Cisco to juniper trunk configuration

In this course, the switchport mode trunk command is the only method implemented for trunk configuration. We will create two vlans in both the switches and configure trunk ports between these switches. For juniper junos operating system configuration, these titles include junos enterprise. The interface becomes a trunk interface if the neighboring interface is set to trunk, desirable, or auto mode. May 26, 2018 how to configure access and trunk ports on a cisco device along with useful insight into avoiding mistakes when configuring a trunk port. Cisco nexus 5000 series nxos software configuration guide. I want to be able to reach the juniper switch which will have an ip of 10. Isl is technically the cisco proprietary protocol for trunk link traffic, however 802. Juniper networks cisco systems switch interoperability cookbook.

How to configure access and trunk ports on a cisco device along with useful insight into avoiding mistakes when configuring a trunk port. Spanning tree portfast cisco trunk port config huawei trunk port configuration cisco vlan configuration cisco vlan configuration huawei vtp client mode cisco. In short, it is not simply about commands, it is the whole logic. Vlan trunking between juniper ex cisco catalyst and cisco. Feb 10, 2018 network and cisco packet tracer tutorial. I have 2 computers set to static ip one on vlan 30 and other on vlan 44. I set switchport trunk native vlan 1 on cisco side, but it didnt help. In the end the underlying issue here was indeed spanning tree. This post will expand upon the previous one by bundling two interfaces together on each switch to form an aggregated link for the trunk. Mar, 20 today i needed to test communication between a cisco switch and ex switch to carry traffic via a trunk port from a pc to the final destination srx device. In juniper switches, vlan named default is present by default and all the interfaces are under this default vlan. In my previous junos basics post i covered configuring an 802.

L2 trunking between ex2200 and cisco c3560 juniper networks. Juniper ex4200 core with ge108 trunk port with vlan1 added as native in order to talk with cisco cisco catalyst 2960x with gi501 trunk vlan1 native. Vlan virtual local area network is a logical lan that have separate broadcast domain. Juniper mx240 to cisco c4948 trunk connection jnet. I need to create a trunk between a cisco 3560 and a juniper ex4200. Connecting cisco and juniper solutions experts exchange. This logical interface is then configured as an access port and assigned to vlan vlantrust. How to configure trunking between two cisco switches. I have one client laptop plugged into switchport 2 on vlan v50enddevices with an address of 10. Juniper switch basic configuration configure vlan in juniper switch configure irb svi in.

In this lesson we will learn how to configure vlans on cisco devices. Juniper cisco interoperability cookbook network test. Apr 12, 2017 in short, it is not simply about commands, it is the whole logic. Lets hit some vlan commands in ex 2200 juniper switch. Multiple layer 3 interfaces are then assigned to each of these vlans. On a cisco switch this function is known as vlan allowed list however on juniper switches, this is just a normal function of the trunk configuration that you may additionally specify. On the srx branch series each interface can be configured as either layer 2 or layer 3. Vlan trunking protocol vtp is a cisco layer 2 messaging protocol that manages the addition, deletion, and renaming of vlans on a networkwide basis. Jul 29, 20 in my previous junos basics post i covered configuring an 802.

Within this example we configure fe000 as a trunk and only allow vlans 100, 110 and 120 across. Has anyone any experience on trunking to a juniper ex4200. If not using cisco, contact the switch vendor to determine what it uses for its native vlan. Makes the interface to become a trunk only if the connected port is set to trunk or desirable. Also make sure that speed and duplex are set to 100full on both sides. The guys had a hp c7000 blade chassis with 2 hp virtual connects chassis switches which needed to be connected to the edge switches, a juniper ex4300 and the cisco. The default interface is a very handy command to clear all configuration of a switchport. Juniper srx how to configure a trunkaccess port fir3net. In addition, several excellent books on juniper junos software and cisco ios configuration are available. The trunk port on the switch should have a native vlan set to 1. Configure the trunk and add vlan that was created in previous steps.

