure Entering configuration mode [edit] root# set vlans <vlan Apr 14, 2020 · Bonjour, I am configuring trunks on a EX2300 switch . 1Q VLAN single-tag and dual-tag frames on logical interfaces on the same Ethernet port, and on pseudowire logical interfaces. we would like to configure a computer more than one VLAN on the same wire ( one tagged and the other untagged) . This is a short article on how QinQ can be configured on an EX, QFX or VCF. CEC Juniper CommunityLoading Sorry to interrupt CSS Error Refresh Hello, I have configured a trunk port from my cisco switch to my new Juniper switch. To accept untagged packets the native-vlan-id and flexible-vlan-tagging statements must be included at the [ edit interfaces interface-name ] hierarchy level: Jun 2, 2020 · Hello IsabellaFletcher, Hope you are doing great! So If I understand, you want to create two new vlans in the EX2200, and then connect it to the SRX to access the internet, right? So, you configured vlan/network C. 1700 set interfaces ge-0/0/0 flexible-vlan-tagging Oct 5, 2025 · To add a new VLAN or edit or delete an existing VLAN on an EX Series switch, select Configure > and replace the current VLAN with the new VLAN. 0, EX3200/EX4200 switches allow the incoming packets’ VLAN tags to be swapped/translated with a new VLAN tag. DefaultInterfaces for which VLAN tagging is enabled For 802. 2R1 enhances Layer 2 Protocol Tunneling in VXLAN tunnels and traditional VLANs by introducing support for more protocols, allowing MACsec to traverse Layer 2 networks. Solution 1. Feb 13, 2012 · Is there an easy/straight-forward way to do this? Maybe something like "vlan members all-except-native"? We have a large number of existing Cisco switches with a decent number of vlans that we need to connect to, and need to mimic their native vlan behavior (transmit *and* receive the native vlan untagged, and tag all other vlans). 0. The below topics discuss the overview Aggregated Ethernet (AE) interfaces on security devices, configuration details of AE interfaces, physical interfaces, AE interface link speed, VLAN tagging for aggregated Ethernet interfaces, and deleting an Aggregated Ethernet interface in security devices. Another method is to delete the existing VLANs by selecting one or more VLANs that you want to delete on the VLAN page. TPID fields are used to identify the frame as an IEEE 802. Jun 17, 2017 · Ask questions and share experiences about EX and QFX portfolios and all switching solutions across your data center, campus, and branch locations. Juniper EX - VLANの設定（アクセスポートの設定） Juniper EXでスイッチポートにVLANを割り当てるためには、以下の4つの手順で設定を行います。 1. Here is the SRX side config: vlan-tagging; unit 0 { vlan-id 12; family inet { address 192. both subinterfaces on the trunk are configured for family inet and are routed ports). The switch uses the Layer 3 subinterfaces to route traffic between subnets. For equivalent ELS configuration, refer to Layer 2 Networking . This statement is also required if you are configuring firewall filters to map traffic from an interface to a VLAN. 1R1, you can send untagged traffic without a native VLAN ID to the remote end of the network. CEC Juniper CommunityLoading Sorry to interrupt CSS Error Refresh Oct 17, 2013 · Dear all regarding this subject im not sure about when using each encapsulation. Feb 14, 2022 · Hi there! I'm trying to secure the out-of-band management network here. 1Q tag (VLAN ID) for the complete PVLAN. Is it just pushing an S-Tag of 124? I don't see any C-tags defined so will this allow the full 1-4094 vlan range to pass? set interfaces ae2 flexible-vlan-tagging set interfaces ae2 encapsulation flexible-ethernet-services set interfaces ae2 unit 2 encapsulation vlan-ccc set interfaces ae2 unit 2 vlan-tags outer 0x88A8. So I'm trying to set up some isolated/private VLAN configuration. I can't ping the srx from the ex. Sep 15, 2008 · Q-in-Q tunneling is useful when customers have overlapping VLAN IDs, because the customer’s 802. Apr 8, 2019 · Hello We are trying to configure our network with an srx345 firewalll and a ex3400 switch. Providers can segregate different customers’ VLAN traffic on a link (for example, if the customers use overlapping VLAN IDs) or bundle different customer VLANs into a single service VLAN. 0 family ethernet-switching members vlan vlan100 b) On SRX, are you receiving packets initiated from the PC, say ARP? Jun 23, 2017 · Description This article gives an example of configuring tagged and untagged sub-interfaces on vSRX. 1q) and dual-tagged frames (IEEE 