# MPLS **URL:** https://forum.networklessons.com/c/routing-switching/mpls/15.md [Latest](https://forum.networklessons.com/latest.md) · [Categories](https://forum.networklessons.com/categories.md) --- ## [About the MPLS category](https://forum.networklessons.com/t/about-the-mpls-category/21)
**Author:** [@ReneMolenaar](https://forum.networklessons.com/u/ReneMolenaar)\ **Replies:** 0\ **Last updated:** [December 13, 2016, 12:33pm UTC](https://forum.networklessons.com/t/about-the-mpls-category/21 "2016-12-13T12:33:22Z")
MPLS uses labels for forwarding instead of routing lookups. In this category, we can discuss MPLS, VPNs, labels and more. --- ## [MPLS L3 VPNs - AD of the protocol versus BGP Path Selection](https://forum.networklessons.com/t/mpls-l3-vpns-ad-of-the-protocol-versus-bgp-path-selection/58835)
**Author:** [@davidilles](https://forum.networklessons.com/u/davidilles)\ **Replies:** 2\ **Last updated:** [August 26, 2026, 2:28pm UTC](https://forum.networklessons.com/t/mpls-l3-vpns-ad-of-the-protocol-versus-bgp-path-selection/58835 "2026-08-26T14:28:24Z")
Hello, everyone. I have a fairly complicated question that I haven’t found an answer to. I have this topology here. The configuration part doesn’t matter, the customers are running EIGRP everywhere (even over the backd… --- ## [MPLS LDP IGP Synchronization](https://forum.networklessons.com/t/mpls-ldp-igp-synchronization/58830)
**Author:** [@davidilles](https://forum.networklessons.com/u/davidilles)\ **Replies:** 1\ **Last updated:** [August 10, 2026, 8:08am UTC](https://forum.networklessons.com/t/mpls-ldp-igp-synchronization/58830 "2026-08-10T08:08:30Z")
Hello, everyone. I didn’t find a lesson for this so I am creating a new topic if you don’t mind I’ll do my best to keep this brief. Cisco and some resources state this regarding IGP synchronization with LDP: IGPs do … --- ## [IOS-XR and ARM](https://forum.networklessons.com/t/ios-xr-and-arm/58828)
**Author:** [@davidilles](https://forum.networklessons.com/u/davidilles)\ **Replies:** 2\ **Last updated:** [July 30, 2026, 7:25am UTC](https://forum.networklessons.com/t/ios-xr-and-arm/58828 "2026-07-30T07:25:12Z")
Hello, everyone. I’ve ran into an interesting issue while studying MPLS on XR and I would like your input on it. IOS-XR documentation for LDP states the following when it comes to determining the LDP router ID: I … --- ## [EVPN MPLS not forwarding](https://forum.networklessons.com/t/evpn-mpls-not-forwarding/56228)
**Author:** [@arsanet](https://forum.networklessons.com/u/arsanet)\ **Replies:** 1\ **Last updated:** [March 27, 2025, 7:07am UTC](https://forum.networklessons.com/t/evpn-mpls-not-forwarding/56228 "2025-03-27T07:07:57Z")
Hey Everyone, I wanted to setup EVPN on MPLS, but I am facing a strange problem. Hopefully someone can assist me if I am hitting a limit or not. Setup: I have deployed two C8000V (VM) routers in VMware. Each router h… --- ## [Service Provider- Redundant links between PE-to PE routers and PE routers redundancy setups](https://forum.networklessons.com/t/service-provider-redundant-links-between-pe-to-pe-routers-and-pe-routers-redundancy-setups/52888)