Configuring redundant trunk links for faster recovery on devices with els support, example. Thats interesting lets see what we need todo in order to configure everything up. In this article, we will focus on how to configure 802. On mx series routers, you can configure a trunk interface on a bridge network. In this lesson i will demonstrate how to configure a trunk between cisco catalyst switches. This will also allow us to compare the trunk config in junos vs cisco ios. However now i see that i can use configuration command as a work around to list all trunk ports. Configuration of vlans in juniper switches is different from cisco switches. I need to create a trunk between a cisco 3560 and a juniper ex4200 i am perfectly happy with the the cisco side and want to only allow 1 vlan across the trunk, which i was going to configure on the 3560 side. One vlan goes to one router other vlan goes to the other router.

Cisco has a more engineerfriendly interface, and i personally find it more intuitive. Managing a cisco switch connected to a juniper cor. There are many differences between juniper and cisco switches. But you can use any other router that supports etherchannel and. A trunk port can have two or more vlans configured on the interface. Any command is in form of text, and you configure everything you need in the same part of the. Juniper trunking with two links not using lag ask question asked 4 years. Im going to pickup the configuration as i had it setup in the previous post, lacp configuration examples part 4. Not sure if it comes into play, but on the cisco switches i.

The problem i am facing is that i am not experienced with juniper and would like to know how do i connect the juniper ex4200 to the cisco 3750. Configuring redundant trunk links for faster recovery on ex series switches. The native vlan association on the trunk port was mistakenly changed on the switch to vlan 6. Because you want the entire vlan configuration copied to this switch, you will want to use vtp. This example aggregates the interfaces fe003 and fe004 into a logical interface named ae1. Managing a cisco switch connected to a juniper core switch. Well make the juniper switch the root bridge for mst 1, and well make the cisco switch the root bridge for mst 2. By default our switch will negotiate about the trunk encapsulation type. I have two switches 1 juniper 2 cisco sg300 my requirement is in juniper side i will use sfp module and cisco side also,but both are different vendor so how i will configure that port. Migrating from cisco to juniper the better network.

The cisco ios command syntax to specify a native vlan other than vlan 1 is shown in table 36. Trunks are required to carry vlan traffic from one switch to another. You can also check vlan configuration example on packet tracer lesson to learn and practice more on vlan configurations. Ethernet interfaces can be configured either as access ports or a trunk ports, as follows. In this example, the interswitch ports use link aggregation and vlan trunking. Putting your switch into interface range configuration mode allows you to configure multiple ports at the same time, reducing your work when making major configuration changes on. Vlan trunking between juniper ex cisco catalyst and. We have talked about lacp in the previous articles on cisco routers. After you have configured the interface as a trunk, lets say for example you want to only allow the sales and marketing vlan to traverse the trunk interface ge005. I am perfectly happy with the the cisco side and want to only allow 1 vlan across the trunk, which i was going to configure on the 3560 side. However, you have determined that you will not need to be able to make changes to the overall network vlan configuration from this switch, which is ideal for vtp client mode. I got the trunking ports configured on switches its my first vlan configuration, everything looks solid to me. Im struggling to get my head around the logic of it thoigh on the juniper side. But you can use any other router that supports etherchannel and 802.

Configuration of the interface facing the juniper looks like this. Configuring a range of interfaces or ports on your switch prevents you from having to configure each of these interfaces individually. This means only devices on vlan 6 could reach the netscreen device. What are the differences between cisco and juniper devices in. Cisco currently only has one vlan, and a vlan interface ip of 10. Moreover, learn why access port configuration is different for an ip phone device using the voice vlan feature on cisco switches. Here we will focus on how to do this configuration on juniper devices on ethernet links. How to configure, verify and troubleshoot a vlan pluralsight. You stated that ports 3 and 42 were configured on the catalyst switch, but then provided configurations for ports 46 and 48.

To configure the list of vlan ids to be accepted by the trunk port, include the vlanidlist statement and specify the list of vlan ids. The catalyst l2 fixed configuration switches include the 29003500xl, 2940, 29502955, and 2970 switches. Vlan configuration commands step by step explained this tutorial explains how to create and assign vlan, vlan membership static and dynamic, router on stick and spanning tree protocol stp in detail with practical examples in packet tracer. Aug 26, 2012 vlan difference between juniper and cisco switches. Feb 03, 2019 cisco switch trunk between hp and cisco switches duration. Support support downloads knowledge base service request manager my juniper community knowledge base. Not sure if it comes into play, but on the cisco switches i am doing eigrp routing. Nov 25, 20 well make the juniper switch the root bridge for mst 1, and well make the cisco switch the root bridge for mst 2. He holds the cisco ccna and numerous other certifications, and has provided system and lan support to both large and small organizations. The interface in trunk mode connects to other switches in the network. In the cisco world, you can configure them identically, and stp would take care of it. I did 1both side trunk 2set full duplex 3allowed all vlan in both switches after that they are not communic.