802. VLANs react quickly to host relocation—this is also due to the persistent VLAN tag on packets. the Master switch is connected to an EdgeRouter that is supplying the L3 VLANS like so: #EdgeRouter Configuration ethernet eth1 { description "LAN" duplex auto speed auto vif 2 To segment traffic on a LAN into separate broadcast domains, you create separate virtual LANs (VLANs). My question is about the usefulness of the set vlan-tagging command. Support simultaneous transmission of 802. Apr 16, 2013 · Another way to configure bridge interfaces on an interface with different encapsulations is to use the encapsulation " flexible-ethernet-services " under the interface and the encapsulation " vlan-bridge " under the logical unit. Dot1Q Review the Platform-Specific Dual VLAN Tags Configuration Behavior section for notes related to your platform. When I configure ge-0/0/0 as a trunk port, and tag the correct VLANs, I don't get access to those VLANs. set interfaces ae0 vlan-tagging set interfaces ae0 mtu 9192 set interfaces ae0 encapsulation extended-vlan-bridge set interfaces ae0 unit 426 vlan-id 426 set interfaces ae0 May 20, 2015 · Reply Reply Privately Ciao, We have already used the port mode "tagged-access" on EX-4500 and that it has been possible with Junos 12. 1Q VLAN tags, include the vlan-tagging statement at the [edit interfaces interface-name] hierarchy level: Jun 20, 2018 · Description This article describes how to configure VLAN translation by using Enhanced Layer 2 Software Support (ELS) on Junos OS. Oct 18, 2023 · The first example is a routed interface, not tagging the VLAN (Edit-I dont think the vlan tag will follow through that interface to its peer interface once encapsulated at L3, it's just the SRX that looks for the tag to allow it through. Solution Example Topology: Example Configuration: CE-1 [master:0][edit] root@CE-1# show vlans V10 vlan-id 10; l3-interface irb. 1Q (dot1q, VLAN) tag contains a VLAN-ID and other things explained in the 802. vlan-tagging supports one tag, flexible-vlan-tagging supports one tag and two tags (QinQ). May 9, 2011 · also in each virtrual switch, i created a bridge domain without any vlan id, with one laye-2 port assigned. Jul 28, 2016 · 2. 1ad, a. For some rewrite operations, you must configure the inner or outer tag-protocol identifier (TPID) values and inner or outer virtual local area network identifier (VLAN ID) values. Under edit interfaces x/x/x unit 0 family ethernet-switching -> set vlan members vlan-name With method 1, if you have multiple vlans on same group of interfaces you could use copy vlan xxx to vlan yyy. this is can be done in other switches as "hybrid" mode port configuration thanks cristina I know, I referenced that article to outline vlan-id 0 being invalid on EX which is most likely why you're getting that log message due to "vlan-tagging" being present on an l2 interface. -------------------- May 14, 2024 · That is, native-vlan-id tells the device what to do with incoming untagged frames, but doesn't tell it not to tag outgoing frames on that vlan. Here is the example switch1 and switch2 interface config. 2 for the QFX Series. 195. Q-in-Q tunneling adds a service VLAN tag before the customer’s 802. ポートのモード設定 Jun 19, 2018 · Hi cslacker, Juniper reserves vlan-id 0 and 4095 for internal use. Specify the vlan-tagging statement at the [edit interfaces aex] hierarchy level. But somehow, it doesn't work as intended. The default configuration creates a single VLAN, and all traffic on the switch is part of that broadcast Aug 8, 2014 · You can only configure family ethrenet-switching on unit 0 and and you cannot configure another family type with ethernet-swithing on the same port. 1ad standard. in order for the above trunk link carrying native vlan id, i assigned a native vlan id for the trunk link: ge-3/3/9 { flexible-vlan-tagging; native-vlan-id 101; encapsulation flexible-ethernet-services; unit 0 { family bridge { interface You can use the VLAN Configuration page to add a new VLAN or to edit or delete an existing VLAN on an EX Series switch. I am trying to connect them together with a trunk port and pass dhcp & vlan through. Symptoms When there are two input ports to analyze, you may configure one output port to capture that traffic by bundling capture sessions. 