Qinq allows multiple vlan tags to be inserted into a single frame. Configuring qinq vlan tunnels on cisco switch port. Hello, i have to peer with a cloud services with the use of qinq 802. 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.
The dhcp server will reply to the dhcp request for vlan 10 192. Jun 23, 2008 one of metro ethernet solution to extend layer 2 ethernet connection between two customer sites is use 802. It is a best practice to use a vlan other than vlan 1 as the native vlan. With the double layers of tags, the vlan quantity is increased to 802. Termination of qinq tunnels in mx80 jnet community. Vlan tagged traffic is passed from a network namespace, through a ovs bridge, and finally. Qinq allows multiple vlan tags in an ethernet frame.
The backbone mac for a specific beb node can be locally assigned through configuration. 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. It worked well in that post, but now its time to open up the tunnel a bit more and allow more vlans through it. Use the interface range command in global configuration mode to simplify configuring trunking. It doesnt matter if stp is enabled or disabled with stp flooding on the 6200. 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. When using dvlantunnelling qinq on a 6224f switch it passes some layer 2 control frames cisco cdp for example but not stp frames. We can use the command show system mtu to check this, and the global configuration command. But what if site 1 is connected to site 2 and they use different ip schemes such as 10.
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. To keep customer traffic segregated, each customer requires a separate tunnel vlan, but that one tunnel vlan supports all of the customers vlans. You can configure qinq tunnels on pe1 and pe2 so that offices of the same enterprise enterprise 1 or enterprise. This way the service provider can just configure one vlan for the customer and. At first login your switch then apply bellow command. As a result, the switch tunnels all layer 2 pdus regardless of the speed at which they are received. 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. 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.
Layer 2 vpn architectures is a comprehensive guide to consolidating network infrastructures and extending vpn services. I am hoping to insert a vlan id into packets that are already vlan tagged without vlan translation. Thoroughly detailed information and continually updated instructions, from the core developers themselves, on how to best operate pfsense software. Example configuring an ex series switch with cisco qinq. The vlan ranges required by different customers in the same serviceprovider network might overlap, and traffic of customers through the infrastructure might be mixed. Our switches dont have a spanningtree topology for vlan 12, they dont care what vlan the customer is usingthey only care about vlan 123. Figure 22 configuring vlan follow these steps to configure vlan.
Customer switch site a and b connected to sp service provider edge switch, usually use trunk mode on the port that facing to. Dec 16, 20 we are back to playing with qinq tunnels. Information aboutqinq tunnels thischapterdescribeshowtoconfigureieee802. Cisco nexus 7000 series nxos interfaces configuration. 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. Qinq frames are convenient means of constructing layer 2 tunnels, or applying quality of service qos policies, etc. Cisco nexus 6000 series nxos interfaces configuration guide. Add ports connecting the customer network to the customer network vlan. Am i missing something in the configuration, is this a bug or simply not possible. Cisco nexus 7000 series nxos interfaces configuration guide. How to configure a l2gre tunnel that bridges a vlan.
Sets the ethertype for the qinq tunnel on the port. 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. 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. This license will be extended in the future to add additional tunneling options. Qinq configuration being provider and customer edg. Configure the edge switch so that all packets going out an 802. In this example, the provider is going to be using vlan34 as the qinq vlan. The book opens by discussing layer 2 vpn applications utilizing both atom and l2tpv3 protocols and comparing layer 3 versus layer 2 providerprovisioned vpns. Example for configuring a qinq tunnel huawei technical support. For the purposes of this lab, a native vlan serves as a common identifier on opposing ends of a trunk link. When you configure tunneling, you assign a tunnel port to a vlan that. Quick explanation on vlan and qinq on 450 even vlan remarking.
Cisco qinq more than one provider vlan svlan on dot1q. 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. Configure selective qinq in huawei switch gpon solution. 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. I have a square with those 2 switches and 2 customer switches. Qinq tunneling is useful when customers have overlapping vlan ids, because the customers 802. Jul 02, 2008 still have a doubt though, on catalyst manuals they do a spanningtree bpdufilter enable when configuring l2protocoltunnel pointtopoint. 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.
Qinq concept is explained based on the diagram below. Qinq frames are convenient means of constructing layer 2 tunnels. If this access is not needed, you should not configure svis on vlans that include tunnel ports. Virtual lans vlans pfsense qinq configuration pfsense. 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. We have a router catalyst 4500x connected to our service provider. The way i have configured this is to set up a loopback interface on each side to emulate the different network, and set. Using qinq tunneling, providers can also segregate or bundle customer traffic into fewer vlans or different vlans by adding another layer of 802. Cisco nexus 6000 series nxos interfaces configuration guide, release 7. Configuring layer 2 protocol tunneling technical documentation. 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. For a complete description of vlan commands used in this chapter, refer to the cisco ios switching commands chapter in thecisco ios switching services. 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. The inner tag is the tag which is closest to the payload portion of the frame.
Provider backbone bridging an overview sciencedirect topics. The setup consists of two directly connected nodes. Continued use of a vlanid for broadcast containment. Still have a doubt though, on catalyst manuals they do a spanningtree bpdufilter enable when configuring l2protocoltunnel pointtopoint. When you configure tunneling, you assign a tunnel port to a vlan that you dedicate to tunneling, which then becomes a tunnel vlan. The pfsense book pfsense documentation netgate docs. A lan consists of all devices in the same broadcast domain. By using a different vlan tag for each customer we can separate the. Configuring qinq tunneling and vlan qinq tunneling and.
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. 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. 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. Specifies an interface to configure, and enters interface configuration mode. I would like to preserve the original vlan id and place an outer vlan tag into the packet as well. Qinq tunneling configuration scenario ip with ease. The seosl3s150 license adds gre tunnel support to the s150 class of hardware.
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