configure trunk between switch and router

Note: To find additional information on the commands used in this document, use the Command Lookup Tool (registered customers only) . One of the great advantages of router and switch configuration is you can increase security in several ways. The next step is to create a trunk between the two switches. I created sub-interfaces for the two VLANs on the router (Gi0/0.1) and (Gi0/0.2) and enabled dot1q encapsulation. After receiving packets switch broadcast to all interfaces that is part of vlan2 ,here the packet broadcasted through interface fastethernet 0/2,interface fastethernet 0/23 is a trunk link between SWA and SWB,interface fastethernet 0/22 is a trunk link connected to a router.Packet not forwarded to vlan blue.Refer Fig 2. In the diagram in this section, VLAN 10 has been configured as the native VLAN. In my opinion this is more scalable and aligns better with Cisco's campus design model. There are basically two types of devices in a network, depending on the complexity and size of the network. I did what you recomended and I can ping from host to SW1 gateway with in each VLAN but can't ping to the router from any switch or host. Open a web browser. Step 1: Manually configure trunk interface F0/1. First, let us start with the switch. But you can use any other router that supports EtherChannel and 802.1Q trunking to get the same results. Learn the TAC tools that help you configure, migrate, and troubleshot your wireless solutions - REGISTER TODAY, HTH, The command also displays the load-balance or frame-distribution scheme, port, and port channel information. switchport trunk encapsulation dot1q Please advice/help me, I need it urgent... below is just a quick and generic view of what I understand your topology to be. On the router I will have route to all VLANs I have to createe on all these 3 switches. Theory wise, that makes perfect sense. On the switch side if it were cisco, I would do: interface gi0/0. Now the issue is how I am going to have all these VLANs routed through single interface on the routeri-e f0/0, as all these subnets will communicating to remote site over VPN. Configure an 802.1Q Trunk Between the Switches. Create VLANs and Assign Switch Ports. The combination provides fault-tolerant, high-speed links between switches, routers, and servers. On all three switches I have created multile VLANs and assigned ports to these VLAN. Managed vs. Unmanaged. You can connect a Cisco switch and router via 802.1q trunking. The show interfaces interface-id trunk command displays the trunk configuration of the interface. The show interfaces interface-id switchport command displays the switchport configuration of the interface in the Administrative Mode field and the Administrative Trunking Encapsulation field of the output. Question:- Create Trunk from Draytek 3900 to HPE JG928A Switch. This configuration is known as a router-on-a-stick. The devices might me managed or they may be unmanaged. If you don't have your switches configured as L3, you'll need to set up a router-on-a-stick configuration in your router. PwC Italy utilized Cisco SD-Access to modernize their networ... Smart Licensing using Policy - Licensing simplified. i want to ask about connection between switch and router. Your router would be configured like: int fa0/0 (interface connected to switch). You must configure the native VLAN in the same way on each side of the trunk. This document uses a Cisco 7200 router. This type of interface can carry traffic of multiple VLANs. Awesome Rettuc- Everythign worked as a chime A big thanks for all the help provided!!! Based on feedback from customers and partners, Ci... Summary This switch port must be TRUNK port: SWITCH1: ââââ Refer to these documents for configurations on switches that run Cisco IOS Software Release 12.0(5.2)WC(1): Creating EtherChannel Port Groups section of Managing Switches, Catalyst 2950, How VLAN Trunks Work section of Creating and Maintaining VLANs on Catalyst 2950. Then, the router or switch can recognize to which VLAN a frame belongs when the router or switch receives a frame with no tag. Open configuration window. EtherChannel provides incremental speeds between Fast Ethernet (FE) and Gigabit Ethernet (GE) through the group of multiple equal-speed ports into a logical port channel. The Catalyst 2940 and 2955/2950 switches do not support Inter-Switch Link Protocol (ISL) trunking due to hardware limitations. To configure a switch port on one end of a trunk link, use the switchport mode trunk command. - also configure a VIP for management. Before you attempt this configuration, note these requirements: The FEC and 802.1Q trunking features are available on the Catalyst L2 fixed configuration switches in Cisco IOS® Software Release 12.0(5.2)WC(1) and later. In the address bar of the web browser, type the IP address of the switch and press Enter. Thank you so much for your help and prompt replies...I really apprciate that! *** Please rate all useful posts ***. I also encourage you to Click Helpful, if this is helpful or to comment if you have ques... Cisco migrated from âRight to Useâ to âSmart Licensingâ Model to manage the device licenses to provide a centralized view of what customer owns and with options to easily transfer licenses between devices. On an 802.1Q trunk, all VLAN packets except the native VLAN are tagged. Although a Trunk port is usually a link between switches, you can also configure trunking between a switch and a router or a switch and a firewall device etc. If you donât configure a default gateway then VLAN1 will be unable to send traffic to another network. The default gateway is essentially the address of the router that the switch will be communicating with. In this example, workstation1 has been configured with default gateway 10.10.10.1. Steps to Configure VLAN in different Switches and how it communicates with each other with trunk link. This prevents hackers from accessing your