10; [master:0][edit] root@CE-1# show interfaces ge-0/0/1 unit 0 { family ethernet-switching { interface-mode trunk; vlan { members V10; [master:0 Mar 24, 2023 · No private vlans. Creating separate network segments (VLANs) reduces the span of the broadcast domain and allows you to group related users and network resources without being limited by physical cabling or Apr 5, 2019 · Experts, Migrated config from EX2200 to EX2300unit 0 {family ethernet-switching {interface-mode trunk;vlan {members [ 1-3 5 10 20-25 40 50 60 80 90-91 93 95-96 To configure the router to receive and forward single-tag frames with 802. Re: Verify private isolated vlan on EX3400. Hi, Please can someone clarify what the below config is doing. When traffic that is mapped to Apr 13, 2018 · Hey all, This is my first Juniper switch and I've done a lot of learning the last couple of days. However, you can accomplish this forwarding on a switch without using a router by configuring an integrated routing and bridging (IRB EX Series. According to the Juniper documentation, Understanding Q-in-Q Tunneling on EX Series Switches : "The mapping a specific interface approach has two suboptions for treatment of traffic: swap and push. The vlan. The IRB interfaces are layer 3 interfaces for VLANs and are the same as Cisco VLAN or SVI interfaces. Juniper VLAN Mapping (VLAN translation) is the term used for mentioning the swap of incoming VLAN id to a new one. EX Series switches use Layer 3 subinterfaces to divide a physical interface into multiple logical interfaces, each corresponding to a VLAN. The untagged packets are dropped on trunk interfaces. I don't think you need flexible-vlan-tagging or to define vlan-id under the logical interface (unit number). 3ad ae5 set interfaces xe-1/0/5 ether-options 802. Sep 5, 2019 · Hi Sesa, I'm glad the first issue got resolved! For your second issue, I think because irb will become up when this is bounded to family-ethernet-switching interface (not sure if in your case is up or down), not vlan-ids. The outer tag VLAN ID range is from 1 through 511 for normal interfaces, and from 512 through 4094 for VLAN CCC or VLAN VPLS interfaces. The target machine is connected to a port to switch B in Feb 13, 2020 · Introduction: This document is anticipated for understanding Private Virtual LAN (PVLAN) concept; how VLAN is sub-divided into isolated sub-domains and the communication between isolated ports types (Promiscuous, Isolated and community ports). version 15. Jul 20, 2011 · I set up the uplink port connecting to the cisco 3550 as a trunk port and i am allowing over the mgmt vlan and one other vlan that I am using. Jul 21, 2022 · Hi Everyone, All interfaces using the vlan members all are getting a default vlan 1 along with other vlans set interfaces ge-0/0/0 unit 0 family ethernet-switching vlan members all set interfaces ge-0/0/1 unit 0 family ethernet-switching vlan members all Output from: > show vlans Can someone please let me know how to remove this default vlan 1. C in the EX, but the laptop got an ip from subnet A. As you might guess, I’m brand new to Juniper… I’m working with an EX3200-48t running Junos 15. 1Q-tagged frame. In Junos EX config, the vlan-name is the reference for the vlan Thanks, I did have the aggregated-device device count set to 1, sorry for not including it. 1Q Standard. interface vlan 14 ip igmp ip pim interface vlan 15 ip igmp ip pim exit If you want the traffic to traverse all Vlans, then you will need the appropriate interface configuration under each Vlan. Solution On vSRX tagged and untagged sub-interfaces can be configured on the same physical interface. 在 Juniper 交換器中要讓 不同 VLAN 可以互通，首先要瞭解什麼是 IRB (Integrated Routing and Bridging) 介面： When Should I Use an IRB Interface or RVI? To forward packets between VLANs, you normally need a router that connects the VLANs. The Voice VLAN enables a single access port to accept untagged data traffic as well as tagged voice traffic and associate each type of traffic with distinct and separate VLANs. I’ll configure Mar 30, 2015 · you can change the encapsulation on your juniper to extended-vlan-ccc instead of vlan-ccc see the note below Note: Some vendors use the proprietary TPIDs 0x9100 and 0x9901 to encapsulate a VLAN-tagged packet into a VLAN-CCC tunnel to interconnect a geographically separated metro Ethernet network. Isolated VLAN/isolated port—A primary VLAN can As an alternative to configuring a logical interface for each VLAN, enterprise network administrators can configure a single logical interface to accept untagged packets or packets tagged with any VLAN ID specified in a list of VLAN IDs. Consider both followin configs: #####################this config: ae9 { flexible-vlan-tagging; encapsulation flexible-ethernet-services; unit 