Looking at the juniper side it looks like i just set the port as a l2 uplink. Vlan difference between juniper and cisco switches. Understanding redundant trunk links legacy rtg configuration, configuring redundant trunk links for faster recovery on ex series switches, example. This is the default mode for all ethernet interfaces. Unfortunately, i am not able to pass traffic on the trunk ports other than the native vlan and only if the native vlan is the default 1. Vlan groups ports of the switch and each group are. Ask all knowledge base sites all knowledge base sites junose defect.

This document provides a sample configuration for fast etherchannel fec and ieee 802. Configuring a trunk interface on a bridge network juniper networks. What are the differences between cisco and juniper devices. Vrrp between cisco and juniper switches keerans blog. How would i do vlan trunking between the cisco 3750 and the juniper ex4200. In this video, keith barker explains a cisco ethernet trunk, and where 802. For beginning readers unfamiliar with juniper or cisco cli syntax, both companies web sites offer free access to extensive software documentation.

Configuring the vlan id list for a trunk interface juniper networks. An access port can have only one vlan configured on the interface. Search our knowledge base sites to find answers to your questions. Cisco port was bad, moved to new port and original config worked. Those are part of the cisco default configuration config was displayed using show run all.

Today i needed to test communication between a cisco switch and ex switch to carry traffic via a trunk port from a pc to the final destination srx device. I thought it is worth putting my config here for future reference as i am not working with cisco ex switches much. Has anyone any experience on trunking to a juniper ex4200 looking at the juniper side it. Juniper ex switches configuration examples sharontools. Update after reading some cisco documentation i found out all the requirements for mstp being the configuration name revision number and vlan to instance mapping must be the same, i missed 2 of those steps being the revision number and the configuration name. Aug 31, 2012 the vtp mode in cisco switch must be transparent which means disabled. Green light on the cisco side, no light on juniper and the link status is down. It is recommended to clear all configuration of switchports before configuring them as part of portchannel on switches. Juniper to cisco 2948 trunk cisco dslreports forums.

The interface in access mode connects to a network device, such as laptop or an ip phone. If you are famliar with cisco and you already know how to configure a trunk interface on cisco switches andor routers than you should not have a problem. Disable dtp on the cisco switch and force the trunk configuration. Oct 31, 2015 missing from that post above was a cisco 3750x that was used for vendor redundancy as part of the network. As you know the protocol is the same, but there are some configuration differencies. In cisco switches the trunk ports accept all vlans in the range of 1 to 4095 by default but in juniper, trunk ports do not support any vlans. To assess rtg interoperability, network test and juniper engineers set up three juniper and cisco switches in a ring topology and configured rtg on the virtual chassis fabric juniper qfx5100 and juniper ex4300.

Vrrp between cisco and juniper switches october 31, 2015 keeran marquis 1 comment for one of the many projects that ive been assigned at work, i got the chance to join the infosec team and help design and configure their second site for their expanding network. May 07, 2019 cisco nexus 5000 series nxos software configuration guide. How to configure trunk on cisco catalyst switch trunks are required to carry vlan traffic from one switch to another. Juniper srx and cisco 3560 switch problem with communication vlanstp.

Here, we will see the necessary commands for cisco vlan configuration. Virtual local area network vlan trunk protocol vtp reduces administration in a switched network. Within this article we will look at how to configure a trunk and access port as switchports aka ethernetswitching. Trunk between cisco 3560 and juniper ex4200 i need to create a trunk between a cisco 3560 and a juniper ex4200 i am perfectly happy with the the cisco side and want to only allow 1 vlan across the trunk, which i was going to configure on the 3560 side. Also, i cant remember if juniper recognizes a native. Redundant trunk groups techlibrary juniper networks. Hello, im trying to configure connection between srx and cisco switch.