**Author:** [@macs6319](https://forum.networklessons.com/u/macs6319)\ **Replies:** 3\ **Last updated:** [October 25, 2024, 6:22am UTC](https://forum.networklessons.com/t/service-provider-redundant-links-between-pe-to-pe-routers-and-pe-routers-redundancy-setups/52888 "2024-10-25T06:22:31Z")
Hi Lazarus, I have another query on the MPLS setups. Please make me to understand on these setups how it looks in real scenario. Can we interconnect the PE routers which are at the edges from one location to another l… --- ## [Service Provider Design-Seeking-suggestion](https://forum.networklessons.com/t/service-provider-design-seeking-suggestion/52828)
**Author:** [@macs6319](https://forum.networklessons.com/u/macs6319)\ **Replies:** 2\ **Last updated:** [October 18, 2024, 6:33am UTC](https://forum.networklessons.com/t/service-provider-design-seeking-suggestion/52828 "2024-10-18T06:33:41Z")
Dear Support Team, Could you please let me know if the design in service provider core architecture, Can we just have only PE routers without Provider (P) routers? Can the PE routers act as RR routers? Which routers (… --- ## [MPLS L3 VPN Label](https://forum.networklessons.com/t/mpls-l3-vpn-label/44263)
**Author:** [@shashakil](https://forum.networklessons.com/u/shashakil)\ **Replies:** 1\ **Last updated:** [March 5, 2024, 7:49am UTC](https://forum.networklessons.com/t/mpls-l3-vpn-label/44263 "2024-03-05T07:49:14Z")
Hi MPLS team, I understood MPLS L3 VPN concept along with your brief example. However, I have one doubt based on your example “MPLS Layer 3 VPN Configuration” in which MPLS VPN label has been advertised by PE1 and PE2.… --- ## [Segment Routing, EVPN-ELAN, EVPN-VPWS, VPLS](https://forum.networklessons.com/t/segment-routing-evpn-elan-evpn-vpws-vpls/40775)
**Author:** [@mzqam2009](https://forum.networklessons.com/u/mzqam2009)\ **Replies:** 1\ **Last updated:** [November 14, 2023, 12:19pm UTC](https://forum.networklessons.com/t/segment-routing-evpn-elan-evpn-vpws-vpls/40775 "2023-11-14T12:19:58Z")
Hi Rene and the entire team of NetworkLessons. You guys have done a fabulous job trust me. The explanation level of the protocols and topics that I learnt is very in depth and the understanding level is immaculate. Thank… --- ## [Route Targets and Route Distinguishers - MPLS L3 VPNs](https://forum.networklessons.com/t/route-targets-and-route-distinguishers-mpls-l3-vpns/39562)
**Author:** [@davidilles](https://forum.networklessons.com/u/davidilles)\ **Replies:** 1\ **Last updated:** [September 24, 2023, 6:17am UTC](https://forum.networklessons.com/t/route-targets-and-route-distinguishers-mpls-l3-vpns/39562 "2023-09-24T06:17:30Z")
Hello, everyone! I would like to apologize in advance for creating a completely new post regarding this but I believe that this is a major point of confusion when it comes to MPLS L3 VPNs not only for me but for many ot… --- ## [MPLS L2 VPN with Xconnect and Pseudowire](https://forum.networklessons.com/t/mpls-l2-vpn-with-xconnect-and-pseudowire/33147)
**Author:** [@eng.omarwalid](https://forum.networklessons.com/u/eng.omarwalid)\ **Replies:** 2\ **Last updated:** [December 21, 2022, 8:45am UTC](https://forum.networklessons.com/t/mpls-l2-vpn-with-xconnect-and-pseudowire/33147 "2022-12-21T08:45:19Z")
Hi, where can I find this lesson on this website related to MPLS L2 VPN with Xconnect and Pseudowire? thank you --- ## [MPLS Traffic Engineering](https://forum.networklessons.com/t/mpls-traffic-engineering/27900)