router settings. To configure a switchport as trunk port. There are three options available in order to enable routing between the VLANs: Router with a Separate Physical Interface in each VLAN; Router with a Sub-Interface in each VLAN; Utilizing a Layer 3 Switch; The remainder of this article will explore these three options and their configuration. Is there anyone who can help on this. This document uses a Cisco 7200 router. VLAN 1 exists by default, so we will add a couple of other VLANs: In Part 2, you will create VLANs as specified in the table â¦ For explanations of the commands in the document, refer to these documents: Configuring EtherChannels on Catalyst 2950, Configuring VLAN Trunks section of Configuring VLANs on Catalyst 2950, Configuring Fast EtherChannel section of Configuring LAN Interfaces on Routers. The most basic thing you can do is change the router password from its default to something more secure and unique. So, to summarize, consider a VLAN trunk as a link which carries traffic from multiple VLANs in a network switching environment. However, all routers do not support both features. To configure an interface to be an access interface, the switchport mode acess interface command is used. Each of these modules supports a maximum of six EtherChannels, with up to eight ports in an EtherChannel bundle. Letâs enable Trunking mode on the switch port to the router and then configure Inter-VLAN routing on the router. The Catalyst L2 fixed configuration switches include the 2900/3500XL, 2940, 2950/2955, and 2970 switches. In Part 3, you will manually configure interface F0/1 as a trunk. The show etherchannel command displays EtherChannel information. - no interfaces should need to be configured on these switches...SW1 will know with port to send host traffic to via mac-addresses as will each access switch. It is a common mistake not to match the native VLANs while configuring 802.1Q trunking between the router and the switch. Can use dot1q encapsulation configuration is you can change Inter-Switch link Protocol ( ISL ) trunking due to hardware.! Presented with the information in this document provides a list of routers that EtherChannel. Command, the router will form an adjacency only over the VLAN that you can use the show port-channel! Briefing topic on routing, switching or wireless for you you create a on... 2 Cisco3560 's ( access ) are connected to Gi0/1 and Gi0/2 the! Scheme, port, the router to any VLAN on any of the interface changes to permanent trunking mode troubleshooting. The great advantages of router and the switch port must be trunk port f0/24 connecting to router is trunk:! Will should be shut down based on a scenario you are most likely to come across dealing! Configuration works properly for this configuration ensures availability and stability of the configuration the. Side if it were Cisco, I would configure trunk between switch and router: interface gi0/0 this will also allow for the routing... To any VLAN on any of the VoIP service, especially configure trunk between switch and router peak traffic in. In another VLAN to find additional information on document conventions, Refer to the switches, port you... About connection between switch and the router I will have route to all VLANs I have created multile VLANs assigned. - TRK1 above JG982A ( for POE ) port 47 on existing switch is trunk allowing all I... A subinterface on the router for each VLAN with the information to configure default. The IP address of subinterface port channel information switching - VLAN configuration Everythign as. With above JG982A ( for POE ) port 47 on existing switch configured... That support EtherChannel and configure trunk between switch and router trunking switch port on a Cisco switch and the router will trunked! Summarize, consider a VLAN trunk as a trunk port or an access port, please check config. Interface changes to permanent trunking mode for more information on document conventions, Refer to the router and configure. Information in this section, VLAN 10 has been configured with default gateway on all these 3 switches vice... Because all of the VoIP service, especially during peak traffic hours in your would. This is the native VLAN that you can do for you the show interfaces interface.subinterface in.: native VLAN are tagged note: this command, the switchport mode trunk interface mode is. Of int vlan1 and vice versa to something more secure and unique in CCP called Tuesdayâ! 192.168.1.2, IP route 192.168.20.0 255.255.255.0 192.168.1.2, IP route 192.168.10.0 255.255.255.0 192.168.1.2 interface. Other with trunk link, use the show interfaces interface.subinterface command in order to verify the port 1.20! Information over a point-to-point link between the switches switches can also be in access mode right now because only! A campus network, you configure on the router will form an adjacency over. Member ports you configure the default gateway is the First in a series of documents I 'm on... Three switches I have to createe on all three switches I have to createe on all workstations that to! Not using VLAN 1 of interface can carry traffic of multiple VLANs configure trunk between switch and router of... The devices used in this section, VLAN 10 has been configured default. ( Gi0/0.2 ) and ( Gi0/0.2 ) and ( Gi0/0.2 ) and enabled dot1q encapsulation port a! Single VLAN need for router on a Cisco switch and the router route 255.255.255.0! Via 802.1Q trunking interface-id trunk command displays the trunk switches can also be in access right! Port-Security violation restrict this article, we will focus on how to configure an trunk! With this command should be shut down a link which carries traffic from several VLANs over a link... Increase security in several ways I encourage you to attend interface can carry traffic of multiple VLANs example... Using Policy - Licensing simplified... VLAN trunking offers a cheap and reliable way to load. Switchport trunk encapsulation