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Questions tagged [vpls]

This tag is for questions regarding VPLS, the Virtual Private LAN Service, which allows ethernet-based point-to-multipoint Layer 2 VPNs to be implemented as a MPLS service.

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VPLS without route target and VPLS ID

lately I have been checking out some old IOS-XE PEs in the environment that are peering with each other directly before route reflectors were introduced. they are using BGP autodiscovery and signaling....
daniel gor's user avatar
0 votes
1 answer
169 views

VPLS over GRE over IPSEC

I need to connect to L2 networks over the internet, which means I'll need some form of security as well. The first obvious idea is IPSec, but what I'm not sure whether I need GRE over IPSec or simply ...
Seathorn's user avatar
0 votes
0 answers
52 views

Technology to accepts transparently tagged/untagged frames on an unconfigured AC port

Forehead: I come from the Enterprise world and I'm now approching SP world; I apologize in advance if I don't use the right terminology. Hello, I'm trying to think of a design where on the Attachment ...
GooGoo's user avatar
  • 11
5 votes
1 answer
359 views

STP frames over VPLS/VPWS

Do VPLS and VPWS services transfer STP frames? How about other L2 control frames? Can two geographically dispersed sites have one STP region over any L2VPN?
A.A's user avatar
  • 551
2 votes
1 answer
527 views

Transporting an Ethernet Port in a LDP Based VPLS Instance on Juniper MX routers

We are currently transporting an Ethernet Port using LDP Based Layer 2 VPN service (P2P PW) in Juniper MX.This P2P LDP PW is up and currently working. Below is the configuration against this:- set ...
Nabeel's user avatar
  • 1,120
2 votes
1 answer
190 views

Brocade L2VPN Route Reflector

I am trying to create an MPLS VPLS network where the VPLS instances are auto-discovered via BGP L2VPN. The issue I'm currently facing is that the routes are not reflected and there seems to be no ...
metrotyranno's user avatar
0 votes
2 answers
297 views

Pros and cons of using VPLS instead of using MPLS alone

What are the pros and cons of using VPLS instead of MPLS alone? What are the typical cases where VPLS is used?
Rumesh Madhusanka's user avatar
1 vote
1 answer
819 views

PE route down in LDP based VPLS Connection in Juniper MX

I am observing 'PE route down message ' against LDP based VPLS connection on Juniper MX. The IGP protocol is IS-IS. LDP VPLS connectivity is point to point (having only two end points). When I check ...
Nabeel's user avatar
  • 1,120
1 vote
1 answer
201 views

VPLS how to signal CE facing interface failure

Hello, I have a BGP-based VPLS setup with one CE machine being multi-homed multi-homing works if i for example shut the active PE or i somehow disturb the connection between my PEs... that ok but ...
Radovan's user avatar
  • 73
2 votes
1 answer
132 views

H-VPLS application with different types of VPLS

so ive been digging around VPLS for a while and i have come across a term H-VPLS. My knowledge is: VPLS can be signalled using LDP (manual or autodiscovery) or BGP (autodiscovery). H-VPLS: ...
Radovan's user avatar
  • 73
3 votes
1 answer
3k views

VPLS split-horizon behaviour

I am trying a LDP based VPLS topology And I am just figuring out how split-horizon works in this scenario. So my uPE has a primary xconnect to PE1 and backup to PE2 (only one at a time is active, ...
Radovan's user avatar
  • 73
2 votes
2 answers
1k views

Junos[MX]: How to show VPLS instance associated with given subinterface

Suppose I have a subinterface with Vlan-vpls encapsulation, like this one: admin@router> show configuration interfaces ge-2/1/1 flexible-vlan-tagging; encapsulation flexible-ethernet-services; ...
Seweryn Niemiec's user avatar
1 vote
0 answers
739 views

mLACP / MC-LAG between Cisco / Juniper

I am working on a LDP signalled VPLS topology (picture) What I am trying to accomplish here is to establish a redundant connection to CE1. CE1 has both interfaces in a port-channel with an IP. My ...
Radovan's user avatar
  • 73
4 votes
1 answer
217 views

Extending a subnet across a WAN link vs routing

probably a noob question but any help is appreciated. Question: What are the disadvantages of spanning L2 subnets across a WAN as opposed to a routed connection? Background: I've got a client who's ...
Homeb9's user avatar
  • 43
2 votes
0 answers
442 views

add VLAN access ports to a VSI (HP)

I'm trying to understand how VLANs work in conjunction with VSI / VPLS. I'm using two HP A5800AF switches connected through MPLS. Specifically, I want to associate a port on each side with a specific ...
ws6079's user avatar
  • 121
1 vote
1 answer
647 views

SONET/T-Carrier differences - MPLS/VPLS bandwidth

Could someone explain to me simply what is the difference between SONET and T-Carrier? I know that the ISP generally uses SONET on their infrastructure (Ciscopress 2017, 1.2.1.2 section, http://www....
bdes31's user avatar
  • 1,085
2 votes
1 answer
2k views

Juniper MX - vlan-ccc double tagged to untagged

On an interface to a customer of ours we configured double tagging. This interface is encapsulated with vlan-ccc because it is used in a l2circuit neighbor configuration. My question is: how can this ...
Beeelze's user avatar
  • 275
1 vote
0 answers
325 views

Vlan translation and Swapping

Heey, all As an ISP provider, We are trying to connect Multiple customer sites via our Mpls core. our plan to give each customer site a different vlan ( c-vlan) and then translated to S-vlan to ...
Asem Moqbel's user avatar
2 votes
0 answers
361 views

Cannot Ping endpoints across a VPLS connected VLAN [closed]

Created a new VPLS Service first manually and then when it did not work reattempted with our Alcatel SAM 5620 to get a VLAN to pass end to end. Both configs look the same, neither the command line ...
netadminjd's user avatar
2 votes
1 answer
2k views