**Author:** [@saini.bhupesh](https://forum.networklessons.com/u/saini.bhupesh)\ **Replies:** 3\ **Last updated:** [October 31, 2022, 7:14am UTC](https://forum.networklessons.com/t/mpls-traffic-engineering/27900 "2022-10-31T07:14:40Z")
Hi Rene, Didn’t find any topics on MPLS TE Tunnel forwarding, MPLS TE Fast re-route VPLS Segment routing Please let me know if its available or any plans on these topics. Thanks, Bhupesh Saini --- ## [MPLS LDP label load balancing](https://forum.networklessons.com/t/mpls-ldp-label-load-balancing/7654)
**Author:** [@mvratheesh](https://forum.networklessons.com/u/mvratheesh)\ **Replies:** 3\ **Last updated:** [July 19, 2022, 6:24am UTC](https://forum.networklessons.com/t/mpls-ldp-label-load-balancing/7654 "2022-07-19T06:24:46Z")
Hello , I would like to clear my one of the doubt in MPLS load balancing . My PE router is having 2 path towards 5.5.5.5 ,one is labeled path and another one is IP path .My PE is receiving IP traffic from neighbour ro… --- ## [Vsi concept in mpls](https://forum.networklessons.com/t/vsi-concept-in-mpls/16970)
**Author:** [@usmanakramz](https://forum.networklessons.com/u/usmanakramz)\ **Replies:** 1\ **Last updated:** [February 1, 2022, 3:43pm UTC](https://forum.networklessons.com/t/vsi-concept-in-mpls/16970 "2022-02-01T15:43:00Z")
Hi , I need help in understanding vsi concept in mpls. Please assist. Thanks Ussie --- ## [Regarding "BYTES LABEL SWITCHED" in MPLS Forwarding table](https://forum.networklessons.com/t/regarding-bytes-label-switched-in-mpls-forwarding-table/15138)
**Author:** [@ashish7aditya](https://forum.networklessons.com/u/ashish7aditya)\ **Replies:** 2\ **Last updated:** [January 14, 2022, 10:42pm UTC](https://forum.networklessons.com/t/regarding-bytes-label-switched-in-mpls-forwarding-table/15138 "2022-01-14T22:42:57Z")
Hi, Just wanted to understand the significance of “Bytes Label switched” field present in “sh mpls forwarding-table” cmd’s o/p .. what it means, why value is always “0” and can it be non-zero as well, if Yes, when? Bes… --- ## [When and where to use "capability vrf-lite"](https://forum.networklessons.com/t/when-and-where-to-use-capability-vrf-lite/14877)
**Author:** [@jmjohnston36](https://forum.networklessons.com/u/jmjohnston36)\ **Replies:** 2\ **Last updated:** [July 15, 2021, 3:36pm UTC](https://forum.networklessons.com/t/when-and-where-to-use-capability-vrf-lite/14877 "2021-07-15T15:36:33Z")
Hello, I’m trying to get some clarity on when the “capability vrf-lite” command is necessary when using OSPF as the CE-PE routing protocol for site-to-site connectivity with MPLS L3VPN. Is this command is only necessary… --- ## [Handling default routes in MPLS L3 VPN](https://forum.networklessons.com/t/handling-default-routes-in-mpls-l3-vpn/14281)
**Author:** [@rui.valadas](https://forum.networklessons.com/u/rui.valadas)\ **Replies:** 6\ **Last updated:** [June 3, 2021, 1:54pm UTC](https://forum.networklessons.com/t/handling-default-routes-in-mpls-l3-vpn/14281 "2021-06-03T13:54:08Z")
Hi, I am trying this configuration where the Blue and Red routers are acting as hosts. I can make the Blues talk with the Blues and the Reds talk with the Reds. Now I want Red1 to talk with Blue1 but only via CiscoI… --- ## [Question about MPLS vpnv4 prefix default advertisement](https://forum.networklessons.com/t/question-about-mpls-vpnv4-prefix-default-advertisement/14150)
