When you configure tunneling, you assign a tunnel port to a vlan that. The pfsense book pfsense documentation netgate docs. For a complete description of vlan commands used in this chapter, refer to the cisco ios switching commands chapter in thecisco ios switching services. Information aboutqinq tunnels thischapterdescribeshowtoconfigureieee802. The way i have configured this is to set up a loopback interface on each side to emulate the different network, and set. Quick explanation on vlan and qinq on 450 even vlan remarking. Assigning a unique range of vlan ids to each customer would restrict customer configurations and could easily exceed the vlan limit 4096 of the ieee 802. The result will be that the two sites are logically trunked, meaning that they are able to send vlan s across to each other through the service providers dedicated qinq vlan. Figure 22 configuring vlan follow these steps to configure vlan. To keep customer traffic segregated, each customer requires a separate tunnel vlan, but that one tunnel vlan supports all of the customers vlans. Sets the ethertype for the qinq tunnel on the port.
This way the service provider can just configure one vlan for the customer and. The book opens by discussing layer 2 vpn applications utilizing both atom and l2tpv3 protocols and comparing layer 3 versus layer 2 providerprovisioned vpns. A lan consists of all devices in the same broadcast domain. Once again, as vlan 10 is untagged on the left switch, it will be treated as vlan 1 on the right switch because of the native vlan mismatch, and the client will ultimately obtain an address in the wrong subnet. Specifies an interface to configure, and enters interface configuration mode. Jul 02, 2008 still have a doubt though, on catalyst manuals they do a spanningtree bpdufilter enable when configuring l2protocoltunnel pointtopoint. We can use the command show system mtu to check this, and the global configuration command. I have a square with those 2 switches and 2 customer switches. Qinq configuration being provider and customer edge on same switch joepske, some time ago i configured simple qinq topology based on the 5800 as my irf and procurve vlans transparent transporting. If you recall from part 1 we have had to do a bit of a mcgyver and loop a cable in and out of our switch to bring up the tunnel. Customer switch site a and b connected to sp service provider edge switch, usually use trunk mode on the port that facing to. In this lab, you will configure trunkbased inter vlan routing and verify connectivity to hosts on different vlans as well as with a loopback on the router. The inner tag is the tag which is closest to the payload portion of the frame.
Use the interface range command in global configuration mode to simplify configuring trunking. Configuring qinq tunneling techlibrary juniper networks. In this method, the physical router interface is divided into multiple subinterfaces that provide logical pathways to all vlans connected. For example, if you configure a drop threshold of 900 pps and the vlan receives traffic at rate of. In addition, while the packets are transmitted to and from the svlan, you can specify that the 802. In this example, the provider is going to be using vlan34 as the qinq vlan. This is because the native vlan is left untagged, and when it hits the provider switchport in the dot1qtunnel mode, it doesnt double tag the packet as there is no original vlan tag to start with. The vlan ranges required by different customers in the same serviceprovider network might overlap, and traffic of customers through the infrastructure might be mixed.
I am hoping to insert a vlan id into packets that are already vlan tagged without vlan translation. Using qinq tunneling, providers can also segregate or bundle customer traffic into fewer vlans or different vlans by adding another layer of 802. Sw1 switchport switchport mode access switchport access vlan 200 this is referred to as customer tag vlan. If this access is not needed, you should not configure svis on vlans that include tunnel ports.
Dec 16, 20 we are back to playing with qinq tunnels. By using a different vlan tag for each customer we can separate the. The seosl3s150 license adds gre tunnel support to the s150 class of hardware. Continued use of a vlanid for broadcast containment. Jul 28, 2015 understanding and configuring vlans min read so i started off my it career as an intern for a rather large company in london. Still have a doubt though, on catalyst manuals they do a spanningtree bpdufilter enable when configuring l2protocoltunnel pointtopoint.
Qinq concept is explained based on the diagram below. Hello, i have to peer with a cloud services with the use of qinq 802. Aug 20, 20 from part one, we know that the purpose of a qinq tunnel is to extend a vlan across the wan or network. Allowing traffic over openvpn tunnels openvpn clients and internet access.