LDP based VPLS between Cisco IOS XE and Juniper MX

im struggeling in setting up LDP based VPLS in a Cisco/Juniper mixed vendor environment. The configuration is currently running between two Cisco Boxes, but i have to migrate on side to Juniper. ...
Andreas Schaefer's user avatar
1 vote
0 answers
288 views

OSPF question from ISP perspective

Was hoping for some advice regarding an OSPF solution for a customer. Basically the customer has about 4 sites. These would all be linked together physically. I have attached a basic network ...
iaskquestions's user avatar
1 vote
1 answer
73 views

VPLS connection

My Network is as follows. 11.11.11.1 (connected interface g0/1)--(CE IP= 10.10.10.1)R1 == VPLS_Cloud == R2 (CE ip=10.10.10.2) I can ping from router (ping 10.10.10.2 works) ping 10.10.10.2 source ...
Saad's user avatar
  • 13
6 votes
3 answers
33k views

Differences between MPLS and VPLS

Can someone explain to me what differences there are between MPLS and VPLS? Which one is the most efficient? Why? I’ve read that the only difference is layer of technology: 2 (VPLS) vs 3 (MPLS). Does ...
Julien's user avatar
  • 185
1 vote
1 answer
2k views

Vlan Extension vs VPLS + need understanding

I have tried to find the answer online and I was trying to make sure my understanding is correct. So if someone can point me to the correct path please do. My understanding of vlan extension are ...
BeachSamurai's user avatar
2 votes
0 answers
176 views

VPLS interface on router switched to other interface on same router

I have a router, R1, that is serving as a default gateway on a network segment. Let's say port eth0 has an ip of 10.0.0.1/24 and is connected to a switch, S1. Another port on the router, eth1, is ...
Mark Qvist's user avatar
1 vote
1 answer
330 views

How to configure vlan mapping with VPLS on Cisco 6500 routers?

I'm using VPLS to extend vlan x from site1 (Cisco C6500) to two remotes sites (Cisco C6500) site2 and site3 over MPLS. The issue I'm facing is that a vlan with the same number already exists in the ...
user20125's user avatar
2 votes
1 answer
409 views

Metro Ethernet no layer 3 connectivity

We're working with a metro ethernet provider to bring up a new multi-point connection between our sites. Currently we're just trying to get it working with two sites. As a simple test I've plugged in ...
mwood's user avatar
  • 395
5 votes
1 answer
764 views

LDP VPLS - Packet behavior within bridge-groups and bridge-domains

I have a pair of ASR9k's that I plan on migrating to Juniper MX960's. Below is a piece of the configuration: l2vpn bridge group VPLS_1 bridge-domain 101 interface TenGigE0/2/0/0.101 ! ...
Jordan Head's user avatar
  • 7,109
1 vote
2 answers
231 views

BGP VPLS - How the destination ip address is mapped?

From RFC and tutorials in the internet I understand that the MPLS cloud acts as a switch and switches traffic between end points in a VPLS. And that VPLS ID along with RD is used to reach the VPLs ...
Hemanth's user avatar
  • 1,124
6 votes
2 answers
4k views

Cisco IOS: How to view MAC addresses on an Ethernet pseudowire

With two Cisco ME3600 (or similar MPLS & VPLS capable devices) running recent code [15.3(3)S], is it possible to show the MAC addresses passing over a standard MPLS encapsulated xconnect? In the ...
Baldrick's user avatar
  • 5,300
6 votes
1 answer
1k views

Is it possible to stitch a L2VPN connection into a VPLS domain on Juniper MX

I'm trying to connect one end of a L2VPN tunnel to a VPLS instance on a Juniper MX router. The L2VPN should act like a local interface in the VPLS instance. Is this possible at all? I can't find any ...
Sebastian Wiesinger's user avatar
8 votes
3 answers
18k views

What is the difference between VPLS vs Layer 2 VPN?

Apologies about the very open ended question, but I am struggling to differentiate between VPLS & L2 VPN's. I'm aware they both run over MPLS, but I can't find any documentation or sites that ...
Oli's user avatar
  • 263
13 votes
2 answers
2k views

VPLS Multihoming on Junos - FEC confusion‏

I'm going over the VPLS multihoming options on Juniper's web site. I'm not concerned with LAG and MC-LAG for the moment. As far as I'm aware: FEC128 is when you are using manual discovery of ...
mellowd's user avatar
  • 3,834
6 votes
1 answer
702 views

Suitability of Catalyst 6500/6800 with SUP2T as a provider PE device

I'm looking for a device to use as PE in a provider network. It should have the following features: MPLS VPLS Q-in-Q BGP Reasonable buffers IGP (OSPF/ISIS) VLAN rewriting The ...
Daniel Dib's user avatar
  • 7,498
14 votes
3 answers
5k views

BGP signalled MPLS issues

I am having an issue getting a VPLS up using an ME3600x with 15.3(2) and BGP signalling. @yelfathi and @packettalk have pointed me down the correct route but not sure how to resolve it. I have 2 ...
NetDonkey's user avatar
  • 141
8 votes
4 answers
4k views

How to signal a VPLS multihoming change to a L2 CE device

We have the following setup: Two MX routers connect to the same L2 site. Loop protection / redundancy is done via VPLS multihoming. On the other end are two switches (EX4200 for example). When the ...
Sebastian Wiesinger's user avatar
9 votes
2 answers
2k views

Does Juniper set a control word on VPLS pseudowires

At the RIPE conference the was a talk about how MAC addresses starting with a 4or 6 may suffer from decreased performance because MPLS routers misinterpret the Ethernet packets as an IPv4/6 packet ...
Sebastian Wiesinger's user avatar