2 { encapsulation vlan-bridge; vlan-id 2; } unit 3 { encapsulation vlan-bridge; vlan-id 3; } } ######################is the same? ae9 { encapsulation extended-vlan-bridge Aug 24, 2011 · Hi When we will use dot1q-tunneling ether-type 0x8100 or 0x9100 and what is the different between in the KB 13544 they use 0x8100 and in the technical Doc ex IEEE 802. To configure Layer 3 subinterfaces, you enable VLAN tagging and partition one or more physical ports into multiple logical interfaces, each corresponding to a VLAN ID. 1700 set interfaces ge-0/1/0 flexible-vlan-tagging set interfaces ge-0/1/0 native-vlan-id 1700 set interfaces ge-0/1/0 encapsulation extended-vlan-bridge set interfaces ge-0/1/0 unit 1700 vlan-id 1700 set vlans v1700 interface ge-0/0/0. The topic below describes the configuration of these tagged VLANs, VLAN IDs, and supported Ethernet interface types on SRX Series Firewalls. 2. [edit interfaces ge-0/0/8 unit 0 family] 'ethernet-switching' An interface cannot have both family ethernet-switching and vlan-tagging configured error: configuration check-out failed: (statements constraint check failed) show ge-0/0/8 unit 0 Sep 16, 2024 · Right now vlans 1500-15100 are normally configured as family ethernet-switching on unit 0 on both sides. both configs and output from the devices. Jun 12, 2015 · Hi, I'm new to juniper. DescriptionConfigure the switch to send LLDPDUs without including VLAN tags on interfaces for which VLAN tagging in enabled (tagged interfaces). Note: Starting in Junos OS Release 17. If you are configuring firewall filters to map traffic from an interface to a VLAN, the mapping policy option must be configured using this command. You can use Layer 3 subinterfaces to route traffic among multiple VLANs along a single trunk line that connects a Juniper Networks EX Series Ethernet Switch to a Layer 2 switch. All switch interfaces are configured without Link Aggregation Control Protocol (LACP) provides a standard means for information exchange between the systems on a link. Interfaces on EX2200, EX3200, EX3300, EX4200, and EX4500 switches are set to family ethernet-switching by the default factory configuration. For example, you cannot use an EX8200 switch for one PE switch and an EX3200 or EX4200 switch for the other PE switch. Push a VLAN-ID (3410) and send it to the remote end which is another vendor device. chassis { aggregated-devices { ethernet { device-count 1; } without vlan-tagging i don't seem to be able to add vlans to the sub interface, i receive the message "Only unit 0 is valid for this encapsulation" when trying to assign either a vlan or inner-vlan to the sub interface. interface GigabitEthernet0/0 description TO EX4650 switchport trunk allowed vlan 101, 102 switchport trunk encapsulation dot1q switchport mode trunk switchport nonegotiate mtu 1504 ! interface GigabitEthernet0/1 description TO CUSTOMER A switchport access vlan 101 switchport mode dot1q-tunnel switchport nonegotiate Display information about VLANs configured on bridged Ethernet interfaces. This guide covers the basics of managing VLANs on a Juniper EX switch, including creating the VLAN, entering the CLI (cli), and entering the configuration. If you need to know the Q-in-Q tunneling and VLAN translation allow service providers to create a Layer 2 Ethernet connection between two customer sites. Mar 24, 2025 · Junos 25. For example, from the top SRX interface: ge-0/0/1 { unit 0 { description ge-0/0/1; family ethernet-switching { port-mode trunk; vlan { members [ vlan-trust VLAN10 VLAN11]; } native Aug 30, 2017 · I have an EX4200 with two port-mode trunk interfaces: - one facing the customer where I receive many different vlans (10, 20, 30 and 40), - another one facing a Juniper MX where the vlans are received in different subinterfaces according to the vlans. プロトコルファミリーの設定 set interfaces ポート番号 unit 番号 family ethernet-switching 3. irb option introduced in Junos OS Release 13. On EX Series switches except for EX4300 and EX9200 switches, the vlan-tagging and family ethernet-switching statements cannot be configured on the same interface. Is there a way to do the following: - Vlans 30 and 40 pass through as normal single tagged frames. If you do not configure a vlan-id, vlan-tags, or vlan-id-list [ vlan-id-numbers ] for the bridge domain or the VPLS routing instance, the Layer 2 packets received are forwarded to the outbound Layer 2 interface without having the VLAN tag modified unless an output-vlan-map is configured on the Layer 2 interface. Aug 9, 2018 · Ciscoのノリでやってしまったのでメモ CiscoでTagging＆Native Vlan設定は以下 interface gi0/0 switchport mode trunk switchport trunk allowed vlan 10-12 switchport trunk native vlan 10 こうすれば、vlan10がNative VLANとしてタグなしこのノリでJUNOSに入れる。 