It enables service providers to use a single vlan to support different customers who have a single or multiple vlans need to connect across providers network. Add ports connecting the customer network to the customer network vlan. Jun 06, 2011 the qinq technology is called vlan dot1q tunnel, 802. I was doing a lot of misc stuff, mostly desktop but always pushed for as many networking bits i could, networking is great. Virtual lans vlans pfsense qinq configuration pfsense. As shown in figure, common internet access users using pcs and iptv users using iptv terminals connect to the carrier network through switch a and switch b and communicate with each other through the carrier network. Provider backbone bridging an overview sciencedirect topics. Termination of qinq tunnels in mx80 jnet community. Qinq allows multiple vlan tags in an ethernet frame. The backbone mac for a specific beb node can be locally assigned through configuration. The dhcp server will reply to the dhcp request for vlan 10 192. With the double layers of tags, the vlan quantity is increased to 802. Cisco nexus 6000 series nxos interfaces configuration guide. Cisco qinq more than one provider vlan svlan on dot1q.
Configuring qinq vlan tunnels on cisco switch port. You can configure qinq tunnels on pe1 and pe2 so that offices of the same enterprise enterprise 1 or enterprise. Switch vlan configuration pfsense qinq configuration requirements. But what if site 1 is connected to site 2 and they use different ip schemes such as 10. After configuring both the necs and hps vlan 128 to be a service vlan as outlined in the unit test sections endtoend communication was possible.
Layer 2 vpn architectures is a comprehensive guide to consolidating network infrastructures and extending vpn services. Thoroughly detailed information and continually updated instructions, from the core developers themselves, on how to best operate pfsense software. The cloud services gave us this sample configuration to use on our router. Am i missing something in the configuration, is this a bug or simply not possible. When using dvlantunnelling qinq on a 6224f switch it passes some layer 2 control frames cisco cdp for example but not stp frames. Qinq frames are convenient means of constructing layer 2 tunnels. It is a best practice to use a vlan other than vlan 1 as the native vlan.
Qinq allows multiple vlan tags to be inserted into a single frame. Configure selective qinq in huawei switch gpon solution. Spanning tree is disabled because the two routers are directly connected and the tunnel bridge port and directly connected vlan would cause spanning tree to block the tunnel port. Configuring qinq tunneling and vlan qinq tunneling and.
Quick explanation on vlan and qinq on 450 even vlan remarking before understanding virtual local area networks or vlans, one should have a general understanding of the definition of a lan. It worked well in that post, but now its time to open up the tunnel a bit more and allow more vlans through it. For the purposes of this lab, a native vlan serves as a common identifier on opposing ends of a trunk link. Today i will discuss how to configuring qinq vlan tunnels in cisco switch.
Qinq tunneling configuration scenario ip with ease. On the port between sw2 and sw3cisco, set the mtu to the max, this is to avoid packet drops exceeding the mtu due to qinq tagging. This license will be extended in the future to add additional tunneling options. I would like to preserve the original vlan id and place an outer vlan tag into the packet as well. Jun 11, 2011 qinq tunneling this is the method basically used by service providers to preserve vlan ids and to segregate traffic of different customers. Cisco nexus 7000 series nxos interfaces configuration.
Our switches dont have a spanningtree topology for vlan 12, they dont care what vlan the customer is usingthey only care about vlan 123. Example for configuring a qinq tunnel huawei technical support. Cisco nexus 7000 series nxos interfaces configuration guide. This example shows how to configure selective qinq mapping on the port so that traffic with a c vlan id of 1 to 5 enters the switch with an s vlan id of 100. The setup consists of two directly connected nodes. How to configure a l2gre tunnel that bridges a vlan. Qinq tunneling is useful when customers have overlapping vlan ids, because the customers 802. When you configure tunneling, you assign a tunnel port to a vlan that you dedicate to tunneling, which then becomes a tunnel vlan. Jun 23, 2008 one of metro ethernet solution to extend layer 2 ethernet connection between two customer sites is use 802. Configuring a specific interface mapping with vlan rewrite option you can configure qinq tunneling by mapping packets from a specified cvlan to a specified svlan. Qinq frames are convenient means of constructing layer 2 tunnels, or applying quality of service qos policies, etc.
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