**Author:** [@kjlopezp](https://forum.networklessons.com/u/kjlopezp)\ **Replies:** 1\ **Last updated:** [April 20, 2021, 6:44am UTC](https://forum.networklessons.com/t/question-about-mpls-vpnv4-prefix-default-advertisement/14150 "2021-04-20T06:44:41Z")
Hi guys, I´ve a question about the default route advetisement under MPLS backbone. The client A (vrf\_a) only has static routing at both sites (X, Y) in my MPLS backbone, he needs to advetise the static route 0.0.0.0/0 f… --- ## [L3VPN - OSPF Between CE and PE](https://forum.networklessons.com/t/l3vpn-ospf-between-ce-and-pe/13796)
**Author:** [@clive.gwyther](https://forum.networklessons.com/u/clive.gwyther)\ **Replies:** 4\ **Last updated:** [March 11, 2021, 5:45pm UTC](https://forum.networklessons.com/t/l3vpn-ospf-between-ce-and-pe/13796 "2021-03-11T17:45:42Z")
Someone can hopefully help as I know this is predominantly Cisco. I have a Juniper quetion (also valid for Cisco I expect). I have two customer using the same topology as below: CustA: CE → PE → P → P → PE → CE: CustA:… --- ## [Loopback subnetting in context of IGP/MPLS](https://forum.networklessons.com/t/loopback-subnetting-in-context-of-igp-mpls/13569)
**Author:** [@arthur.mkoyan](https://forum.networklessons.com/u/arthur.mkoyan)\ **Replies:** 1\ **Last updated:** [February 11, 2021, 5:29am UTC](https://forum.networklessons.com/t/loopback-subnetting-in-context-of-igp-mpls/13569 "2021-02-11T05:29:04Z")
Dear, Rene There is a practice to assign /32 routes from a routing pool of /24 to each device in the MP-BGP domain. Why do not use /24 besides wasting address space argumentation? Does someone have any clue why it has b… --- ## [How MPLS ping and Traceroute works](https://forum.networklessons.com/t/how-mpls-ping-and-traceroute-works/11719)
**Author:** [@talk2me.ravi](https://forum.networklessons.com/u/talk2me.ravi)\ **Replies:** 0\ **Last updated:** [July 7, 2020, 1:31pm UTC](https://forum.networklessons.com/t/how-mpls-ping-and-traceroute-works/11719 "2020-07-07T13:31:56Z")
Rene, please can you post us how MPLS ping and Traceroute works ?? Thanks Ravi --- ## [RSVP vs LDP, MBB, FRR](https://forum.networklessons.com/t/rsvp-vs-ldp-mbb-frr/3780)
**Author:** [@vamsi9networks](https://forum.networklessons.com/u/vamsi9networks)\ **Replies:** 4\ **Last updated:** [April 5, 2020, 9:53am UTC](https://forum.networklessons.com/t/rsvp-vs-ldp-mbb-frr/3780 "2020-04-05T09:53:52Z")
So far Good coverage noticed, I couldn’t find any where regarding the RSVP (Correct me if I am wrong) Would like to know about RSVP and compare RSVP vs LDP, where exactly will use RSVP? with a small topology projection… --- ## [Link Protection, Node Protection, Traffic Engineering FRR RSVP](https://forum.networklessons.com/t/link-protection-node-protection-traffic-engineering-frr-rsvp/9211)
**Author:** [@pravinmanisha08](https://forum.networklessons.com/u/pravinmanisha08)\ **Replies:** 2\ **Last updated:** [April 5, 2020, 9:47am UTC](https://forum.networklessons.com/t/link-protection-node-protection-traffic-engineering-frr-rsvp/9211 "2020-04-05T09:47:25Z")
Hi Rene, I joined because I felt there would be content on Link Protection, Node Protection, Traffic Engineering FRR RSVP but I do not see anything related to it in MPLS section. Could you let me know when you are plan… --- ## [Information on MPLS Layer VPN](https://forum.networklessons.com/t/information-on-mpls-layer-vpn/9841)