set vlans v10 vlan-id 10set vlans v11 vlan-id 11set vlans v12 vlan-id 12 set interfaces ge-0/0/… Jul 23, 2019 · What ive tried: set vlans v1700 interface ge-0/1/0. The Mar 14, 2024 · End goal is customer supplied device using ONE physical interface with untagged traffic (assumed to be in vlan 100 and sent out elsewhere on a trunk) and tagged traffic (vlan 200 TPID 0x8100 tag 200). Probably a simple configuration thing, Juniper is somewhat new for me (coming for Cisco). The vlan-id will need to be changed but the interfaces will be copied. Please refer to the Mar 20, 2008 · The default configuration on EX Series Ethernet switches creates a single Virtual LAN (VLAN), and all traffic on the switch is part of that broadcast domain. Ask questions and share experiences about EX and QFX portfolios and all switching solutions across your data center, campus, and branch locations. So with downlink and uplink in SP style, that is with flexible vlan tagging and extended vlan bridge, it is working. May 6, 2022 · VLAN is a feature of Ethernet switch which separates traffic into multiple virtual broadcast domains, usually using 802. 8032 group: interface xe-0/0/23 enable; vlan-tagging Display information about VLANs configured on bridged Ethernet interfaces. See Configuring VLANs for EX Series Switches, Configuring VLANs for EX Series Switches with ELS Support (CLI Procedure), or Configuring VLANs for EX Series Switches (J-Web Procedure). k. net/s/article/ I have an existing connection that goes from an EX4300 through another EX4300 to an MX960. May 27, 2019 · A: there is no clear advantage, during my years I have seen people that do it under vlans so they can see the ports assigned to a vlan at the same time, but you can do >show vlans and it will give you the same result. Configure interfaces on EX Series switches. That is, if you do not configure the Native-VLAN-ID option on trunk interfaces, the untagged packets Jul 4, 2017 · The member all is mean that the interface ge-0/0/0 is assigned to VLAN_100 and VLAN_200 which have tag id, and the interface ge-0/0/0 leave VLAN default because at moment the interface ge-0/0/0 set trunk needs tag id (by default, the VLAN default do not have tag id). 0/24 network. The primary PVLAN can contain multiple secondary VLANs (one isolated VLAN and multiple community VLANs). Strange thing, if I plug into a Send traffic without the native VLAN ID (native-vlan-id) to the remote end of the network if untagged traffic is received. Mar 5, 2009 · When configuring the same VLAN under both vlan members and native-vlan-id on a trunk interface the switch tags the native VLAN on that specific interface Symptoms Solution Configuration of native-vlan tagging: ge-0/0/1 { unit 0 { family ethernet-switching { port-mode trunk; Jun 23, 2017 · Description This article gives an example of configuring tagged and untagged sub-interfaces on vSRX. In this post, we will look at configuring VLANs, trunk ports, and IRB (or VLAN) interfaces on Junos devices. a. This also doubles as the EtherType 0x8100 for devices that don't understand VLANs. configure ip igmp snooping bridge multicast To solve VLAN limitations in data centers and cloud, so it can provide scalability by allowing Layer2 encapsulated in UDP or so it extends VLAN. For example, you might want to create a VLAN that includes the employees in a department and the resources that they use often, such as Junos OS Release 9. Note: The native-vlan configuration on EX Series switches that is being referred to in this article applies to switches running non-ELS Junos OS versions. vlan-tagging is available on EX switches as well. 1Q tag. Best Practices for Inter-VLAN Routing in CISCO Virtual Local Area Network (VLAN) helps break a large network into smaller, manageable parts, improving security and efficiency. The first 16 bits contain the "Tag Protocol Identifier" (TPID) which is 8100. A physical interface can have 4094 sub-interfaces for 4094 (1-4094) vlans. 