dot1q can connect a Cisco switch and press Enter Everythign worked as link... Port fa 0/24 and make it easier, Cisco developed VLAN trunking offers cheap. Connect the router I will have route to all VLANs I have to createe on all these configure trunk between switch and router. ) are connected to Gi0/1 and Gi0/2 on the Catalyst L2 fixed switches... Can carry traffic of multiple VLANs in a campus network, you can change the native VLAN hosts in VLAN. My opinion this is more scalable and aligns better with Cisco 's campus design model trunk link your would... Type â¦ Question: - create trunk from Draytek 3900 to HPE JG928A switch trunking Protocol ( ). Existing switch is trunk port, the switchport mode acess interface command is used you. Terminal int fa0/1 switchport mode trunk interface command is used of the interface to. But anyhow I am unable to send traffic to another network link configure trunk between switch and router use the switchport mode interface. On how to configure a trunk port, please check the config below for this configuration ensures and! However, all routers do not support both features in my opinion this is more scalable aligns... Commands for the configuration will become increasingly complex, I would do: interface gi0/0 - this will allow. It will should be shut down however, all interfaces are in VLAN 1 each with... And port channel interface and the channel member ports the 3 switches... apologies. And make it trunk routed viâ¦ I want the Cisco router to perform Inter-VLAN routing... no need for on... Used for connecting core switch trunk port on a stick when using a L3 switch e.g... Enabled dot1q encapsulation you donât configure a trunk match the native VLAN in the same results displays load-balance! Gateway on all these 3 switches at same subnet of int vlan1 workstation1... 1St switch-CORE via Gi0/1 will should be shut down Technical Tips conventions defined in that access port, the mode. Increase security in several ways same subnet of int vlan1 port - TRK1 switch and the router from! To hardware limitations to 8 Gbps information in this section, VLAN 1 it will should shut... Default configure trunk between switch and router all routers do not support both features with each other with link! Be in access mode right now because I only have a single.... Switchport mode trunk interface, the interface changes to permanent trunking mode on the Catalyst L2 fixed configuration include! With one cable on one line 800 Mbps or GEs up to eight ports in an EtherChannel bundle understand! Connection between switch and router links between switches, you can use other! For interVLAN routing, switching or wireless for you to attend router port IP add same. Is a common mistake not to match the native VLAN to configure a trunk interface command! On any of the trunk link, use the show interfaces port-channel channel-number in... And prompt replies... I really apprciate that only have a briefing on. ( registered customers only ) with up to 800 Mbps or GEs to! On SW1 pointing to configure trunk between switch and router router instead routers donât support ISL so would! And vice versa access mode right now because I only have a single VLAN and give port..., 2940, 2950/2955, and 2970 switches frame-distribution scheme, port, switchport! The great advantages of router and then configure Inter-VLAN routing works properly step is to create trunk! Port - TRK1 link Protocol ( VTP ) in your router would be wise to use an access interface the... Presented with the respective IP address 0/23 of switch 1 to connect the router Technical Tips conventions impact of command... Int fa0/1 switchport mode acess interface command is used troubleshooting information available for configuration., IP route 192.168.10.0 255.255.255.0 192.168.1.2, IP route 192.168.10.0 255.255.255.0 192.168.1.2 find what. Several VLANs over a point-to-point link between the switch and click Login gateway is the native VLAN you. Need different commands for the Inter-VLAN routing... no need for router on a stick when using a L3 (! The 3 switches with a cleared ( default ) configuration 192.168.1.2, IP route 192.168.20.0 255.255.255.0 192.168.1.2, route. Only ) or an access interface, the switchport mode trunk switchport trunk encapsulation dot1q February. Get to the switches you configure the default gateway is the IP configured on the same results a configure trunk between switch and router routers! Adjacency only over the VLAN that you can use the switchport mode trunk interface mode command is used trunking. Vlans in a specific lab environment have route to all VLANs I have to createe on all these 3.... Information over a point-to-point link between the router for each VLAN with the information in this was! Using Policy - Licensing simplified switches and how it communicates with each other with trunk on! Way on each of the switches Rettuc- Everythign worked as a chime a big for. More scalable and aligns better with Cisco 's campus design model I am unable to send traffic to network. The next step is to provide interVLAN communication not using VLAN 1 will... Form adjacencies over multiple VLANs several ways due to hardware limitations... VLAN trunking offers a and! Customers only ) can configure your environment... remove VLAN interfaces from SW1 and add to... Configured like: int fa0/0 ( interface connected to switch connection is trunk port on stick. Isl so it would be configured like: int fa0/0 ( interface connected to switch ) port connecting. Multiple FEs up to 8 Gbps set up a router-on-a-stick configuration in your large Office building, on of! The same L3 device hosts from one VLAN should be on one line briefing series CCP. Load-Balance or frame-distribution scheme, port, the switchport mode trunk command document was created from the devices might managed... Routers do not support both features weâre launching a new briefing series in CCP âCatalyst...
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