**Author:** [@muwowovwala](https://forum.networklessons.com/u/muwowovwala)\ **Replies:** 2\ **Last updated:** [February 14, 2020, 2:14pm UTC](https://forum.networklessons.com/t/information-on-mpls-layer-vpn/9841 "2020-02-14T14:14:14Z")
Hello, Would you know where i could find more data on MPLS Layer 2 VPNs? --- ## [AToM & VXLAN](https://forum.networklessons.com/t/atom-vxlan/3565)
**Author:** [@telecosistem](https://forum.networklessons.com/u/telecosistem)\ **Replies:** 2\ **Last updated:** [February 6, 2020, 12:24pm UTC](https://forum.networklessons.com/t/atom-vxlan/3565 "2020-02-06T12:24:59Z")
Hi, I am preparing the CCIE but I like to know how apply the most of technologies in the real world as well. In the case o AToM I think that is not useful because we have VXLAN that let us Layer2 transport as well and f… --- ## [MPLS VPN Labels](https://forum.networklessons.com/t/mpls-vpn-labels/9186)
**Author:** [@nitayp1](https://forum.networklessons.com/u/nitayp1)\ **Replies:** 0\ **Last updated:** [December 15, 2019, 7:30pm UTC](https://forum.networklessons.com/t/mpls-vpn-labels/9186 "2019-12-15T19:30:39Z")
Hello everybody, I made a MPLS VPN lab and I noticed something that after thinking about it - it makes no sense: each PE router advertise his VPN label for each of his networks, even though if they’re sitting behind th… --- ## [Nexus 3064 mpls](https://forum.networklessons.com/t/nexus-3064-mpls/9141)
**Author:** [@aws1000su](https://forum.networklessons.com/u/aws1000su)\ **Replies:** 3\ **Last updated:** [December 12, 2019, 6:19am UTC](https://forum.networklessons.com/t/nexus-3064-mpls/9141 "2019-12-12T06:19:58Z")
Hi there actually i need help with configuring Static MPLS in Cisco Nexus Switches 3064 , i have tried following cisco Template but no luck , appreciate help in this issue --- ## [Managing core/backbone network](https://forum.networklessons.com/t/managing-core-backbone-network/8773)
**Author:** [@yann.shukor](https://forum.networklessons.com/u/yann.shukor)\ **Replies:** 0\ **Last updated:** [November 6, 2019, 6:41am UTC](https://forum.networklessons.com/t/managing-core-backbone-network/8773 "2019-11-06T06:41:54Z")
Hi I currently attempting to design a network core in GNS3 for one of my clients : https://gyazo.com/f42db69543cdf21cdfa9857beb58bbfe The client receives customer connections forwarded to him by his telco partners on t… --- ## [Need Documents for MPLS -TP and MPLS-TE](https://forum.networklessons.com/t/need-documents-for-mpls-tp-and-mpls-te/8428)
**Author:** [@sen2diwakar](https://forum.networklessons.com/u/sen2diwakar)\ **Replies:** 1\ **Last updated:** [October 7, 2019, 9:50am UTC](https://forum.networklessons.com/t/need-documents-for-mpls-tp-and-mpls-te/8428 "2019-10-07T09:50:01Z")
Hi Network Lessons, I needs documents or Training Material related to MPLS-TE and MPLS-TP . Please let me know if network lessons team can provide help on the same --- ## [LDP MPLS AToM](https://forum.networklessons.com/t/ldp-mpls-atom/7458)
**Author:** [@karthik.vov](https://forum.networklessons.com/u/karthik.vov)\ **Replies:** 0\ **Last updated:** [June 18, 2019, 12:34am UTC](https://forum.networklessons.com/t/ldp-mpls-atom/7458 "2019-06-18T00:34:28Z")
Hi, I’m wondering what is the exact benefit of using targeted LDP session, especially in the case of AToM. Why we need targeted LDP session between PE routers, I think even if we dont have targeted LDP session we can pa… [Next page](https://forum.networklessons.com/c/routing-switching/mpls/15.md?page=1)