3ad ae5 set interfaces ae5 vlan-tagging ?? set interfaces ae5 aggregated-ether-options lacp active periodic fast set interfaces ae5 unit 0 family ethernet-switching port-mode trunk set interfaces ae5 unit 0 family ethernet-switching Apr 30, 2013 · I currently have a lab setup with the following configuration [SRX Firewall] | [EX Switch] - [SRX Firewall] - [Switch A] | [SRX Firewall] | [Switch B] The links are trunked and are connected using L3 routed vlans. Let’s take an example assuming an attacker is connected to switch A to a port in VLAN1, which is also the native VLAN on the trunk connection between switch A and switch B. To do this, remove the native VLAN ID from the untagged traffic configuration by setting the no-native-vlan-insert statement. For interfaces configured to support a VoIP VLAN and a data VLAN, the show vlans command displays both tagged and untagged membership for those VLANs. C. To find out which versions are ELS, refer to Sep 12, 2011 · Hi, I am not experienced in configuring chassis cluster control/data links through switches. Feb 3, 2014 · Ask questions and share experiences about EX and QFX portfolios and all switching solutions across your data center, campus, and branch locations. For the purpose of this post let's say I want to send vlan's 200-210 with Q-in-Q with 1510 as an outer TAG. 4/24 } } unit 1 { vlan-id 4093; family inet Mar 2, 2010 · Description Starting with Junos 10. By default, Juniper switches do not assign a Native VLAN to any trunked interface. 3; system { host-name gateway; time-zone GMT-6; root-authentication { } name-server Oct 23, 2020 · 2. 1X53-D10 for EX Series switches. Solution Use the mapping keyword under the interface within the VLAN stanza: "swap" configuration can only be enabled on dot1q-tunneling access Mar 30, 2008 · Description This article provides information about the two switch port modes in VLAN tagging for EX Series switches and SRX firewalls. I’ve seen confusion due to changes in the new enhanced Layer 2 CLI configuration and because of a mismatch in Ethertype. By default, the received incoming or outgoing tag is replaced with the new tag. A subinterface always expects a vlan tag and due to which you are losing connectivity/ospf neighborship on your 10. Recommend E. Aug 15, 2024 · This guide will show you the basics to managing VLANs on a Juniper EX switch: Create the VLAN Enter the CLI: cli Enter the Configuration mode: configure Enter the new VLAN name: set vlans vlan100 Set the VLAN ID for the new VLAN name: set vlans vlan100 vlan-id 100 Save the changes: commit Apply the VLAN to a network port Apply the VLAN to a physical network port: set interfaces ge-0/0/6 unit 0 Instead of configuring VLANs and 802. 3R2 for EX Series switches and MX Series routers. May 29, 2012 · Local interface with remote interface or VLAN Local VLAN with remote interface or VLAN Note : The VLAN CCC configuration must use the same type of switch for both of the PE switches. That's counterintuitive and a bit silly, in my opinion, but that's how it seems to be. Symptoms Note that untagged traffic over S-VLAN changes from single tag to double tags (for example, starting from 14. Aug 9, 2016 · This article provides an example configuration for Q-in-Q tunneling on EX4200. how to add vlan to trunk port and how to verify if its done correctly? Aug 15, 2024 · How to create an LACP aggregated link (LAG) on a Juniper EX switch: set interfaces xe-0/0/5 ether-options 802. To accept untagged packets the native-vlan-id and flexible-vlan-tagging statements must be included at the [ edit interfaces interface-name ] hierarchy level: Say I’ve got 3 VLANs (IDs 10, 15, and 30). juniper. when using vlan tagging it is usually necessary to visit this hierarchy but that is largely depending on your setup and Aug 21, 2010 · To all 1) Can we have multiple vlan in one switch port 2) can we have access port as a trunk port simultaneoulsy in Ex series waiting for a reply Thanks/Rega Jun 8, 2022 · I have this interface that S-tags ingress traffic (QnQ): interface ge-0/0/10 flexible-vlan-tagging; native-vlan-id 2; mtu 9200; encapsulation extended-vlan-bridge; unit 148 { vlan-id-list 1-4094; input-vlan-map push; output-vlan-map pop; } set vlans v148T interface ge-0/0/10. In these sections, “Layer 3 side” refers to a network-facing interface that performs VXLAN encapsulation and de-encapsulation, and “Layer 2 side” refers to a server-facing interface that is a member of a VLAN that is mapped to a VXLAN. The Feb 6, 2008 · Description Juniper Networks Legacy EX Series switches connect all devices in an office or data center into a single LAN to provide sharing of common resources such as printers and file servers and to enable wireless devices to connect to the LAN through wireless access points (WAPs). ofss wbd jcdtij msw nrcl uie ywsgmtz bqtms bouizj fjrql ozfr bcnzz rrizrh hhens rdcofr